BAND / Bandwidth Inc. - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

Bandwidth Inc.
US ˙ NasdaqGS ˙ US05988J1034

Statistik Asas
LEI 549300QC70JB7MUGXM66
CIK 1514416
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Bandwidth Inc.
SEC Filings (Chronological Order)
Halaman ini menyediakan senarai kronologi lengkap bagi Pemfailan SEC, tidak termasuk pemfailan pemilikan yang kami sediakan di tempat lain.
July 29, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact

July 29, 2025 EX-99.1

Bandwidth Announces Second Quarter 2025 Financial Results Accelerating revenue growth fueled by core voice platform Enterprise adoption of AI voice integrations continues to build momentum

Bandwidth Announces Second Quarter 2025 Financial Results Accelerating revenue growth fueled by core voice platform Enterprise adoption of AI voice integrations continues to build momentum July 29, 2025 Conference Call Bandwidth will host a conference call to discuss financial results for the second quarter ended June 30, 2025 on July 29, 2025.

July 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 29, 2025 BANDWIDTH INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 29, 2025 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number

July 29, 2025 EX-10.1

BANDWIDTH INC. Third Amended and Restated 2017 Incentive Award Plan GLOBAL RESTRICTED STOCK UNIT GRANT NOTICE

Exhibit 10.1 BANDWIDTH INC. Third Amended and Restated 2017 Incentive Award Plan GLOBAL RESTRICTED STOCK UNIT GRANT NOTICE Capitalized terms not specifically defined in this Global Restricted Stock Unit Grant Notice (the “Grant Notice”) have the meanings given to them in the Third Amended and Restated 2017 Incentive Award Plan (as amended from time to time, the “Plan”) of Bandwidth Inc. (the “Comp

June 18, 2025 EX-FILING FEES

CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Bandwidth Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Bandwidth Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rate Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A common stock, $0.001 par val

June 18, 2025 EX-4.1

BANDWIDTH INC. THIRD AMENDED AND RESTATED 2017 INCENTIVE AWARD PLAN (As amended and restated effective March 31, 2025)

Exhibit 4.1 BANDWIDTH INC. THIRD AMENDED AND RESTATED 2017 INCENTIVE AWARD PLAN (As amended and restated effective March 31, 2025) ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities. Capitalized t

June 18, 2025 S-8

As filed with the Securities and Exchange Commission on June 18, 2025

As filed with the Securities and Exchange Commission on June 18, 2025 Registration No.

May 30, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 29, 2025 BANDWIDTH INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 29, 2025 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 7, 2025 BANDWIDTH INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 7, 2025 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 7, 2025 EX-99.1

Bandwidth Announces First Quarter 2025 Financial Results First quarter revenue of $174 million exceeded guidance Raises full year revenue and profitability outlook

Bandwidth Announces First Quarter 2025 Financial Results First quarter revenue of $174 million exceeded guidance Raises full year revenue and profitability outlook May 7, 2025 Conference Call Bandwidth will host a conference call to discuss financial results for the first quarter ended March 31, 2025 on May 7, 2025.

May 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exac

April 28, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of

April 15, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statemen

April 15, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of

February 20, 2025 EX-19.1

Bandwidth Inc. Insider Trading Compliance Policy

Exhibit 19.1 Bandwidth Inc. Insider Trading Compliance Policy Federal and state laws prohibit trading in the Securities of a company while in possession of material nonpublic information and in breach of a duty of trust or confidence. These laws also prohibit anyone who is aware of material nonpublic information from providing this information to others who may trade. Violating such laws can under

February 20, 2025 EX-4.1

Description of Capital Stock

Exhibit 4.1 Description of Capital Stock The following summary is a description of the material terms of Bandwidth Inc.’s (“our”) capital stock. This summary is not meant to be complete and is qualified in its entirety by reference to the applicable provisions of the Delaware General Corporation Law, our second amended and restated certificate of incorporation and our third amended and restated by

February 20, 2025 EX-10.42

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT

Exhibit 10.42 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT THIS FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (the “Amendment”) is made and entered into as of February 11, 2025, by and between Bandwidth Inc., a Delaware corporation, having offices at 2230 Bandmate Way, Raleigh, North Carolina 27607 USA (“Bandwidth”), and Devesh Agarwal (“Executive”). WHEREAS, Bandwidth and Executive previously entered into a

February 20, 2025 EX-FILING FEES

CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Bandwidth Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Bandwidth Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rate Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A common stock, $0.001 par val

February 20, 2025 EX-99.1

Bandwidth Announces Fourth Quarter and Full Year 2024 Financial Results Reported quarterly and full year record revenue and record profitability Achieved net operating cash flow of $84 million and record free cash flow in 2024

Bandwidth Announces Fourth Quarter and Full Year 2024 Financial Results Reported quarterly and full year record revenue and record profitability Achieved net operating cash flow of $84 million and record free cash flow in 2024 February 20, 2025 Conference Call Bandwidth will host a conference call to discuss financial results for the fourth quarter and full year ended December 31, 2024 on February 20, 2025.

February 20, 2025 S-8

As filed with the Securities and Exchange Commission on February 20, 2025

As filed with the Securities and Exchange Commission on February 20, 2025 Registration No.

February 20, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact nam

February 20, 2025 EX-21.1

List of Subsidiaries of Bandwidth Inc.

EXHIBIT 21.1 List of Subsidiaries of Bandwidth Inc. •Bandwidth.com CLEC, LLC (Delaware, United States) •UK Bandwidth Limited (England and Wales) •DE Bandwidth GmbH (Germany) •Bandwidth Iberia S.L (Spain) •Bandwidth Communications Canada, Inc. (Canada) •Voice Bidco Limited (England and Wales) •Voxbone S.A. (Belgium) •Voxbone El Salvador Sociedad Anonima De Capital Variable (El Salvador) •Voxbone Pa

February 20, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 20, 2025 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

January 2, 2025 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 1, 2025 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numb

January 2, 2025 EX-99.1

Bandwidth Announces Devesh Agarwal as Chief Operating Officer To Lead Growth and Innovation Proven technology executive with significant sales, go-to-market and P&L leadership experience at large organizations

Exhibit 99.1 Bandwidth Announces Devesh Agarwal as Chief Operating Officer To Lead Growth and Innovation Proven technology executive with significant sales, go-to-market and P&L leadership experience at large organizations RALEIGH, N.C. – Jan. 2, 2025 – Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communications company, today announced Devesh Agarwal as Chief Operating Officer

November 7, 2024 CORRESP

www.bandwidth.com

November 7, 2024 By Electronic Submission Office of Technology U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, DC 20549 Attn: Dave Edgar Kathleen Collins Re: Bandwidth Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 Form 8-K furnished on August 1, 2024 File No. 001-38285 To the addressees set forth above: This letter is submitted by B

October 31, 2024 EX-99.1

Bandwidth Announces Third Quarter 2024 Financial Results Exceeded revenue and profitability guidance ranges Raising full year 2024 guidance for revenue and profitability

Bandwidth Announces Third Quarter 2024 Financial Results Exceeded revenue and profitability guidance ranges Raising full year 2024 guidance for revenue and profitability October 31, 2024 Earnings webcast Bandwidth will host a webcast to discuss financial results for the third quarter ended September 30, 2024 on October 31, 2024.

October 31, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (

October 31, 2024 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 28, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

October 31, 2024 EX-10.1

SECOND AMENDMENT TO CREDIT AGREEMENT

EXHIBIT 10.1 SECOND AMENDMENT TO CREDIT AGREEMENT THIS SECOND AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of October 28, 2024 (the “Second Amendment Effective Date”), is entered into by and among Bandwidth Inc., a Delaware corporation (the “Borrower”), the Guarantors party hereto, the Lenders party hereto, and Bank of America, N.A., as Administrative Agent, Swingline Lender and L/C

August 1, 2024 EX-10.2

EMPLOYMENT AGREEMENT

Exhibit 10.2 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this “Agreement”) is made and entered into as of July 1, 2022, by and between Bandwidth Inc. (“Bandwidth”), a Delaware corporation with its principal place of business at 900 Main Campus Drive, Suite 100, Raleigh, North Carolina 27606, and Devesh Agarwal (“Executive”). BACKGROUND A. Bandwidth seeks to employ Executive as Bandwidth’s Chie

August 1, 2024 EX-99.1

Bandwidth Announces Second Quarter 2024 Financial Results Revenue of $174 million, up 19% year-over-year Accelerating profitability, exceeding guidance Expanding cash flow generation

Bandwidth Announces Second Quarter 2024 Financial Results Revenue of $174 million, up 19% year-over-year Accelerating profitability, exceeding guidance Expanding cash flow generation August 1, 2024 Conference Call Bandwidth will host a conference call to discuss financial results for the second quarter ended June 30, 2024 on August 1, 2024.

August 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact

August 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

August 1, 2024 EX-10.1

July 1, 2024

Exhibit 10.1 July 1, 2024 Anthony F. Bartolo 5 Gray Bluff Place Durham, NC 27705 Dear Anthony: This letter, upon your signature, will be the agreement (the “Agreement”) between you and Bandwidth Inc. (“Bandwidth” or the “Company”), on the terms of your separation from service at Bandwidth: 1.Your Last Date of Employment and Related Matters. Your last day of employment with the Company is July 1, 2

July 5, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 1, 2024 BANDWIDTH INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 1, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 28, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 23, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 7, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 7, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 7, 2024 EX-10.1

FIRST AMENDMENT TO CREDIT AGREEMENT

EXHIBIT 10.1 FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of May 1, 2024 (the “First Amendment Effective Date”), is entered into by and among Bandwidth Inc., a Delaware corporation (the “Borrower”), the Guarantors party hereto, the Lenders party hereto, and Bank of America, N.A., as Administrative Agent, Swingline Lender and L/C Issuer.

May 7, 2024 EX-99.1

Bandwidth Announces First Quarter 2024 Financial Results Exceeded revenue and profitability guidance ranges Raising full year 2024 guidance for revenue and profitability Upsized revolving credit facility to $100 million with 5 year term Repurchased $

Bandwidth Announces First Quarter 2024 Financial Results Exceeded revenue and profitability guidance ranges Raising full year 2024 guidance for revenue and profitability Upsized revolving credit facility to $100 million with 5 year term Repurchased $140 million of 2026 convertible notes at a discount May 7, 2024 Conference Call Bandwidth will host a conference call to discuss financial results for the first quarter ended March 31, 2024 on May 7, 2024.

May 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exac

April 9, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Conf

April 9, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.  ) Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Conf

February 29, 2024 EX-99.1

Investor Presentation FEBRUARY 2024 Legal Disclaimer This presentation contains forward-looking statements. All statements contained in this presentation other than statements of historical facts, including, without limitation, future financial and b

Investor Presentation FEBRUARY 2024 Legal Disclaimer This presentation contains forward-looking statements.

February 29, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 29, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 28, 2024 EX-97.1

BANDWIDTH INC. POLICY FOR RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION

Exhibit 97.1 BANDWIDTH INC. POLICY FOR RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Bandwidth Inc. (the “Company”) has adopted this Policy for Recovery of Erroneously Awarded Compensation (the “Policy”), effective as of October 2, 2023 (the “Effective Date”). Capitalized terms used in this Policy but not otherwise defined herein are defined in Section 11. 1.Persons Subject to Policy This Policy sh

February 28, 2024 EX-4.3

Description of Capital Stock

Exhibit 4.3 Description of Capital Stock The following summary is a description of the material terms of Bandwidth Inc.’s (“our”) capital stock. This summary is not meant to be complete and is qualified in its entirety by reference to the applicable provisions of the Delaware General Corporation Law, our second amended and restated certificate of incorporation and our third amended and restated by

February 28, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 28, 2024 BANDWIDTH INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 28, 2024 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 28, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact nam

February 28, 2024 EX-21.1

List of Subsidiaries of Bandwidth Inc.

EXHIBIT 21.1 List of Subsidiaries of Bandwidth Inc. •Bandwidth.com CLEC, LLC (Delaware, United States) •Ohana Child Development, LLC (Delaware, United States) •UK Bandwidth Limited (England and Wales) •DE Bandwidth GmbH (Germany) •Bandwidth Iberia S.L (Spain) •Bandwidth Communications Canada, Inc. (Canada) •Voice Bidco Limited (England and Wales) •Voxbone S.A. (Belgium) •Voxbone US LLC (Delaware,

February 28, 2024 EX-99

Bandwidth Announces Fourth Quarter and Full Year 2023 Financial Results, Exceeding Revenue and Profitability Guidance Achieved 39% profitability growth, net operating cash flow of $39 million and record Free Cash Flow in 2023 Expects 16% revenue grow

Bandwidth Announces Fourth Quarter and Full Year 2023 Financial Results, Exceeding Revenue and Profitability Guidance Achieved 39% profitability growth, net operating cash flow of $39 million and record Free Cash Flow in 2023 Expects 16% revenue growth and 50% profitability growth in 2024 February 28, 2024 Conference Call Bandwidth will host a conference call to discuss financial results for the fourth quarter and full year ended December 31, 2023 on February 28, 2024.

February 28, 2024 EX-10.42

SECOND AMENDMENT TO EMPLOYMENT AGREEMENT

Exhibit 10.42 SECOND AMENDMENT TO EMPLOYMENT AGREEMENT THIS SECOND AMENDMENT TO EMPLOYMENT AGREEMENT (this “Amendment”), dated as of February 26, 2024, is entered into by and between Bandwidth Inc. (the “Company”) and David Morken (the “Executive”). Capitalized terms used but not otherwise defined herein shall have the respective meanings ascribed to them in the Employment Agreement (as defined be

February 13, 2024 SC 13G/A

BAND / Bandwidth Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 5)* Name of issuer: Bandwidth Inc. Class A Title of Class of Securities: Common Stock CUSIP Number: 05988J103 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

November 2, 2023 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

November 2, 2023 EX-3.1

THIRD AMENDED AND RESTATED BYLAWS BANDWIDTH INC. (a Delaware corporation) as of November 2, 2023

THIRD AMENDED AND RESTATED BYLAWS OF BANDWIDTH INC. (a Delaware corporation) as of November 2, 2023 TABLE OF CONTENTS ARTICLE I CORPORATE OFFICE 1 1.1 Registered Office 1 1.2 Other Offices 1 ARTICLE II MEETINGS OF STOCKHOLDERS 1 2.1 Place of Meetings 1 2.2 Annual Meeting 1 2.3 Special Meeting 1 2.4 Notice of Business to be Brought before a Meeting. 1 2.5 Notice of Nominations for Election to the B

November 2, 2023 EX-99.1

Bandwidth Announces Third Quarter 2023 Financial Results Revenue and profitability exceeded guidance On track to achieve 30% annual growth in profitability Achieved record Free Cash Flow

Bandwidth Announces Third Quarter 2023 Financial Results Revenue and profitability exceeded guidance On track to achieve 30% annual growth in profitability Achieved record Free Cash Flow November 2, 2023 Conference Call Bandwidth will host a conference call to discuss financial results for the third quarter ended September 30, 2023 on November 2, 2023.

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (

August 3, 2023 S-8

As filed with the Securities and Exchange Commission on August 3, 2023

As filed with the Securities and Exchange Commission on August 3, 2023 Registration No.

August 3, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Bandwidth Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rate Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Equity Class A common stock, $0.001 par val

August 3, 2023 EX-10.2

CREDIT AGREEMENT Dated as of August 1, 2023 BANDWIDTH INC., as the Borrower, CERTAIN SUBSIDIARIES OF THE BORROWER PARTY HERETO, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swingline Lender and L/C Issuer, THE LENDERS PARTY HERE

CREDIT AGREEMENT Dated as of August 1, 2023 among BANDWIDTH INC., as the Borrower, CERTAIN SUBSIDIARIES OF THE BORROWER PARTY HERETO, as the Guarantors, BANK OF AMERICA, N.A., as Administrative Agent, Swingline Lender and L/C Issuer, and THE LENDERS PARTY HERETO BOFA SECURITIES, INC. and WELLS FARGO SECURITIES, LLC, as Joint Lead Arrangers and Joint Bookrunners TABLE OF CONTENTS Page ARTICLE I DEF

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact

August 3, 2023 EX-10.1

Bandwidth Inc. Second Amended and Restated 2017 Incentive Award Plan (incorporated by reference to Exhibit 10.1 to the Company’s quarterly report on Form 10-Q for the quarter ended June 30, 2023, filed on August

BANDWIDTH INC. SECOND AMENDED AND RESTATED 2017 INCENTIVE AWARD PLAN (As amended and restated effective February 21, 2023) ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities. Capitalized terms use

August 2, 2023 EX-99.1

Bandwidth Announces Second Quarter 2023 Financial Results Second quarter revenue and profitability exceeded guidance ranges Messaging revenue up 11% year-over-year

Bandwidth Announces Second Quarter 2023 Financial Results Second quarter revenue and profitability exceeded guidance ranges Messaging revenue up 11% year-over-year August 2, 2023 Conference Call Bandwidth will host a conference call to discuss financial results for the second quarter ended June 30, 2023 on August 2, 2023.

August 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2023 BANDWIDTH INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

May 22, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 18, 2023 BANDWIDTH INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 18, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 3, 2023 EX-10.1

SECOND AMENDMENT TO LEASE AGREEMENT

Exhibit 10.1 SECOND AMENDMENT TO LEASE AGREEMENT THIS SECOND AMENDMENT TO LEASE AGREEMENT (this “Amendment”) is made and entered into as of this 31st day of March, 2023 (the “Effective Date”) by and between USEF EDWARDS MILL OWNER, LLC, a Delaware limited liability company (“Landlord”) and BANDWIDTH INC., a Delaware corporation (“Tenant”). BACKGROUND A.Landlord and Tenant entered into that certain

May 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exac

May 2, 2023 EX-99.1

Bandwidth Announces First Quarter 2023 Financial Results First quarter revenue of $138 million exceeded guidance Messaging revenue up 8% year-over-year

Bandwidth Announces First Quarter 2023 Financial Results First quarter revenue of $138 million exceeded guidance Messaging revenue up 8% year-over-year May 2, 2023 Conference Call Conference call to discuss Bandwidth's financial results for the first quarter ended March 31, 2023 on May 2, 2023, via the investor section of its website at https://investors.

May 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2023 BANDWIDTH INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 2, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

April 10, 2023 SC 13G/A

BAND / Bandwidth Inc - Class A / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) March 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule i

April 4, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐

April 4, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy S

March 21, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMEN T SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Am

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMEN T SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confid

March 17, 2023 8-K

Termination of a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 14, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

March 13, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 13, 2023 BANDWIDTH INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 13, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

March 1, 2023 EX-99.1

Bandwidth Announces Additional Partial Repurchase of 0.25% Convertible Senior Notes Due 2026 Repurchasing $65 million of convertible debt at approximately 22% discount to par value Initially issued principal balance of $400 million notes due 2026 red

EXHIBIT 99.1 Bandwidth Announces Additional Partial Repurchase of 0.25% Convertible Senior Notes Due 2026 Repurchasing $65 million of convertible debt at approximately 22% discount to par value Initially issued principal balance of $400 million notes due 2026 reduced to $175 million outstanding Raleigh, N.C. – Mar 1, 2023 – Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communica

March 1, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 28, 2023 BANDWIDTH INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 28, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 23, 2023 EX-10.51

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT

EXHIBIT 10.51 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT THIS FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (the “Amendment”) is made and entered into as of March 24, 2022 by and between Bandwidth Inc., a Delaware corporation, having offices at 900 Main Campus Drive, Suite 500, Raleigh, North Carolina 27606 USA (“Bandwidth”), and Anthony Bartolo (“Executive”). WHEREAS, Bandwidth and Executive previously en

February 23, 2023 EX-21.1

List of Subsidiaries of Bandwidth Inc.

EXHIBIT 21.1 List of Subsidiaries of Bandwidth Inc. •Bandwidth.com CLEC, LLC (Delaware, United States) •UK Bandwidth Limited (England and Wales) •DE Bandwidth GmbH (Germany) •Bandwidth Iberia S.L (Spain) •Bandwidth Communications Canada, Inc. (Canada) •Voice Bidco Limited (England and Wales) •Voxbone S.A. (Belgium) •Voxbone US LLC (Delaware, United States) •Voxbone El Salvador Sociedad Anonima De

February 23, 2023 EX-10.52

FIRST AMENDMENT TO EMPLOYMENT AGREEMENT

EXHIBIT 10.52 FIRST AMENDMENT TO EMPLOYMENT AGREEMENT THIS FIRST AMENDMENT TO EMPLOYMENT AGREEMENT (the “Amendment”) is made and entered into as of March 25, 2022 by and between Bandwidth Inc., a Delaware corporation, having offices at 900 Main Campus Drive, Suite 500, Raleigh, North Carolina 27606 USA (“Bandwidth”), and Daryl E. Raiford (“Executive”). WHEREAS, Bandwidth and Executive previously e

February 23, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact nam

February 23, 2023 EX-99.1

Bandwidth Announces Fourth Quarter and Full Year 2022 Financial Results Quarterly and full year revenue exceeded mid-point of guidance ranges by $10 million Guiding to 30% increase in Adjusted EBITDA for full year 2023 Hosting inaugural Investor Day

Bandwidth Announces Fourth Quarter and Full Year 2022 Financial Results Quarterly and full year revenue exceeded mid-point of guidance ranges by $10 million Guiding to 30% increase in Adjusted EBITDA for full year 2023 Hosting inaugural Investor Day February 23, 2023 Investor Day Details Bandwidth is hosting a virtual Investor Day webcast today, February 23, 2023 and will host a Q&A session at the end of the event.

February 23, 2023 EX-10.50

BANDWIDTH INC. Amended and Restated 2017 Incentive Award Plan GLOBAL RESTRICTED STOCK UNIT GRANT NOTICE

EXHIBIT 10.50 BANDWIDTH INC. Amended and Restated 2017 Incentive Award Plan GLOBAL RESTRICTED STOCK UNIT GRANT NOTICE Capitalized terms not specifically defined in this Global Restricted Stock Unit Grant Notice (the “Grant Notice”) have the meanings given to them in the Amended and Restated 2017 Incentive Award Plan (as amended from time to time, the “Plan”) of Bandwidth Inc. (the “Company”). The

February 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2023 BANDWIDTH INC. (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 21, 2023 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 23, 2023 EX-4.3

Description of Capital Stock

Exhibit 4.3 Description of Capital Stock The following summary is a description of the material terms of Bandwidth Inc.’s (“our”) capital stock. This summary is not meant to be complete and is qualified in its entirety by reference to the applicable provisions of the Delaware General Corporation Law, our second amended and restated certificate of incorporation and our second amended and restated b

February 13, 2023 SC 13G/A

BAND / Bandwidth Inc / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

February 13, 2023 SC 13G/A

BAND / Bandwidth Inc / Telnyx, LLC - SC 13G/A Passive Investment

SC 13G/A 1 brhc10047511sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Bandwidth Inc. (Name of Issuer) Class A Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to

February 10, 2023 SC 13G/A

BAND / Bandwidth Inc / BlackRock Inc. Passive Investment

us05988j1034021023.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) BANDWIDTH INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 05988J103 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whic

February 9, 2023 SC 13G/A

BAND / Bandwidth Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 4)* Name of issuer: Bandwidth Inc. Class A Title of Class of Securities: Common Stock CUSIP Number: 05988J103 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

February 6, 2023 SC 13G/A

BAND / Bandwidth Inc / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

November 21, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 17, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

November 2, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (

November 1, 2022 EX-99.1

Bandwidth Announces Third Quarter 2022 Financial Results Quarterly revenue and non-GAAP EPS exceeded high-end of guidance ranges Raises full year 2022 outlook for revenue and non-GAAP EPS

Bandwidth Announces Third Quarter 2022 Financial Results Quarterly revenue and non-GAAP EPS exceeded high-end of guidance ranges Raises full year 2022 outlook for revenue and non-GAAP EPS November 1, 2022 Conference Call Conference call to discuss Bandwidth's financial results for the third quarter ended September 30, 2022 on November 1, 2022, via the investor section of its website at https://investors.

November 1, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 1, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

August 25, 2022 CORRESP

CONFIDENTIAL TREATMENT REQUESTED BY BANDWIDTH INC. PURSUANT TO 17 C.F.R. § 200.83

CORRESP 1 filename1.htm BAND-001 August 25, 2022 By Electronic Submission Office of Technology U.S. Securities and Exchange Commission Division of Corporation Finance FOIA Confidential Treatment Requested Under 17 C.F.R. §200.83 100 F Street, NE Washington, DC 20549 Attn: Megan Akst Kathleen Collins Re: Bandwidth Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed on February 25, 2022

August 24, 2022 CORRESP

www.bandwidth.com

August 24, 2022 Via EDGAR Correspondence Office of Technology U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, DC 20549 Attn: Megan Akst Kathleen Collins Re: Bandwidth Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed on February 25, 2022 File No. 001-38285 To the addressees set forth above: This letter is submitted by Bandwidth In

August 9, 2022 CORRESP

Please tell how you determined that the valuation allowance was not indicative of the current period's non-GAAP financial performance, as indicated in your response.

CORRESP 1 filename1.htm August 9, 2022 By Electronic Submission Accounting Branch Chief Office of Technology U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, DC 20549 Attn: Megan Akst Kathleen Collins Re: Bandwidth Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed on February 25, 2022 File No. 001-38285 To the addressees set forth

August 4, 2022 EX-FILING FEES

Filing Fee Table

EX-FILING FEES 2 q22022s-8xex107feetable.htm EX-FILING FEES Exhibit 107 CALCULATION OF FILING FEE TABLE Form S-8 (Form Type) Bandwidth Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rate Amount Registered Proposed Maximum Offering Price Per Share Maximum Aggregate Offering Price Fee Rate Amount of

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact

August 4, 2022 EX-10.1

SENIOR SECURED CREDIT FACILITIES CREDIT AGREEMENT dated as of June 6, 2022, BANDWIDTH INC., as the Borrower, THE SEVERAL LENDERS FROM TIME TO TIME PARTY HERETO, SILICON VALLEY BANK, as Administrative Agent, Issuing Lender and Swingline Lender

Execution Version SENIOR SECURED CREDIT FACILITIES CREDIT AGREEMENT dated as of June 6, 2022, among BANDWIDTH INC.

August 4, 2022 S-8

As filed with the Securities and Exchange Commission on August 4, 2022

As filed with the Securities and Exchange Commission on August 4, 2022 Registration No.

August 3, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 3, 2022 BANDWIDTH INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 3, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

August 3, 2022 EX-99.1

Bandwidth Announces Second Quarter 2022 Financial Results Exceeding Guidance

Bandwidth Announces Second Quarter 2022 Financial Results Exceeding Guidance August 3, 2022 Conference Call Conference call to discuss Bandwidth's financial results for the second quarter ended June 30, 2022 on August 3, 2022, via the investor section of its website at https://investors.

July 21, 2022 CORRESP

www.bandwidth.com

July 21, 2022 By Electronic Submission Office of Technology U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, NE Washington, DC 20549 Attn: Megan Akst Kathleen Collins Re: Bandwidth Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed on February 25, 2022 Form 10-Q for the Quarter Ended March 31, 2022 Filed on May 6, 2022 File No. 001-38285 To the ad

June 6, 2022 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 6, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 23, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 19, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 6, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 20

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exac

May 6, 2022 EX-10.4

FIRST AMENDMENT TO ESCROW AGREEMENT

FIRST AMENDMENT TO ESCROW AGREEMENT THIS FIRST AMENDMENT TO ESCROW AGREEMENT (this ?First Amendment?) is made and entered into as of this 21st day of April, 2022 (the ?Effective Date?) by and between USEF EDWARDS MILL OWNER, LLC, a Delaware limited liability company (?Landlord?) and BANDWIDTH INC.

May 6, 2022 EX-10.2

2017 Incentive Award Plan (incorporated by reference to Exhibit 10.2

BANDWIDTH INC. AMENDED AND RESTATED 2017 INCENTIVE AWARD PLAN ARTICLE I. PURPOSE The Plan?s purpose is to enhance the Company?s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities. Capitalized terms used in the Plan are defined in Article XI. ARTICLE II. ELIGIBIL

May 6, 2022 EX-10.3

FIRST AMENDMENT TO LEASE AGREEMENT

FIRST AMENDMENT TO LEASE AGREEMENT THIS FIRST AMENDMENT TO LEASE AGREEMENT (this ?First Amendment?) is made and entered into as of this 21st day of April, 2022 (the ?Effective Date?) by and between USEF EDWARDS MILL OWNER, LLC, a Delaware limited liability company (?Landlord?) and BANDWIDTH INC.

May 4, 2022 EX-99.1

Bandwidth Announces First Quarter 2022 Financial Results First Quarter Revenue of $131 million, up 16% year-over-year Dollar-based net retention rate of 114%

Bandwidth Announces First Quarter 2022 Financial Results First Quarter Revenue of $131 million, up 16% year-over-year Dollar-based net retention rate of 114% May 4, 2022 Conference Call Conference call to discuss the Company?s financial results for the first quarter ended March 31, 2022 on May 4, 2022, via the investor section of its website at https://investors.

May 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 4, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 2, 2022 SC 13G

BAND / Bandwidth Inc / Telnyx, LLC - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Bandwidth Inc. (Name of Issuer) Class A Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) April 22, 2022 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sche

April 5, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

DEF 14A 1 d253873ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the a

April 5, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Ame

DEFA14A 1 d253873ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐

March 10, 2022 SC 13G/A

BAND / Bandwidth Inc / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) February 28, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

March 9, 2022 SC 13G/A

BAND / Bandwidth Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0011-bandwidthincclassa.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Bandwidth Inc. Class A Title of Class of Securities: Common Stock CUSIP Number: 05988J103 Date of Event Which Requires Filing of this Statement: February 28, 2022 Check the appropriate box to des

February 25, 2022 EX-10.51

EMPLOYMENT AGREEMENT

Exhibit 10.51 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into as of December 6, 2019 (the "Effective Date"), by and between Bandwidth Inc. ("Bandwidth"), a Delaware corporation with its principal place of business at 900 Main Campus Drive, Suite 100, Raleigh, North Carolina 27606, and Scott Mullen ("Executive"). BACKGROUND A.Executive is Bandwidth's Chief

February 25, 2022 EX-21.1

List of Subsidiaries of Bandwidth Inc.

Exhibit 21.1 List of Subsidiaries of Bandwidth Inc. ?Bandwidth.com CLEC, LLC (Delaware, United States) ?Broadband, LLC (Delaware, United States) ?IP Spectrum Solutions, LLC (Delaware, United States) ?NL Bandwidth B.V. (Netherlands) ?UK Bandwidth Limited (England and Wales) ?DE Bandwidth GmbH (Germany) ?Bandwidth Iberia S.L (Spain) ?Voice Bidco Limited (England and Wales) ?Voxbone S.A. (Belgium) ?V

February 25, 2022 EX-10.1

FORM OF INDEMNIFICATION AND ADVANCEMENT AGREEMENT

FORM OF INDEMNIFICATION AND ADVANCEMENT AGREEMENT This Indemnification and Advancement Agreement (?Agreement?) is made as of , 20 by and between Bandwidth Inc.

February 25, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K __________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact nam

February 25, 2022 EX-10.52

EMPLOYMENT AGREEMENT

Exhibit 10.52 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into as of February 24, 2022, by and between Bandwidth Inc. ("Bandwidth"), a Delaware corporation with its principal place of business at 900 Main Campus Drive, Suite 100, Raleigh, North Carolina 27606, and R. Brandon Asbill ("Executive"). BACKGROUND A. Executive is employed as Bandwidth?s General C

February 25, 2022 EX-4.3

Description of Capital Stock

Exhibit 4.3 Description of Capital Stock The following summary is a description of the material terms of Bandwidth Inc.?s (?our?) capital stock. This summary is not meant to be complete and is qualified in its entirety by reference to the applicable provisions of the Delaware General Corporation Law, our second amended and restated certificate of incorporation and our second amended and restated b

February 23, 2022 EX-99.1

Bandwidth Announces Fourth Quarter and Full Year 2021 Financial Results Full year Total Revenue of $491 million, up 43% year-over-year Full year CPaaS Revenue of $414 million, up 39% year-over-year

Bandwidth Announces Fourth Quarter and Full Year 2021 Financial Results Full year Total Revenue of $491 million, up 43% year-over-year Full year CPaaS Revenue of $414 million, up 39% year-over-year February 23, 2022 Conference Call Conference call to discuss the Company?s financial results for the fourth quarter and full year ended December 31, 2021 on February 23, 2022, via the investor section of its website at https://investors.

February 23, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 23, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 22, 2022 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 22, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 22, 2022 EX-10.1

EMPLOYMENT AGREEMENT

Exhibit 10.1 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into as of February 22, 2022, by and between Bandwidth Inc. ("Bandwidth"), a Delaware corporation with its principal place of business at 900 Main Campus Drive, Suite 100, Raleigh, North Carolina 27606, and Anthony Bartolo ("Executive"). BACKGROUND A. Bandwidth seeks to employ Executive as Bandwidth?

February 22, 2022 EX-99.1

Bandwidth Welcomes Global Tech Executive Anthony Bartolo As Chief Operating Officer Cloud communications leader from Avaya and Tata Communications has 30 years’ experience scaling global revenues and motivating cross-functional teams

Exhibit 99.1 Bandwidth Welcomes Global Tech Executive Anthony Bartolo As Chief Operating Officer Cloud communications leader from Avaya and Tata Communications has 30 years? experience scaling global revenues and motivating cross-functional teams RALEIGH, N.C. ? Feb. 22, 2022 - Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communications company, today announced that Anthony Bar

February 11, 2022 SC 13G/A

BAND / Bandwidth Inc / Kaestner Henry R. - SC 13G/A Passive Investment

United States Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to ? 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to ? 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4)* Bandwidth Inc. (Name of Issuer) Class A Common Stock (Title of Class of Securities) 05988J103 (CUSI

February 11, 2022 SC 13G

BAND / Bandwidth Inc / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designat

February 9, 2022 SC 13G/A

BAND / Bandwidth Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0015-bandwidthincclassa.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Bandwidth Inc. Class A Title of Class of Securities: Common Stock CUSIP Number: 05988J103 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to des

February 4, 2022 SC 13G

BAND / Bandwidth Inc / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

February 2, 2022 SC 13G/A

BAND / Bandwidth Inc / VICTORY CAPITAL MANAGEMENT INC Passive Investment

SC 13G/A 1 bandwith13ga1123121.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ( Amendment No. 1)* BandwithInc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the ru

January 18, 2022 EX-99.1

Bandwidth Appoints Rebecca Bottorff to Board of Directors, Expanding Board to Six Members Longtime Chief People Officer brings significant tech leadership experience working with public and private company boards and helping scale growth through cult

Exhibit 99.1 Bandwidth Appoints Rebecca Bottorff to Board of Directors, Expanding Board to Six Members Longtime Chief People Officer brings significant tech leadership experience working with public and private company boards and helping scale growth through culture-building RALEIGH, N.C. ? January 18, 2022 - Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communications company,

January 18, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 11, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

January 4, 2022 EX-99.1

A global cloud communications leader powering enterprise digital transformation through software APIs and our global network

Investor Presentation December 2021 Exhibit 99.1 Legal disclaimer This presentation contains forward-looking statements. All statements contained in this presentation other than statements of historical facts, including, without limitation, future financial and business performance for the third quarter 2021 and full-year 2021, attractiveness of our product offerings and platform and the value pro

January 4, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 4, 2022 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

November 30, 2021 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 30, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

November 9, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (

November 9, 2021 EX-10.1

BANDWIDTH INC. 2017 INCENTIVE AWARD PLAN GLOBAL RESTRICTED STOCK UNIT GRANT NOTICE

BANDWIDTH INC. 2017 INCENTIVE AWARD PLAN GLOBAL RESTRICTED STOCK UNIT GRANT NOTICE Capitalized terms not specifically defined in this Global Restricted Stock Unit Grant Notice (the ?Grant Notice?) have the meanings given to them in the 2017 Incentive Award Plan (as amended from time to time, the ?Plan?) of Bandwidth Inc. (the ?Company?). The Company has granted to the participant listed below (?Pa

November 8, 2021 EX-99.1

Bandwidth Announces Third Quarter 2021 Financial Results Total Revenue of $131 million, up 54% year-over-year CPaaS Revenue of $107 million, up 46% year-over-year

Bandwidth Announces Third Quarter 2021 Financial Results Total Revenue of $131 million, up 54% year-over-year CPaaS Revenue of $107 million, up 46% year-over-year November 8, 2021 Conference Call Conference call to discuss the Company?s financial results for the third quarter ended September 30, 2021 on November 8, 2021, via the investor section of its website at https://investors.

November 8, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 8, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

October 27, 2021 EX-99.1

Bandwidth Announces Preliminary Third Quarter 2021 Revenue Results Exceeding Guidance and Estimated Full Year Revenue Impact of DDoS Attack

Bandwidth Announces Preliminary Third Quarter 2021 Revenue Results Exceeding Guidance and Estimated Full Year Revenue Impact of DDoS Attack Raleigh, NC ? October 26, 2021 ? Bandwidth Inc.

October 27, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 26, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

October 6, 2021 EX-99.1

BANDWIDTH ISSUES STATEMENT ON RECENT DDOS ATTACK

Exhibit 99.1 BANDWIDTH ISSUES STATEMENT ON RECENT DDOS ATTACK RALEIGH, N.C. ? Oct. 5, 2021 - Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communications company, today issued the following statement in a blog post from CEO David Morken: To our customers and partners: On Tuesday, Sept. 28, I posted here to inform you of a DDoS attack aimed at Bandwidth and other providers in the

October 6, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 5, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numb

September 28, 2021 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) September 28, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File N

August 25, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 19, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numb

August 18, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 13, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numb

August 6, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q __________________________________ ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 202

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact

August 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 5, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

August 5, 2021 EX-99.1

Bandwidth Announces Second Quarter 2021 Financial Results Second quarter total revenue of $120.7 million, up 57% year-over-year Second quarter CPaaS revenue of $105.0 million, up 57% year-over-year Second quarter dollar-based net retention rate of 11

Bandwidth Announces Second Quarter 2021 Financial Results Second quarter total revenue of $120.

July 8, 2021 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 6, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number

July 8, 2021 EX-10.1

Employment Agreement, dated July 6, 2021, between the Company and Mr. Raiford

Exhibit 10.1 EXECUTION VERSION EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this ?Agreement?) is made and entered into as of July 6, 2021, by and between Bandwidth Inc. (?Bandwidth?), a Delaware corporation with its principal place of business at 900 Main Campus Drive, Suite 100, Raleigh, North Carolina 27606, and Daryl E. Raiford (?Executive?). BACKGROUND A. Bandwidth?s Chief Financial Officer

July 8, 2021 EX-99.1

Bandwidth Announces Daryl Raiford As New Chief Financial Officer Brings global public company experience and proven financial leadership scaling growth across multiple sectors including software, telecommunications and technology

Exhibit 99.1 Bandwidth Announces Daryl Raiford As New Chief Financial Officer Brings global public company experience and proven financial leadership scaling growth across multiple sectors including software, telecommunications and technology RALEIGH, N.C. ? July 8, 2021 ? Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communications company, today announced Daryl Raiford will be

June 8, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 4, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 28, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 27, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 28, 2021 EX-10.1

PURCHASE AND SALE AGREEMENT

Execution Copy STATE OF NORTH CAROLINA COUNTY OF WAKE PURCHASE AND SALE AGREEMENT This Purchase and Sale Agreement (this ?Agreement?) is made as of the last date set forth in the signature blocks below by and between BANDWIDTH INC.

May 28, 2021 EX-10.2

LEASE AGREEMENT by and between USEF EDWARDS MILL OWNER, LLC as Landlord BANDWIDTH INC. as Tenant May 27, 2021 TABLE OF CONTENTS

EX-10.2 3 q22021exh102-leaseagreement.htm EX-10.2 LEASE AGREEMENT by and between USEF EDWARDS MILL OWNER, LLC as Landlord and BANDWIDTH INC. as Tenant dated May 27, 2021 TABLE OF CONTENTS Page ARTICLE I 1 1.1 DEMISE OF THE PREMISES; DELIVERY OF POSSESSION 1 1.2 TERM 2 1.3 USE 4 ARTICLE II 5 2.1 BASE RENT 5 2.2 ADDITIONAL RENT; COSTS OF TENANT 5 2.3 RENT PAYMENTS 7 2.4 SECURITY LIEN; SECURITY DEPOS

May 28, 2021 EX-10.3

ESCROW AGREEMENT

EX-10.3 4 q22021exh103-escrowagreeme.htm EX-10.3 ESCROW AGREEMENT This Escrow Agreement (this “Agreement”) is made and entered into as of this 27th day of May, 2021 (the “Effective Date”), by and among BANDWIDTH INC., a Delaware corporation (“Tenant”), USEF EDWARDS MILL OWNER, LLC, a Delaware limited liability company(“Landlord”), and CHICAGO TITLE INSURANCE COMPANY (“Escrow Agent”) with an addres

May 27, 2021 8-K

Termination of a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 25, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 24, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported) May 20, 2021 Bandwidth Inc. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 7, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exac

May 7, 2021 EX-10.2

January 18, 2021

EX-10.2 2 q12021ex102gctransition-le.htm EX-10.2 900 Main Campus Drive Suite 100 Raleigh, NC 27606 919-297-1100 (tel) 919-882-1438 (fax) January 18, 2021 Chris Matton [***] Dear Chris: I reluctantly accepted your prior resignation as General Counsel and Secretary of Bandwidth Inc. (“Bandwidth”), effective as of March 31, 2021. Thank you for your extraordinary service to Bandwidth as General Counse

May 5, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 3, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 5, 2021 EX-99.1

Bandwidth Announces First Quarter 2021 Financial Results First quarter total revenue of $113.5 million, up 66% year-over-year First quarter CPaaS revenue of $100.1 million, up 69% year-over-year First quarter dollar-based net retention rate of 125%

EX-99.1 2 q120218kexh991.htm EX-99.1 Bandwidth Announces First Quarter 2021 Financial Results First quarter total revenue of $113.5 million, up 66% year-over-year First quarter CPaaS revenue of $100.1 million, up 69% year-over-year First quarter dollar-based net retention rate of 125% Raleigh, NC - May 5, 2021 - Bandwidth Inc. (NASDAQ: BAND), a leading global enterprise cloud communications compan

May 5, 2021 EX-99.2

May 3, 2021

EX-99.2 3 hoffmanletterofresignation.htm EX-99.2 May 3, 2021 David Morken Co-Founder, Chairman and CEO Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 David, Please accept this letter as formal notice of my resignation from my position as CFO of Bandwidth. As discussed, my last day at Bandwidth will be August 31, 2021. I hope this will allow you sufficient time to find my replacement and le

April 8, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BANDWIDTH INC (Name of Issuer) (Title of Class of Securities) (CUSIP Number) March 31, 2021 (Date of Eve

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BANDWIDTH INC (Name of Issuer) COMMON (Title of Class of Securities) 05988J103 (CUSIP Number) March 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

April 6, 2021 DEF 14A

- DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy S

April 6, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confide

March 16, 2021 EX-10.2

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Citibank, N.A. 390 Greenwich Street New York, NY 10013 Re: Base Call Option Transaction Date: March 11, 2021 Dear Ladies and Gentlemen: The purpose of this communication (this ?Confirmation?) is to set forth the terms and conditions of the call option transaction entered into on the Trade Date specified below (the ?Transaction?) betw

March 16, 2021 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 11, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

March 16, 2021 EX-4.1

BANDWIDTH INC. WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee

Execution Version BANDWIDTH INC. and WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee INDENTURE Dated as of March 16, 2021 0.50% Convertible Senior Notes due 2028 TABLE OF CONTENTS Page Article 1 Definitions; Rules of Construction 1 Section 1.01. Definitions. 1 Section 1.02. Other Definitions. 13 Section 1.03. Rules of Construction. 14 Article 2 The Notes 14 Section 2.01. Form, Dating and Denomin

March 16, 2021 EX-10.4

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Morgan Stanley & Co. LLC Re: Base Call Option Transaction Date: March 11, 2021 Dear Ladies and Gentlemen: The purpose of this communication (this ?Confirmation?) is to set forth the terms and conditions of the call option transaction entered into on the Trade Date specified below (the ?Transaction?) between Morgan Stanley & Co. LLC (

March 16, 2021 EX-10.1

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Bank of Montreal 55 Bloor Street West, 18th Floor Toronto, Ontario M4W 1A5 Telephone No.: (416) 552-4177 Facsimile No.: (416) 552-7904 Re: Base Call Option Transaction Date: March 11, 2021 Dear Ladies and Gentlemen: The purpose of this communication (this ?Confirmation?) is to set forth the terms and conditions of the call option tra

March 16, 2021 EX-10.3

2

EX-10.3 5 basecappedcallconfirmationc.htm EX-10.3 GOLDMAN SACHS & CO. LLC | 200 WEST STREET | NEW YORK, NEW YORK 10282-2198 | TEL: 212-902-1000 Opening Transaction To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 A/C: To be provided From: Goldman Sachs & Co. LLC Re: Base Call Option Transaction Ref. No: To be provided Date: March 11, 2021 Dear Ladies and Gentlemen: The purpose of this co

March 12, 2021 EX-99.1

Bandwidth Announces Pricing of $250 Million Convertible Senior Notes Offering

Bandwidth Announces Pricing of $250 Million Convertible Senior Notes Offering RALEIGH, NC, March 12, 2021 - Bandwidth Inc.

March 12, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 11, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

March 10, 2021 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 10, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

March 10, 2021 EX-99.1

Bandwidth Inc. Announces Proposed Private Offering of $250 Million of Convertible Senior Notes

Bandwidth Inc. Announces Proposed Private Offering of $250 Million of Convertible Senior Notes RALEIGH, NC – March 10, 2021 – Bandwidth Inc. (NASDAQ: BAND) (“Bandwidth”), a leading enterprise cloud communications company, today announced that it intends to offer and sell, subject to market and other conditions, $250 million aggregate principal amount of Convertible Senior Notes due 2028 (the “Note

March 1, 2021 EX-21.1

List of Subsidiaries of Bandwidth Inc.

EX-21.1 3 q42020exh211listofsubsidia.htm EX-21.1 Exhibit 21.1 List of Subsidiaries of Bandwidth Inc. •Bandwidth.com CLEC, LLC (Delaware, United States) •Broadband, LLC (Delaware, United States) •IP Spectrum Solutions, LLC (Delaware, United States) •NL Bandwidth B.V. (Netherlands) •UK Bandwidth Limited (England and Wales) •DE Bandwidth GmbH (Germany) •Bandwidth Iberia S.L (Spain) •Voice Topco Limit

March 1, 2021 EX-4.3

Description of Capital Stock

Exhibit 4.3 Description of Capital Stock The following summary is a description of the material terms of Bandwidth Inc.?s (?our?) capital stock. This summary is not meant to be complete and is qualified in its entirety by reference to the applicable provisions of the Delaware General Corporation Law, our second amended and restated certificate of incorporation and our second amended and restated b

March 1, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact nam

February 25, 2021 EX-99.1

Bandwidth Announces Fourth Quarter and Full Year 2020 Financial Results Fourth quarter total revenue of $113.0 million, up 82% year-over-year Fourth quarter CPaaS revenue of $98.1 million, up 84% year-over-year Fourth quarter dollar-based net retenti

Bandwidth Announces Fourth Quarter and Full Year 2020 Financial Results Fourth quarter total revenue of $113.

February 25, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 25, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 16, 2021 SC 13G/A

SCHEDULE 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

February 11, 2021 SC 13G/A

United States Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE

SC 13G/A United States Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3)* Bandwidth Inc. (Name of Issuer) Class A Common Stock (Title of Class of Securities) 05988J

February 11, 2021 SC 13G/A

United States Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE

SC 13G/A United States Securities and Exchange Commission Washington, D.C. 20549 Schedule 13G (Rule 13d-102) Information to be Included in Statements Filed Pursuant to § 240.13d-1(b), (c) and (d) and Amendments Thereto Filed Pursuant to § 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3)* Bandwidth Inc. (Name of Issuer) Class A Common Stock (Title of Class of Securities) 05988J

February 11, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* BANDWIDTH INC (Name of Issuer) (Title of Class of Securities) (CUSIP Number) December 31, 2020 (Date

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. n/a )* BANDWIDTH INC (Name of Issuer) COMMON (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

February 10, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Bandwidth Inc. Class A Title of Class of Securities: Common Stock CUSIP Number: 05988J103 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

February 9, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ( Amendment No. )* (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) December 31, 2020 (Date of E

SC 13G 1 bandwith13g123120.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 ( Amendment No. )* BandwithInc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pu

February 3, 2021 SC 13G/A

SCHEDULE 13G

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

January 15, 2021 EX-10.1

EMPLOYMENT AGREEMENT

EX-10.1 2 bandwidth-carrekerxexecuti.htm EX-10.1 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into as of January 13, 2021 (the "Effective Date"), by and between Bandwidth Inc. ("Bandwidth"), a Delaware corporation with its principal place of business at 900 Main Campus Drive, Suite 100, Raleigh, North Carolina 27606, and Marina C. Carreker ("Executive"). BA

January 15, 2021 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) January 13, 2021 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

January 14, 2021 8-K/A

Financial Statements and Exhibits - 8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File N

January 14, 2021 EX-99.1

Preference shares of €0.01 each

EX-99.1 3 q12021exh991combinedvbinte.htm EX-99.1 Independent Auditors’ Review Report The Board of Directors, Voice Topco Limited Report on the Financial Statements We have reviewed the accompanying condensed consolidated statement of financial position of Voice Topco Limited and its subsidiaries as of September 30, 2020, the related condensed consolidated statement of profit and loss and other com

January 14, 2021 EX-99.2

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.2 4 q12021exh992voxacquisition.htm EX-99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Introduction On November 2, 2020, Bandwidth, Inc. (“Bandwidth” or “the Company”) completed the acquisition (the “Business Combination” or the “Transaction”) of Voxbone S.A., a private limited liability company registered under the laws of Belgium, pursuant to the Share Purchase Agreement (

November 5, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

November 5, 2020 EX-1.1

663,394 Shares BANDWIDTH INC. CLASS A COMMON STOCK (PAR VALUE $0.001 PER SHARE) UNDERWRITING AGREEMENT

Exhibit 1.1 663,394 Shares BANDWIDTH INC. CLASS A COMMON STOCK (PAR VALUE $0.001 PER SHARE) UNDERWRITING AGREEMENT November 2, 2020 November 2, 2020 Morgan Stanley & Co LLC 1585 Broadway New York, NY 10036 Ladies and Gentlemen: VIP II Nominees Limited, a shareholder (the “Selling Shareholder”) of Bandwidth Inc., a Delaware corporation (the “Company”), proposes to sell to the several Underwriters n

November 4, 2020 424B7

663,394 Shares of Class A Common Stock

Filed Pursuant to Rule 424(b)(7) Registration No. 333-249792 PROSPECTUS SUPPLEMENT (To Prospectus dated November 2, 2020) 663,394 Shares of Class A Common Stock The selling stockholder, VIP II Nominees Limited, is selling 663,394 shares of Class A common stock in this offering. We will not receive any of the proceeds from the sale of our Class A common stock by the selling stockholder in this offe

November 2, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

November 2, 2020 EX-99.1

Bandwidth Completes Acquisition of International Cloud Communications Leader Voxbone

Bandwidth Completes Acquisition of International Cloud Communications Leader Voxbone RALEIGH, NC and LONDON, UK – Nov 2 - Bandwidth (NASDAQ: BAND), a leading enterprise cloud communications company, successfully completed the transaction to acquire Voxbone, an international enterprise cloud communications leader, for an enterprise value of €446 million EUR (approximately $519.

November 2, 2020 S-3ASR

- S-3ASR

As filed with the Securities and Exchange Commission on November 2, 2020 Registration No.

November 2, 2020 EX-99.1

Bandwidth Expands Executive Leadership Team to Fuel Global Growth

EX-99.1 2 a20201031-execleadersh.htm EX-99.1 Bandwidth Expands Executive Leadership Team to Fuel Global Growth RALEIGH, NC - Nov 2, 2020 - Bandwidth (NASDAQ: BAND), a leading enterprise cloud communications company, today announced the appointment of several new leaders to the executive management team supporting the Company’s continued growth and global expansion. The company named the following

November 2, 2020 424B7

SUBJECT TO COMPLETION, DATED NOVEMBER 2, 2020

Filed Pursuant to Rule 424(b)(7) Registration No. 333-249792 The information in this preliminary prospectus supplement is not complete and may be changed. A registration statement filed with the Securities and Exchange Commission related to the securities has been declared effective. This preliminary prospectus supplement is not an offer to sell these securities and we and the selling stockholder

November 2, 2020 8-K

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 2, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

October 30, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (

October 29, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 29, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

October 29, 2020 EX-99.1

Bandwidth Announces Third Quarter 2020 Financial Results Total third quarter revenue of $84.8 million, up 40% year-over-year CPaaS third quarter revenue of $73.8 million, up 43% year-over-year Active CPaaS customers of 2,015, up 25% year-over-year Do

EX-99.1 2 q320208kexh991.htm EX-99.1 Bandwidth Announces Third Quarter 2020 Financial Results Total third quarter revenue of $84.8 million, up 40% year-over-year CPaaS third quarter revenue of $73.8 million, up 43% year-over-year Active CPaaS customers of 2,015, up 25% year-over-year Dollar-based net retention rate of 131% Raleigh, NC - October 29, 2020 - Bandwidth Inc. (NASDAQ: BAND), a leading e

October 13, 2020 EX-2.1

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH (i) NOT MATERIAL, AND (ii) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED

EX-2.1 2 q42020sharepurchaseagr.htm EX-2.1 CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH (i) NOT MATERIAL, AND (ii) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED Voicebox S.à r.l Mr Itay Rosenfeld Mr Stefaan Konings Mr Dirk Hermans Mr Gaetan Brichet Stichting Administratiekantoor Voice (as Sellers) Bandwidth Inc. (as Purchaser) Share purchase agreement for the sale of

October 13, 2020 EX-10.2

REGISTRATION RIGHTS AGREEMENT

[AGREED FORM] REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this “Agreement”) dated as of [●], 2020 is between Bandwidth Inc.

October 13, 2020 EX-99.1

Bandwidth to Acquire International Cloud Communications Leader Voxbone

Bandwidth to Acquire International Cloud Communications Leader Voxbone •Leading North American and international cloud platforms come together to supercharge enterprise communications across 60+ countries representing 93% of global GDP •Global enterprises will benefit from a unified software platform and network for the rapid launch and hyper-scale of communications applications and experiences •Combination will accelerate and expand Bandwidth's opportunity to serve $17.

October 13, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition, Other Events - 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 12, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Num

October 13, 2020 EX-10.1

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH (i) NOT MATERIAL, AND (ii) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED

CERTAIN IDENTIFIED INFORMATION HAS BEEN EXCLUDED BECAUSE IT IS BOTH (i) NOT MATERIAL, AND (ii) WOULD BE COMPETITIVELY HARMFUL IF PUBLICLY DISCLOSED 12 October 2020 THE WARRANTORS details of whom are set out in Schedule 1 (as Warrantors) and Bandwidth Inc.

September 9, 2020 SC 13G/A

BAND / Bandwidth Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Bandwidth Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 05988J103 (CUSIP Number) August 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

July 31, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 30, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number

July 31, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact

July 31, 2020 EX-99.1

Bandwidth Announces Second Quarter 2020 Financial Results Total second quarter revenue of $76.8 million, up 35% year-over-year CPaaS second quarter revenue of $67.1 million, up 40% year-over-year Active CPaaS customers of 1,900, up 30% year-over-year

EX-99.1 2 q220208kexh991.htm EX-99.1 Bandwidth Announces Second Quarter 2020 Financial Results Total second quarter revenue of $76.8 million, up 35% year-over-year CPaaS second quarter revenue of $67.1 million, up 40% year-over-year Active CPaaS customers of 1,900, up 30% year-over-year Dollar-based net retention rate of 133% Raleigh, NC - July 30, 2020 - Bandwidth Inc. (NASDAQ: BAND), a software

June 17, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 15, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number

June 17, 2020 EX-10.1

Legal Description

STATE OF NORTH CAROLINA COUNTY OF WAKE PURCHASE AND SALE AGREEMENT This Purchase and Sale Agreement (this "Agreement") is made as of the last date set forth in the signature blocks below (the "Effective Date") by and between the STATE OF NORTH CAROLINA, a body politic and corporate (hereinafter referred to as "Seller"), and BANDWIDTH INC.

May 21, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 21, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number)

May 6, 2020 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confide

May 4, 2020 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exac

April 30, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 30, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

April 30, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 27, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Numbe

April 30, 2020 EX-10.1

FIRST AMENDMENT AGREEMENT

EX-10.1 2 bandwidth-firstamendme.htm EX-10.1 FIRST AMENDMENT AGREEMENT This First Amendment AGREEMENT (this “Amendment”) is made as of the 27th day of April, 2020 among: (a)BANDWIDTH INC. (f/k/a Bandwidth.com, Inc.), a Delaware corporation (the “Borrower”); (b)the Lenders, as defined in the Credit Agreement, as hereinafter defined; and (c)KEYBANK NATIONAL ASSOCIATION, a national banking associatio

April 30, 2020 EX-99.1

Bandwidth Announces First Quarter 2020 Financial Results Total first quarter revenue of $68.5 million, up 29% year-over-year CPaaS first quarter revenue of $59.1 million, up 31% year-over-year Active CPaaS customers of 1,808, up 34% year-over-year Fi

Bandwidth Announces First Quarter 2020 Financial Results Total first quarter revenue of $68.

April 13, 2020 DEFA14A

BAND / Bandwidth Inc. DEFA14A - - DEFA14A

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (RULE 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐

April 13, 2020 DEF 14A

BAND / Bandwidth Inc. DEF 14A - - DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 7, 2020 EX-99.1

Bandwidth to Build New Home in Raleigh State of North Carolina Approves Company to Purchase Land in Raleigh for New Corporate Headquarters

EX-99.1 2 bandwidthjdigpressrele.htm EX-99.1 Bandwidth to Build New Home in Raleigh State of North Carolina Approves Company to Purchase Land in Raleigh for New Corporate Headquarters RALEIGH, N.C., April 7, 2020 /PRNewswire/ - Bandwidth Inc. (NASDAQ: BAND) ("Bandwidth"), a software company focused on communications for the enterprise, today announced that the Company was approved to purchase a 40

April 7, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 7, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Number

March 2, 2020 EX-10.5

2

GOLDMAN SACHS & CO. LLC | 200 WEST STREET | NEW YORK, NEW YORK 10282-2198 | TEL: 212-902-1000 Opening Transaction To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 A/C: [Insert Account Number] From: Goldman Sachs & Co. LLC Re: Base Call Option Transaction Ref. No: [Insert Reference Number] Date: February 25, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirma

March 2, 2020 EX-10.4

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Morgan Stanley & Co. LLC 1585 Broadway, 4th Floor New York, NY 10036 Re: Base Call Option Transaction Date: February 25, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to set forth the terms and conditions of the call option transaction entered into on the Trade Date specified below (the “T

March 2, 2020 EX-10.1

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Barclays Bank PLC 5 The North Colonnade Canary Wharf, London E14 4BB Facsimile: +44(20)77736461 Telephone: +44 (20) 777 36810 c/o Barclays Capital Inc. as Agent for Barclays Bank PLC 745 Seventh Avenue New York, NY 10019 Telephone: +1 212 412 4000 Re: Base Call Option Transaction Date: February 25, 2020 Dear Ladies and Gentlemen: The

March 2, 2020 EX-10.6

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Barclays Bank PLC 5 The North Colonnade Canary Wharf, London E14 4BB Facsimile: +44(20)77736461 Telephone: +44 (20) 777 36810 c/o Barclays Capital Inc. as Agent for Barclays Bank PLC 745 Seventh Avenue New York, NY 10019 Telephone: +1 212 412 4000 Re: Additional Call Option Transaction Date: February 26, 2020 Dear Ladies and Gentleme

March 2, 2020 EX-10.8

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Bank of Montreal 55 Bloor Street West, 18th Floor Toronto, Ontario M4W 1A5 Telephone No.: (416) 552-4177 Facsimile No.: (416) 552-7904 Re: Additional Call Option Transaction Ref. No: To be advised Date: February 26, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to set forth the terms and c

March 2, 2020 EX-10.10

2

GOLDMAN SACHS & CO. LLC | 200 WEST STREET | NEW YORK, NEW YORK 10282-2198 | TEL: 212-902-1000 Opening Transaction To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 A/C: To be provided From: Goldman Sachs & Co. LLC Re: Additional Call Option Transaction Ref. No: To be provided Date: February 26, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to s

March 2, 2020 EX-10.3

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Bank of Montreal 55 Bloor Street West, 18th Floor Toronto, Ontario M4W 1A5 Telephone No.: (416) 552-4177 Facsimile No.: (416) 552-7904 Re: Base Call Option Transaction Ref. No: To be advised Date: February 25, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to set forth the terms and conditi

March 2, 2020 EX-10.9

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: Morgan Stanley & Co. LLC 1585 Broadway, 4th Floor New York, NY 10036 Re: Additional Call Option Transaction Date: February 26, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to set forth the terms and conditions of the call option transaction entered into on the Trade Date specified below (

March 2, 2020 EX-10.2

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: JPMorgan Chase Bank, National Association New York Branch 383 Madison Avenue New York, NY 10179 Re: Base Call Option Transaction Date: February 25, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to set forth the terms and conditions of the call option transaction entered into on the Trade D

March 2, 2020 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 28, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

March 2, 2020 EX-4.1

BANDWIDTH INC. WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee Dated as of February 28, 2020 0.250% Convertible Senior Notes due 2026

Exhibit 4.1 BANDWIDTH INC. and WILMINGTON TRUST, NATIONAL ASSOCIATION as Trustee INDENTURE Dated as of February 28, 2020 0.250% Convertible Senior Notes due 2026 #92925316v9 TABLE OF CONTENTS Page Article 1 Definitions; Rules of Construction 1 Section 1.01. Definitions. 1 Section 1.02. Other Definitions. 13 Section 1.03. Rules of Construction. 14 Article 2 The Notes 15 Section 2.01. Form, Dating a

March 2, 2020 EX-10.7

2

To: Bandwidth Inc. 900 Main Campus Drive Raleigh, NC 27606 From: JPMorgan Chase Bank, National Association New York Branch 383 Madison Avenue New York, NY 10179 Re: Additional Call Option Transaction Date: February 26, 2020 Dear Ladies and Gentlemen: The purpose of this communication (this “Confirmation”) is to set forth the terms and conditions of the call option transaction entered into on the T

February 26, 2020 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 25, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 26, 2020 EX-99.1

Bandwidth Announces Pricing of Upsized $350 Million Convertible Senior Notes Offering

Bandwidth Announces Pricing of Upsized $350 Million Convertible Senior Notes Offering RALEIGH, N.

February 25, 2020 EX-99.1

Bandwidth Announces Proposed Private Offering of $300 Million of Convertible Senior Notes

Bandwidth Announces Proposed Private Offering of $300 Million of Convertible Senior Notes RALEIGH, N.

February 25, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 25, 2020 BANDWIDTH INC. (Exact name of registrant as specified in its charter) Delaware 001-38285 56-2242657 (State or other jurisdiction of incorporation) (Commission File Nu

February 21, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38285 BANDWIDTH INC. (Exact nam

February 21, 2020 EX-21.1

List of Subsidiaries of Bandwidth Inc.

Exhibit 21.1 List of Subsidiaries of Bandwidth Inc. •Bandwidth.com CLEC, LLC (Delaware, United States) •Broadband, LLC (Delaware, United States) •IP Spectrum Solutions, LLC (Delaware, United States) •NL Bandwidth B.V. (Netherlands) •UK Bandwidth Limited (England and Wales) •DE Bandwidth GmbH (Germany) •Bandwidth Iberia S.L (Spain)

February 21, 2020 EX-10.30

DocuSign Envelope ID: E980F6FE-3521-4C6C-9ED4-92158B6298AE EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into as of December 6, 2019 (the "Effective Date"), by and between Bandwidth Inc. ("Bandwidth"), a Delawa

exh1033bottorffrebeccaex DocuSign Envelope ID: E980F6FE-3521-4C6C-9ED4-92158B6298AE EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (this "Agreement") is made and entered into as of December 6, 2019 (the "Effective Date"), by and between Bandwidth Inc.

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