PBYI / Puma Biotechnology, Inc. - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

Puma Biotechnology, Inc.
US ˙ NasdaqGS ˙ US74587V1070

Statistik Asas
CIK 1401667
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 Puma Biotechnology, Inc.
SEC Filings (Chronological Order)
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August 7, 2025 EX-10.1

Fifth Amendment to Office Lease, dated as of October 27, 2017, by and between the Company and DE PARK AVENUE 10880, LLC

Exhibit 10.1 FIFTH AMENDMENT TO OFFICE LEASE This Fifth Amendment to Office Lease (this "Fifth Amendment"), dated October 27, 2017, is made by and between DE PARK AVENUE 10880, LLC, a Delaware limited liability company ("Landlord"), with offices at 808 Wilshire Boulevard, Suite 200, Santa Monica, California 90401, and PUMA BIOTECHNOLOGY, INC., a Delaware corporation ("Tenant"), with offices at 108

August 7, 2025 10-Q/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No.1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q/A Amendment No.1 ☒ 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: 001-35703 PUM

August 7, 2025 EX-99.1

Puma Biotechnology Reports Second Quarter Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter Financial Results LOS ANGELES, Calif., Aug. 7, 2025 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2025. Unless otherwise stated, all comparisons are for the second quarter 2025 compared to the second quarter 2024. Product revenue, net consi

August 7, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 7, 2025 PUMA BIOTECHNOLOGY,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 7, 2025 PUMA BIOTECHNOLOGY, INC.

August 7, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PUM

August 7, 2025 EX-10.2

Sixth Amendment to Office Lease, dated as of July 23, 2025, by and between the Company and DE PARK AVENUE 10880, LLC

Exhibit 10.2 SIXTH AMENDMENT TO OFFICE LEASE This Sixth Amendment to Office Lease (this “Sixth Amendment”), dated July 23, 2025 (the “Sixth Amendment Effective Date”), is made by and between DE PARK AVENUE 10880, LLC, a Delaware limited liability company (“Landlord”), with offices at 1299 Ocean Avenue, Suite 1000, Santa Monica, California 90401, and PUMA BIOTECHNOLOGY, INC., a Delaware corporation

June 24, 2025 EX-3.1

Fifth Amended and Restated Bylaws of Puma Biotechnology, Inc.

Exhibit 3.1 FIFTH AMENDED AND RESTATED BYLAWS OF PUMA BIOTECHNOLOGY, INC. (a Delaware Corporation) ARTICLE I STOCKHOLDERS Section 1. Certificates Representing Stock. (a) Certificates representing stock in Puma Biotechnology, Inc. (the “Corporation”) shall be signed by, or in the name of, the Corporation by two officers of the Corporation, including by the Treasurer or an Assistant Treasurer or the

June 24, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 19, 2025 PUMA BIOTECHNOLOGY, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 19, 2025 PUMA BIOTECHNOLOGY, INC.

June 13, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 11, 2025 PUMA BIOTECHNOLOGY, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 11, 2025 PUMA BIOTECHNOLOGY, INC.

May 9, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2025 PUMA BIOTECHNOLOGY, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2025 PUMA BIOTECHNOLOGY, INC.

May 8, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PU

May 8, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2025 PUMA BIOTECHNOLOGY, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2025 PUMA BIOTECHNOLOGY, INC.

May 8, 2025 EX-99.1

Puma Biotechnology Reports First Quarter Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter Financial Results LOS ANGELES, Calif., May 8, 2025 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2025. Unless otherwise stated, all comparisons are for the first quarter of 2025 compared to the first quarter of 2024. Product revenue, net con

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 (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 ☐ Confide

April 28, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

February 27, 2025 EX-19.1

Insider Trading and Compliance Policy

Exhibit 19.1 Puma Biotechnology, Inc. Insider Trading Compliance Policy Federal laws and regulations 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 and regulations also prohibit anyone who is aware of material nonpublic information from providing this information to others who may trad

February 27, 2025 EX-10.2N

Form of Restricted Stock Unit Award Agreement, issued pursuant to the 2017 Employment Inducement Award Plan

Exhibit 10.2n PUMA BIOTECHNOLOGY, INC. 2017 EMPLOYMENT INDUCEMENT INCENTIVE AWARD PLAN RESTRICTED STOCK UNIT AWARD GRANT NOTICE Puma Biotechnology, Inc., a Delaware corporation, (the “Company”), pursuant to its 2017 Employment Incentive Award Plan (as may be amended from time to time, the “Plan”), hereby grants to the holder listed below (the “Participant”) an award of restricted stock units (the

February 27, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ 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: 001-35

February 27, 2025 EX-99.1

Puma Biotechnology Reports Fourth Quarter and Full Year 2024 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year 2024 Financial Results LOS ANGELES, Calif., Feb. 27, 2025 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2024. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2024 compared to the

February 27, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2025 PUMA BIOTECHNOLOGY, INC.

February 27, 2025 EX-21.1

Puma Biotechnology, Inc.

Exhibit 21.1 Puma Biotechnology, Inc. Subsidiary Subsidiary Jurisdiction of Incorporation or Organization Puma Biotechnology B.V. Netherlands

February 14, 2025 EX-99.1

JOINT FILING AGREEMENT

EXHIBIT 99.1 JOINT FILING AGREEMENT Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of Common Stock of Puma Biotechnology, Inc. Date: February 14, 2025 FRAZIER LIFE SCIENCES PUBLIC FUND, L.P. By: FHML

February 14, 2025 EX-1

JOINT FILING AGREEMENT

EXHIBIT 1 JOINT FILING AGREEMENT This Joint Filing Agreement dated February 14, 2025 is by and between Camber Capital Management LP, a Delaware limited partnership, and Stephen DuBois, an individual (the foregoing are collectively referred to herein as the "Filers").

February 3, 2025 EX-99.1

JOINT FILING AGREEMENT

EXHIBIT I JOINT FILING AGREEMENT This will confirm the agreement by and among the undersigned that the Schedule 13G filed with the Securities and Exchange Commission on or about the date hereof with respect to the beneficial ownership by the undersigned of the Common Stock, par value $0.

November 7, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-3570

November 7, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 7, 2024 PUMA BIOTECHNOLOGY, INC.

November 7, 2024 EX-99.1

Puma Biotechnology Reports Third Quarter 2024 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Third Quarter 2024 Financial Results LOS ANGELES, Calif., Nov. 7, 2024 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2024. Unless otherwise stated, all comparisons are for the third quarter of 2024 compared to the third quarter of 2023. Product revenu

September 16, 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): September 12, 2024 PUMA BIOTECHNO

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 12, 2024 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 001-35703 77-0683487 (State or other jurisdiction of incorporation) (Commis

August 27, 2024 S-8

As filed with the Securities and Exchange Commission on August 27, 2024

As filed with the Securities and Exchange Commission on August 27, 2024 Registration No.

August 27, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Table FORM S-8 (Form Type) Puma Biotechnology, Inc.

August 15, 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): August 14, 2024 PUMA BIOTECHNOLOG

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 14, 2024 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 001-35703 77-0683487 (State or other jurisdiction of incorporation) (Commissio

August 7, 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): August 6, 2024 PUMA BIOTECHNOLOGY

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 6, 2024 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 001-35703 77-0683487 (State or other jurisdiction of incorporation) (Commission

August 1, 2024 EX-99.1

Puma Biotechnology Reports Second Quarter Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter Financial Results LOS ANGELES, Calif., Aug. 1, 2024 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2024. Unless otherwise stated, all comparisons are for the second quarter 2024 compared to the second quarter 2023. Product revenue, net consi

August 1, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOGY, INC.

August 1, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PUM

June 24, 2024 EX-10.1

Sixth Amendment to Puma Biotechnology, Inc. 2011 Incentive Award Plan

Exhibit 10.1 SIXTH AMENDMENT TO PUMA BIOTECHNOLOGY, INC. 2011 INCENTIVE AWARD PLAN This Sixth Amendment (“Sixth Amendment”) to the Puma Biotechnology, Inc. 2011 Incentive Award Plan, as amended (the “Plan”), is adopted by the Board of Directors (the “Board”) of Puma Biotechnology, Inc., a Delaware corporation (the “Company”), effective as of June 18, 2024 (the “Amendment Effective Date”). Capitali

June 24, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 18, 2024 PUMA BIOTECHNOLOGY, INC.

May 17, 2024 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): May 17, 2024 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 001-35703 77-0683487 (State or other jurisdiction of incorporation) (Commission F

May 2, 2024 EX-99.1

Puma Biotechnology Reports First Quarter Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter Financial Results LOS ANGELES, Calif., May 2, 2024 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2024. Unless otherwise stated, all comparisons are for the first quarter 2024 compared to the first quarter 2023. Product revenue, net consists

May 2, 2024 EX-10.1

Seventh Amendment to Note Purchase Agreement and Third Amendment to Disclosure Letter, dated April 12, 2024, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent

Exhibit 10.1 SEVENTH AMENDMENT TO NOTE PURCHASE AGREEMENT AND THIRD AMENDMENT TO DISCLOSURE LETTER This SEVENTH AMENDMENT TO NOTE PURCHASE AGREEMENT AND THIRD AMENDMENT TO DISCLOSURE LETTER (this “Agreement”), dated as of April 12, 2024, is entered into by and among PUMA BIOTECHNOLOGY, INC., a Delaware corporation (the “Issuer”), the Guarantors party hereto, the Purchasers party hereto and ATHYRIU

May 2, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2024 PUMA BIOTECHNOLOGY, INC.

May 2, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PU

April 26, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

April 26, 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 ☐ Confide

March 29, 2024 EX-99.A

AGREEMENT

EX-99.A 2 d787776dex99a.htm EX-99.A EXHIBIT A AGREEMENT Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of Common Stock of Puma Biotechnology, Inc. Date: March 29, 2024 FRAZIER LIFE SCIENCES PUBLIC FU

March 29, 2024 SC 13G

PBYI / Puma Biotechnology, Inc. / Frazier Life Sciences Public Fund, L.P. - SC 13G Passive Investment

SC 13G 1 d787776dsc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.   )* Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74587V107 (CUSIP Number) March 25, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

March 19, 2024 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): March 18, 2024 PUMA BIOTECHNOLOGY, INC. (Exact name of registrant as specified in its charter) Delaware 001-35703 77-0683487 (State or other jurisdiction of incorporation) (Commission

February 29, 2024 EX-99.1

Puma Biotechnology Reports Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year 2023 Financial Results LOS ANGELES, Calif., Feb. 29, 2024 — Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2023. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2023 compared to the

February 29, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ 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: 001-35

February 29, 2024 EX-21.1

Puma Biotechnology, Inc.

Exhibit 21.1 Puma Biotechnology, Inc. Subsidiaries Subsidiary Jurisdiction of Incorporation or Organization Puma Biotechnology B.V. Netherlands

February 29, 2024 EX-97.1

Puma Biotechnology, Inc. Policy for Recovery of Erroneously Awarded Compensation

Exhibit 97.1 PUMA BIOTECHNOLOGY, INC. POLICY FOR RECOVERY OF ERRONEOUSLY AWARDED COMPENSATION Puma Biotechnology, 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

February 29, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOG

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOGY, INC.

February 14, 2024 EX-1

JOINT FILING AGREEMENT

EX-1 2 CamberPBYI-a13g2024ex1.htm JOINT FILING AGREEMENT EXHIBIT 1 JOINT FILING AGREEMENT This Joint Filing Agreement dated February 14, 2024 is by and between Camber Capital Management LP, a Delaware limited partnership, and Stephen DuBois, an individual (the foregoing are collectively referred to herein as the "Filers"). Each of the Filers may be required to file with the United States Securitie

February 14, 2024 SC 13G/A

PBYI / Puma Biotechnology, Inc. / Camber Capital Management LP - PRIMARY DOCUMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4) Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate th

February 13, 2024 SC 13G/A

PBYI / Puma Biotechnology, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01759-pumabiotechnologyinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 10)* Name of issuer: Puma Biotechnology Inc Title of Class of Securities: Common Stock CUSIP Number: 74587V107 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to

February 6, 2024 SC 13G/A

PBYI / Puma Biotechnology, Inc. / ACORN BIOVENTURES, L.P. - PUMA BIOTECHNOLOGY, INC. Passive Investment

SC 13G/A 1 p24-0350sc13ga.htm PUMA BIOTECHNOLOGY, INC. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Puma Biotechnology, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statemen

January 30, 2024 SC 13G/A

PBYI / Puma Biotechnology, Inc. / MILLENNIUM MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 2) PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) DECEMBER 31, 2023 (Date of event which requires filing of this statement) Check the appropriate box to designate th

January 18, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 18, 2024 PUMA BIOTECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 18, 2024 PUMA BIOTECHNOLOGY, INC.

January 18, 2024 EX-99.1

Presentation of Puma Biotechnology, Inc., dated January 2024.

Exhibit 99.1

November 2, 2023 EX-99.1

Puma Biotechnology Reports Third Quarter 2023 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Third Quarter 2023 Financial Results LOS ANGELES, Calif., Nov. 2, 2023 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2023. Unless otherwise stated, all comparisons are for the third quarter of 2023 compared to the third quarter of 2022. Product revenu

November 2, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-3570

November 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOGY, INC.

November 2, 2023 EX-10.2

Sixth Amendment to Note Purchase Agreement, dated September 8, 2023, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on November 2, 2023, and incorporated herein by reference)

Exhibit 10.2 SIXTH AMENDMENT TO NOTE PURCHASE AGREEMENT This SIXTH AMENDMENT TO NOTE PURCHASE AGREEMENT (this “Agreement”), dated as of September 8, 2023, is entered into by and among PUMA BIOTECHNOLOGY, INC., a Delaware corporation (the “Issuer”), the Guarantors party hereto, the Purchasers party hereto and ATHYRIUM OPPORTUNITIES IV CO-INVEST 1 LP, as the Administrative Agent. All capitalized ter

September 26, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 PUMA BIOTECHNOLO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 26, 2023 PUMA BIOTECHNOLOGY, INC.

September 1, 2023 SC 13G

PBYI / Puma Biotechnology Inc / ACORN BIOVENTURES, L.P. - PUMA BIOTECHNOLOGY, INC. Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Puma Biotechnology, Inc. (Name of Issuer) Common Stock, $0.0001 par value per share (Title of Class of Securities) 74587V107 (CUSIP Number) August 22, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant

August 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 17, 2023 PUMA BIOTECHNOLOGY,

-12-31 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 17, 2023 PUMA BIOTECHNOLOGY, INC.

August 18, 2023 EX-3.1

s Current Report on Form 8-K filed with the SEC on August 18, 2023, and incorporated herein by reference)

Exhibit 3.1 FOURTH AMENDED AND RESTATED BYLAWS OF PUMA BIOTECHNOLOGY, INC. (a Delaware Corporation) ARTICLE I STOCKHOLDERS Section 1. Certificates Representing Stock. (a) Certificates representing stock in Puma Biotechnology, Inc. (the “Corporation”) shall be signed by, or in the name of, the Corporation by two officers of the Corporation, including by the Treasurer or an Assistant Treasurer or th

August 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 PUMA BIOTECHNOLOGY,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 PUMA BIOTECHNOLOGY, INC.

August 3, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PUM

August 3, 2023 EX-99.1

Puma Biotechnology Reports Second Quarter Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter Financial Results LOS ANGELES, Calif., Aug. 3, 2023 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2023. Unless otherwise stated, all comparisons are for the second quarter of 2023 compared to the second quarter of 2022. Product revenue, net

August 3, 2023 EX-10.1

Limited Waiver and Fifth Amendment to Note Purchase Agreement, dated July 7, 2023, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 3, 2023, and incorporated herein by reference)

Exhibit 10.1 LIMITED WAIVER AND FIFTH AMENDMENT TO NOTE PURCHASE AGREEMENT This LIMITED WAIVER AND FIFTH AMENDMENT TO NOTE PURCHASE AGREEMENT (this “Agreement”), dated as of July 7, 2023, is entered into by and among PUMA BIOTECHNOLOGY, INC., a Delaware corporation (the “Issuer”), the Guarantors party hereto, the Purchasers party hereto and ATHYRIUM OPPORTUNITIES IV CO-INVEST 1 LP, as the Administ

June 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 PUMA BIOTECHNOLOGY, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 13, 2023 PUMA BIOTECHNOLOGY, INC.

May 4, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PU

May 4, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 PUMA BIOTECHNOLOGY, INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2023 PUMA BIOTECHNOLOGY, INC.

May 4, 2023 EX-99.1

Puma Biotechnology Reports First Quarter Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter Financial Results LOS ANGELES, Calif., May 4, 2023 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2023. Unless otherwise stated, all comparisons are for the first quarter of 2023 compared to the first quarter of 2022. Product revenue, net con

April 28, 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

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

April 28, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

March 2, 2023 EX-10.17C

Second Amendment to Note Purchase Agreement, dated May 18, 2022, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.17(c) to the Company’s Annual Report on Form 10-K filed with the SEC on March 2, 2023 and incorporated herein by reference)

Exhibit 10.17(c) SECOND AMENDMENT TO NOTE PURCHASE AGREEMENT This SECOND AMENDMENT TO NOTE PURCHASE AGREEMENT (the “Agreement”) dated as of May 18, 2022 is entered into by and among PUMA BIOTECHNOLOGY, INC., a Delaware corporation (the “Issuer”), the Guarantors party hereto, the Purchasers party hereto and ATHYRIUM OPPORTUNITIES IV CO-INVEST 1 LP, as the Administrative Agent. All capitalized terms

March 2, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ 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: 001-35

March 2, 2023 EX-99.1

Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results LOS ANGELES, Calif., March 2, 2023 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2022. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2022, compared to the four

March 2, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 2, 2023 PUMA BIOTECHNOLOGY, I

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 2, 2023 PUMA BIOTECHNOLOGY, INC.

March 2, 2023 EX-10.17E

Fourth Amendment to Note Purchase Agreement, dated November 29, 2022, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.17(e) to the Company’s Annual Report on Form 10-K filed with the SEC on March 2, 2023 and incorporated herein by reference)

Exhibit 10.17(e) FOURTH AMENDMENT TO NOTE PURCHASE AGREEMENT AND SECOND AMENDMENT TO DISCLOSURE LETTER This FOURTH AMENDMENT TO NOTE PURCHASE AGREEMENT AND SECOND AMENDMENT TO DISCLOSURE LETTER (the “Agreement”) dated as of November 29, 2022 is entered into by and among PUMA BIOTECHNOLOGY, INC., a Delaware corporation (the “Issuer”), the Guarantors party hereto, the Purchasers party hereto and ATH

March 2, 2023 EX-21.1

Puma Biotechnology, Inc.

Exhibit 21.1 Puma Biotechnology, Inc. Subsidiaries Subsidiary Jurisdiction of Incorporation or Organization Puma Biotechnology B.V. Netherlands

February 14, 2023 EX-1

JOINT FILING AGREEMENT

EX-1 2 camberPBYI-13ga2023ex1.htm JOINT FILING AGREEMENT EXHIBIT 1 JOINT FILING AGREEMENT This Joint Filing Agreement dated February 14, 2023 is by and between Camber Capital Management LP, a Delaware limited partnership, and Stephen DuBois, an individual (the foregoing are collectively referred to herein as the "Filers"). Each of the Filers may be required to file with the United States Securitie

February 14, 2023 SC 13G/A

PBYI / Puma Biotechnology Inc / Camber Capital Management LP - PRIMARY DOCUMENT Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3) Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate th

February 9, 2023 SC 13G/A

PBYI / Puma Biotechnology 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.: 9)* Name of issuer: Puma Biotechnology Inc. Title of Class of Securities: Common Stock CUSIP Number: 74587V107 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 file

January 19, 2023 SC 13G/A

PBYI / Puma Biotechnology Inc / MILLENNIUM MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 1) PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) DECEMBER 31, 2022 (Date of event which requires filing of this statement) Check the appropriate box to designate th

January 9, 2023 EX-99.1

Presentation of Puma Biotechnology, Inc., dated January 2023.

EX-99.1 2 ex461383.htm EXHIBIT 99.1 Exhibit 99.1

January 9, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2023 PUMA BIOTECHNOLOGY,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2023 PUMA BIOTECHNOLOGY, INC.

December 16, 2022 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 13, 2022 PUMA BIOTECHNOLOGY, INC.

December 13, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 9, 2022 PUMA BIOTECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 9, 2022 PUMA BIOTECHNOLOGY, INC.

December 13, 2022 SC 13D/A

PBYI / Puma Biotechnology Inc / AUERBACH ALAN H - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) Alan H. Auerbach 10880 Wilshire Boulevard, Suite 2150 Los Angeles, CA 90024 Telephone : (424) 248-6500 Copy to : B

December 13, 2022 EX-10.1

Securities Purchase Agreement, dated December 9, 2022, by and between Puma Biotechnology, Inc. and Alan H. Auerbach.

Exhibit 10.1 PUMA BIOTECHNOLOGY, INC. SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (“Agreement”) is made as of December 9, 2022 (the “Agreement Date”), by and among Puma Biotechnology, Inc., a Delaware corporation (the “Company”), and Alan H. Auerbach (the “Purchaser”). AGREEMENT In consideration of the mutual covenants contained in this Agreement, and for other good and valuab

December 9, 2022 EX-99.1

Presentation Poster of Puma Biotechnology, Inc., dated December 9, 2022.

Exhibit 99.1

December 9, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 9, 2022 PUMA BIOTECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 9, 2022 PUMA BIOTECHNOLOGY, INC.

December 8, 2022 EX-99.1

Presentation Poster of Puma Biotechnology, Inc., dated December 7, 2022.

Exhibit 99.1

December 8, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 7, 2022 PUMA BIOTECHNOLOGY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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): December 7, 2022 PUMA BIOTECHNOLOGY, INC.

December 8, 2022 EX-99.2

Puma Biotechnology Presents Updated Findings from the TBCRC-022 Trial at the 2022 San Antonio Breast Cancer Symposium

Exhibit 99.2 News Release Puma Biotechnology Presents Updated Findings from the TBCRC-022 Trial at the 2022 San Antonio Breast Cancer Symposium LOS ANGELES, Calif., Dec. 7, 2022 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, presented updated findings from the Translational Breast Cancer Research Consortium (TBCRC) Trial 022 at the ongoing 2022 San Antonio Breast Cancer Sy

November 10, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 7, 2022 PUMA BIOTECHNOLOGY, INC.

November 10, 2022 EX-99.1

SETTLEMENT AGREEMENT AND RELEASE

Exhibit 99.1 SETTLEMENT AGREEMENT AND RELEASE This Settlement Agreement and Release (the ?Agreement?) is made and entered into effective as of the date of the last signature to this Agreement (the ?Effective Date?), by and among Puma Biotechnology, Inc. (?Puma?) and Fredric N. Eshelman (?Eshelman?), each individually a ?Party? and collectively the ?Parties.? RECITALS WHEREAS, on February 2, 2016,

November 3, 2022 EX-99.1

Puma Biotechnology Reports Third Quarter 2022 Financial Results ● Raises FY 2022 NERLYNX Net Product Revenue Guidance

Exhibit 99.1 News Release Puma Biotechnology Reports Third Quarter 2022 Financial Results ? Raises FY 2022 NERLYNX Net Product Revenue Guidance LOS ANGELES, Calif., Nov. 3, 2022 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2022. Unless otherwise stated, all comparisons are for the third quarter of 2022

November 3, 2022 EX-10.1

Third Amendment to Note Purchase Agreement, dated September 16, 2022, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on November 3, 2022 and incorporated herein by reference)

Exhibit 10.1 Execution Version THIRD AMENDMENT TO NOTE PURCHASE AGREEMENT This THIRD AMENDMENT TO NOTE PURCHASE AGREEMENT (the ?Agreement?) dated as of September 16, 2022 is entered into by and among PUMA BIOTECHNOLOGY, INC., a Delaware corporation (the ?Issuer?), the Guarantors party hereto, the Purchasers party hereto and ATHYRIUM OPPORTUNITIES IV CO-INVEST 1 LP, as the Administrative Agent. All

November 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 3, 2022 PUMA BIOTECHNOLOGY, INC.

November 3, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-3570

November 3, 2022 EX-10.2

Exclusive License Agreement, dated September 16, 2022, by and between the Company and Millennium Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on November 3, 2022 and incorporated herein by reference)

Exhibit 10.2 Execution Version [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. EXCLUSIVE LICENSE AGREEMENT This EXCLUSIVE LICENSE AGREEMENT (this ?Agreement?) is entered into as of September [?], 2022 (the ?Effective Da

September 22, 2022 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2022 PUMA BIOTECHNOLOGY, INC.

August 10, 2022 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 10, 2022 PUMA BIOTECHNOLOGY, INC.

August 4, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 4, 2022 PUMA BIOTECHNOLOGY, INC.

August 4, 2022 EX-99.1

Puma Biotechnology Reports Second Quarter 2022 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter 2022 Financial Results LOS ANGELES, Calif., Aug. 4, 2022 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2022. Unless otherwise stated, all comparisons are for the second quarter of 2022 compared to the second quarter of 2021. Product revenue

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PUM

August 2, 2022 424B3

PUMA BIOTECHNOLOGY, INC. 1,792,114 Shares of Common Stock

Table of Contents PROSPECTUS Filed pursuant to Rule 424(b)(3) Registration No. 333-266306 PUMA BIOTECHNOLOGY, INC. 1,792,114 Shares of Common Stock The Selling Stockholder (as defined herein) may offer and sell up to 1,792,114 shares of common stock, par value $0.0001 per share, from time to time in one or more offerings. This prospectus provides you with a general description of the securities. W

August 2, 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, DC 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, 2022 PUMA BIOTECHNOLOGY, INC.

July 28, 2022 CORRESP

Puma Biotechnology, Inc. 10880 Wilshire Boulevard, Suite 2150 Los Angeles, CA 90024

Puma Biotechnology, Inc. 10880 Wilshire Boulevard, Suite 2150 Los Angeles, CA 90024 July 28, 2022 Via EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attention: Tim Buchmiller Re: Puma Biotechnology, Inc. Registration Statement on Form S-3 (Registration No. 333-266306) Ladies and Gentlemen: In accordance with Rule 461 of Regulation C

July 25, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Puma Biotechnology, Inc.

July 25, 2022 S-3

As filed with the Securities and Exchange Commission on July 22, 2022

Table of Contents As filed with the Securities and Exchange Commission on July 22, 2022 Registration No.

July 25, 2022 EX-10.1

Securities Purchase Agreement, dated March 8, 2022, by and between Puma Biotechnology, Inc. and the Purchasers listed on the Schedule of Purchasers thereto

Exhibit 10.1 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. PUMA BIOTECHNOLOGY, INC. SECURITIES PURCHASE AGREEMENT This Securities Purchase Agreement (?Agreement?) is made as of March 8, 2022 (the ?Agreement Date?), by

June 17, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 14, 2022 PUMA BIOTECHNOLOGY, INC.

May 5, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-35703 PU

May 5, 2022 EX-10.1

Amended Non-Employee Director Compensation Program, dated April 27, 2022 (filed as Exhibit 10.1 to the Company’s Current Report on Form 10-Q filed with the SEC on May 5, 2022 and incorporated herein by reference)

Exhibit 10.1 Puma Biotechnology, Inc. Non-Employee Director Compensation Program (Effective April 27, 2022) Non-employee members of the board of directors (the ?Board?) of Puma Biotechnology, Inc. (the ?Company?) shall be eligible to receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this ?Program?). The cash and equity compensation described in t

May 5, 2022 EX-99.1

Puma Biotechnology Reports First Quarter 2022 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter 2022 Financial Results LOS ANGELES, Calif., May 5, 2022 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2022. Unless otherwise stated, all comparisons are for the first quarter of 2022 compared to the first quarter of 2021. Product revenue, ne

May 5, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2022 PUMA BIOTECHNOLOGY, INC.

April 29, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

April 29, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 pbyi20211123def14a.htm FORM DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission

March 15, 2022 SC 13D/A

PBYI / Puma Biotechnology Inc / AUERBACH ALAN H - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) Alan H. Auerbach 10880 Wilshire Boulevard, Suite 2150 Los Angeles, CA 90024 Telephone : (424) 248-6500 Copy to : B

March 14, 2022 8-K

Entry into a Material Definitive Agreement, Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2022 PUMA BIOTECHNOLOGY, INC.

March 14, 2022 EX-99.1

Puma Biotechnology Announces $10 Million Private Placement

Exhibit 99.1 News Release Puma Biotechnology Announces $10 Million Private Placement LOS ANGELES, Calif., March 10, 2022 - Puma Biotechnology, Inc. (the Company) (Nasdaq: PBYI), a biopharmaceutical company, announced that it has entered into a securities purchase agreement with Alan H Auerbach, the Company?s Chief Executive Officer, President and Chairman of the Board, as well as a fund of Athyriu

March 3, 2022 EX-21.1

Puma Biotechnology, Inc.

Exhibit 21.1 Puma Biotechnology, Inc. Subsidiaries Subsidiary Jurisdiction of Incorporation or Organization Puma Biotechnology Ltd England and Wales Puma Biotechnology B.V. Netherlands

March 3, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934exhibit 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:

March 3, 2022 EX-99.1

Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results LOS ANGELES, Calif., March 3, 2022 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2021. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2021, compared to the four

March 3, 2022 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 3, 2022 PUMA BIOTECHNOLOGY, INC.

March 3, 2022 EX-10.18B

First Amendment to Note Purchase Agreement, dated February 8, 2022, by and between the Company and Athyrium Opportunities IV CO-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.18(b) to the Company’s Annual Report on Form 10-K filed with the SEC on March 3, 2022 and incorporated herein by reference)

Exhibit 10.18(b) [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. FIRST AMENDMENT TO NOTE DOCUMENTS This FIRST AMENDMENT TO NOTE DOCUMENTS (the ?Agreement?) dated as of February 8, 2022 is entered into by and among PUMA

February 14, 2022 SC 13G/A

PBYI / Puma Biotechnology Inc / Camber Capital Management LP - PRIMARY DOCUMENT Passive Investment

SC 13G/A 1 CamberPBYI-202113G.htm PRIMARY DOCUMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this S

February 14, 2022 EX-1

JOINT FILING AGREEMENT

EXHIBIT 1 JOINT FILING AGREEMENT This Joint Filing Agreement dated February 14, 2022 is by and between Camber Capital Management LP, a Delaware limited partnership, and Stephen DuBois, an individual (the foregoing are collectively referred to herein as the "Filers").

February 11, 2022 SC 13G/A

PBYI / Puma Biotechnology Inc / Flynn James E Passive Investment

SC 13G/A 1 e621313sc13ga-puma.htm SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 2) * Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74587V107 (CUSIP Number) December 3

February 10, 2022 SC 13G/A

PBYI / Puma Biotechnology 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.: 8)* Name of issuer: Puma Biotechnology Inc. Title of Class of Securities: Common Stock CUSIP Number: 74587V107 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is file

January 14, 2022 SC 13G

PBYI / Puma Biotechnology Inc / MILLENNIUM MANAGEMENT LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) JANUARY 6, 2022 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to w

January 10, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 10, 2022 PUMA BIOTECHNOLOGY, INC.

January 10, 2022 EX-99.1

Presentation of Puma Biotechnology, Inc., dated January 2022

Exhibit 99.1

December 14, 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, DC 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): December 9, 2021 PUMA BIOTECHNOLOGY, INC.

November 19, 2021 SC 13G

PBYI / Puma Biotechnology Inc / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

SC 13G 1 PBYISC13G2021.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) NOVEMBER 10, 2021 (Date of event which requires filing of this statement) Check the appropriate box to des

November 10, 2021 SC 13G/A

PBYI / Puma Biotechnology Inc / ALGER ASSOCIATES INC - PUMA BIOTECHNOLOGY, INC. Passive Investment

Puma Biotechnology, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74587V107 (CUSIP Number) October 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

November 4, 2021 EX-10.1

Note Purchase Agreement, dated July 23, 2021, by and between the Company and Athyrium Opportunities IV Co-Invest 1 LP, as Administrative Agent (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on November 4, 2021 and incorporated herein by reference)

Exhibit 10.1 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. THE NOTES ISSUED UNDER THIS NOTE PURCHASE AGREEMENT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE ?SECURITIES ACT?), OR QUALIFIED

November 4, 2021 EX-99.1

Puma Biotechnology Reports Third Quarter 2021 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Third Quarter 2021 Financial Results LOS ANGELES, Calif., Nov. 4, 2021 - Puma Biotechnology, Inc. (Nasdaq: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2021. Unless otherwise stated, all comparisons are for the third quarter of 2021 compared to the third quarter of 2020. Product revenu

November 4, 2021 424B5

$50,000,000 Common Stock

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement No. 333-257687 PROSPECTUS SUPPLEMENT (To Prospectus dated July 13, 2021) $50,000,000 Common Stock We have entered into an Open Market Sale AgreementSM (the ?Sale Agreement?) with Jefferies LLC (?Jefferies?), relating to shares of our common stock offered by this prospectus supplement and the accompanying prospectus. In accor

November 4, 2021 8-K

Entry into 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): November 4, 2021 PUMA BIOTECHNOLOGY, INC. (Exact name of Registrant as Specified in Its Charter) Delaware 001-35703 77-0683487 (State or Other Jurisdiction of Incorporation) (Commissi

November 4, 2021 EX-1.1

Open Market Sale AgreementSM, dated November 4, 2021, by and between the Company and Jeffries LLC (filed as Exhibit 1.1 to the Company’s Current Report on Form 8-K filed with the SEC on November 4, 2021 and incorporated herein by reference)

EX-1.1 2 ex302823.htm EXHIBIT 1.1 Exhibit 1.1 OPEN MARKET SALE AGREEMENTSM November 4, 2021 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: Puma Biotechnology, Inc., a Delaware corporation (the “Company”), proposes, subject to the terms and conditions stated herein, to issue and sell from time to time through Jefferies LLC, as sales agent and/or principal (the “Agen

November 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents 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: 001-3570

November 4, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 4, 2021 PUMA BIOTECHNOLOGY, INC.

September 16, 2021 S-8

As filed with the Securities and Exchange Commission on September 16, 2021

As filed with the Securities and Exchange Commission on September 16, 2021 Registration No.

September 16, 2021 EX-99.12

Second Amendment to Puma Biotechnology, Inc. 2017 Incentive Award Plan (filed as Exhibit 99.12 to the Company's Current Report on Form S-8 filed with the SEC on September 16, 2021 and incorporated herein by reference)

Exhibit 99.12 SECOND AMENDMENT TO THE PUMA BIOTECHNOLOGY, INC. 2017 EMPLOYMENT INDUCEMENT INCENTIVE AWARD PLAN THIS SECOND AMENDMENT TO THE PUMA BIOTECHNOLOGY, INC. 2017 EMPLOYMENT INDUCEMENT INCENTIVE AWARD PLAN (this ?Amendment?), effective as of July 15, 2021 (the ?Amendment Effective Date?), is made and adopted by the Board of Directors (the ?Board?) of Puma Biotechnology, Inc., a Delaware cor

September 16, 2021 EX-99.9

Form of Restricted Stock Unit Award Agreement, issued pursuant to the 2011 Incentive Award Plan

Exhibit 99.9 PUMA BIOTECHNOLOGY, INC. 2011 INCENTIVE AWARD PLAN RESTRICTED STOCK UNIT AWARD GRANT NOTICE Puma Biotechnology, Inc., a Delaware corporation, (the ?Company?), pursuant to its 2011 Incentive Award Plan (as may be amended from time to time, the ?Plan?), hereby grants to the holder listed below (the ?Participant?) an award of restricted stock units (the ?RSUs?). Each RSU represents the r

August 5, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOGY, INC.

August 5, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 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, 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: 001-35703 PUMA BIOTECHNOLOGY, I

August 5, 2021 EX-99.1

Puma Biotechnology Reports Second Quarter 2021 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter 2021 Financial Results LOS ANGELES, Calif., Aug. 5, 2021 ? Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2021. Unless otherwise stated, all comparisons are for the second quarter of 2021 compared to the second quarter of 2020. Product revenue

July 29, 2021 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, DC 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 23, 2021 PUMA BIOTECHNOLOGY, INC.

July 14, 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, DC 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 8, 2021 PUMA BIOTECHNOLOGY, INC.

July 8, 2021 CORRESP

Puma Biotechnology, Inc. 10880 Wilshire Boulevard, Suite 2150 Los Angeles, CA 90024

Puma Biotechnology, Inc. 10880 Wilshire Boulevard, Suite 2150 Los Angeles, CA 90024 July 8, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, DC 20549 Attention: Laura Crotty Re: Puma Biotechnology, Inc. Registration Statement on Form S-3 (Registration No. 333-257687) Ladies and Gentlemen: In accordance with Rule 461 of Regulation C of

July 2, 2021 S-3

As filed with the Securities and Exchange Commission on July 2, 2021

Table of Contents As filed with the Securities and Exchange Commission on July 2, 2021 Registration No.

June 25, 2021 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 23, 2021 PUMA BIOTECHNOLOGY, INC.

June 17, 2021 EX-4.1

Amendment to Warrant to Purchase Shares of Common Stock of Puma Biotechnology, Inc., dated April 1, 2021, by and between the Company and Alan H. Auerbach (filed as Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 17, 2021 and incorporated herein by reference)

Exhibit 4.1 PUMA BIOTECHNOLOGY, INC. AMENDMENT TO WARRANT TO PURCHASE SHARES OF COMMON STOCK THIS AMENDMENT TO WARRANT TO PURCHASE SHARES OF COMMON STOCK (this ?Amendment?) is made as of April 1, 2021 (the ?Effective Date?), by and between Puma Biotechnology, Inc. (the ?Company?) and Alan H. Auerbach (the ?Holder?). Capitalized terms used and not otherwise defined herein shall have the meanings as

June 17, 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, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2021 PUMA BIOTECHNOLOGY, INC.

June 17, 2021 EX-10.1

Fifth Amendment to Puma Biotechnology, Inc. 2011 Incentive Award Plan (filed as Exhibit 10.1 to the Company’s Current Report on Form 8-K filed with the SEC on June 17, 2021 and incorporated herein by reference)

Exhibit 10.1 FIFTH AMENDMENT TO PUMA BIOTECHNOLOGY, INC. 2011 INCENTIVE AWARD PLAN This Fifth Amendment (?Fifth Amendment?) to the Puma Biotechnology, Inc. 2011 Incentive Award Plan, as amended (the ?Plan?), is adopted by the Board of Directors (the ?Board?) of Puma Biotechnology, Inc., a Delaware corporation (the ?Company?), effective as of April 1, 2021 (the ?Effective Date?). Capitalized terms

May 6, 2021 EX-99.1

Puma Biotechnology Reports First Quarter 2021 Financial Results

Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter 2021 Financial Results LOS ANGELES, Calif., May 6, 2021 ? Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2021. Unless otherwise stated, all comparisons are for the first quarter of 2021 compared to the first quarter of 2020. Product revenue, ne

May 6, 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: 001-35703 PUMA BIOTECHNOLOGY,

May 6, 2021 EX-10.2

Termination Agreement, dated February 24, 2021, by and between the Company and CANbridge BIOMED Limited (filed as Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on May 6, 2021 and incorporated herein by reference)

Exhibit 10.2 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. TERMINATION AGREEMENT This TERMINATION AGREEMENT (this ?Agreement?) is made and entered into effective as of February 24, 2021 (the ?Effective Date?), by and

May 6, 2021 EX-10.1

Fourth Amendment to Amended and Restated Loan and Security Agreement, dated February 3, 2021, by and between the Company and Oxford Finance LLC, as collateral agent and Lender

Exhibit 10.1 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. FOURTH AMENDMENT TO amended and restated LOAN AND SECURITY AGREEMENT THIS FOURTH AMENDMENT to Amended and Restated Loan and Security Agreement (this ?Amendmen

May 6, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 6, 2021 PUMA BIOTECHNOLOGY, INC.

May 6, 2021 EX-10.3

Amendment No. 3 to the License Agreement, dated February 24, 2021, by and between the Company and Pierre Fabre Medicament SAS (filed as Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on May 6, 2021 and incorporated herein by reference)

Exhibit 10.3 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. Amendment n?3 to License Agreement This amendment n?3 (this ?Amendment?) is entered into as of February 24, 2021 (the ?Amendment 3 Effective Date?), by and be

April 26, 2021 DEF 14A

Schedule 14A,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

April 26, 2021 DEFA14A

- DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

April 2, 2021 PRE 14A

- PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule 14a-6(e)(2)) ? Definitive Proxy State

March 29, 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, DC 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 23, 2021 PUMA BIOTECHNOLOGY, INC.

March 1, 2021 EX-10.19

Letter Agreement, dated February 13, 2020, by and between the Company and Jeff J. Ludwig (filed as Exhibit 10.19 to the Company's Annual Report on Form 10-K filed with the SEC on March 1, 2021 and incorporated herein by reference)

Exhibit 10.19 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. February 13, 2020 Jeff J. Ludwig via E-mail Re:EMPLOYMENT OFFER LETTER Dear Jeff: Puma Biotechnology, Inc., a Delaware corporation (the ?Company?) is pleased

March 1, 2021 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? 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: 001-35703 PUMA BIOTECHNO

March 1, 2021 EX-21.1

Puma Biotechnology, Inc.

Exhibit 21.1 Puma Biotechnology, Inc. Subsidiaries Subsidiary Jurisdiction of Incorporation or Organization Puma Biotechnology Ltd England and Wales Puma Biotechnology B.V. Netherlands

March 1, 2021 EX-10.1(D)

Amendment No. 2 to License Agreement dated October 29, 2020, between the Company and Pfizer Inc. (filed as Exhibit 10.1(d) to the Company's Annual Report on Form 10-K filed with the SEC on March 1, 2021 and incorporated by reference)

Exhibit 10.1(d) [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. October 29, 2020 Puma Biotechnology, Inc. 10880 Wilshire Blvd., Suite 2150 Los Angeles, CA 90024 Attention: Alan Auerbach Re:Amendment No. 2 to the License

February 25, 2021 EX-99.1

# # # # # (Financial Tables Follow)

Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results LOS ANGELES, Calif., Feb. 25, 2021 ? Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2020. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2020, compared to the four

February 25, 2021 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 PUMA BIOTECHNOLOGY, INC.

February 23, 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, DC 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 17, 2021 PUMA BIOTECHNOLOGY, INC.

February 16, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) (CUSIP Number) Dece

Puma Biotechnology, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

February 16, 2021 EX-1

JOINT FILING AGREEMENT

EXHIBIT 1 JOINT FILING AGREEMENT This Joint Filing Agreement dated February 16, 2021 is by and between Camber Capital Management LP, a Delaware limited partnership, and Stephen DuBois, an individual (the foregoing are collectively referred to herein as the "Filers").

February 16, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendement No. 1) Puma Biotechnology, Inc (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Se

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendement No. 1) Puma Biotechnology, Inc (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate th

February 12, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 1) * Puma

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

February 12, 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) Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Se

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate th

February 11, 2021 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 3, 2021 PUMA BIOTECHNOLOGY, INC.

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.: 7)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Puma Biotechnology Inc. Title of Class of Securities: Common Stock CUSIP Number: 74587V107 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 file

February 9, 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. 2) PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Se

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 2) PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) DECEMBER 31, 2020 (Date of event which requires filing of this statement) Check the appropriate box to designate th

November 5, 2020 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2020 PUMA BIOTECHNOLOGY, INC.

November 5, 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: 001-35703 PUMA BIOTECHNOLO

November 5, 2020 EX-99.1

Puma Biotechnology Reports Third Quarter 2020 Financial Results

EX-99.1 2 d70641dex991.htm EX-99.1 Exhibit 99.1 News Release Puma Biotechnology Reports Third Quarter 2020 Financial Results LOS ANGELES, Calif., Nov. 5, 2020 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2020. Unless otherwise stated, all comparisons are for the third quarter of 2020 compared to the th

August 10, 2020 SC 13G

PBYI / Puma Biotechnology Inc. / Flynn James E Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

August 6, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 6, 2020 PUMA BIOTECHNOLOGY, INC.

August 6, 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: 001-35703 PUMA BIOTECHNOLOGY, I

August 6, 2020 EX-10.3

Second Amendment to Amended and Restated Loan and Security Agreement, dated July 6, 2020, by and between the Company and Oxford Finance LLC, as collateral agent and Lender

Exhibit 10.3 SECOND AMENDMENT TO amended and restated LOAN AND SECURITY AGREEMENT THIS SECOND AMENDMENT to Amended and Restated Loan and Security Agreement (this “Amendment”) is entered into as of July 6, 2020, by and between OXFORD FINANCE LLC, a Delaware limited liability company with an office located at 133 North Fairfax Street, Alexandria, Virginia 22314 (“Oxford”), as collateral agent (in su

August 6, 2020 EX-99.1

Puma Biotechnology Reports Second Quarter 2020 Financial Results

EX-99.1 Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter 2020 Financial Results LOS ANGELES, Calif., Aug. 6, 2020 - Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2020. Unless otherwise stated, all comparisons are for the second quarter of 2020 compared to the second quarter of 2019. Product

August 6, 2020 EX-10.2

Pfizer Letter Agreement dated June 8, 2020, by and between the Company and Pfizer Inc. (filed as Exhibit 10.2 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 6, 2020 and incorporated herein by reference)

Exhibit 10.2 Pfizer Inc. 500 Arcola Road Dock E – D 4214 Collegeville, PA 19426 [email protected] [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. June 8, 2020 Mr. Alan H. Auerbach (via Electronic Mail) Chief Execut

August 6, 2020 EX-10.4

Third Amendment to Amended and Restated Loan and Security Agreement, dated August 5, 2020, by and between the Company and Oxford Finance LLC, as collateral agent and Lender

Exhibit 10.4 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. THIRD AMENDMENT TO amended and restated LOAN AND SECURITY AGREEMENT THIS THIRD AMENDMENT to Amended and Restated Loan and Security Agreement (this “Amendment”

July 8, 2020 8-K

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

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 5, 2020 PUMA BIOTECHNOLOGY, INC.

June 30, 2020 SC 13G

PBYI / Puma Biotechnology Inc. / Camber Capital Management LLC - PRIMARY DOCUMENT Passive Investment

SC 13G 1 camberPBYI-202013g.htm PRIMARY DOCUMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Puma Biotechnology, Inc (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) June 18, 2020 (Date of Event Which Requires Filing of this Statement) Check the appro

June 30, 2020 EX-1

JOINT FILING AGREEMENT

EX-1 2 PBYI13g2020ex1.htm JOINT FILING AGREEMENT EXHIBIT 1 JOINT FILING AGREEMENT This Joint Filing Agreement dated June 29, 2020 is by and between Camber Capital Management LP, a Delaware limited partnership, and Stephen DuBois, an individual (the foregoing are collectively referred to herein as the "Filers"). Each of the Filers may be required to file with the United States Securities and Exchan

June 12, 2020 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, DC 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 8, 2020 PUMA BIOTECHNOLOGY, INC.

June 11, 2020 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 9, 2020 PUMA BIOTECHNOLOGY, INC.

May 7, 2020 EX-99.1

Puma Biotechnology Reports First Quarter 2020 Financial Results

EX-99.1 Exhibit 99.1 News Release Puma Biotechnology Reports First Quarter 2020 Financial Results LOS ANGELES, Calif., May 7, 2020 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the first quarter ended March 31, 2020. Unless otherwise stated, all comparisons are for the first quarter of 2020 compared to the first quarter of 2019. Product rev

May 7, 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: 001-35703 PUMA BIOTECHNOLOGY,

May 7, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2020 PUMA BIOTECHNOLOGY, INC.

May 7, 2020 EX-10.3

Amended Non-Employee Director Compensation Program (filed as Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on May 7, 2020 and incorporated herein by reference)

Exhibit 10.3 Puma Biotechnology, Inc. Non-Employee Director Compensation Program (Effective January 1, 2020) Non-employee members of the board of directors (the “Board”) of Puma Biotechnology, Inc. (the “Company”) shall be eligible to receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in

April 27, 2020 DEF 14A

- DEF 14A

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

April 27, 2020 DEFA14A

- DEFA14A

DEFA14A 1 d900277ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A 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 the Commission Only (as permitted by Rule

March 26, 2020 SC 13G

PBYI / Puma Biotechnology Inc. / EcoR1 Capital, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) Puma Biotechnology, Inc. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) March 16, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

March 23, 2020 8-K

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 16, 2020 PUMA BIOTECHNOLOGY, INC.

March 4, 2020 EX-10.1

First Amendment to Amended and Restated Loan and Security Agreement, dated February 27, 2020, by and between the Company and Oxford Finance LLC, as collateral agent and Lender

EX-10.1 Exhibit 10.1 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. FIRST AMENDMENT TO AMENDED AND RESTATED LOAN AND SECURITY AGREEMENT THIS FIRST AMENDMENT to Amended and Restated Loan and Security Agreement (this “Am

March 4, 2020 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 27, 2020 PUMA BIOTECHNOLOGY, INC.

February 28, 2020 EX-99.2

First Amendment to Puma Biotechnology, Inc. 2017 Employment Inducement Incentive Award Plan (filed as Exhibit 99.2 to the Company’s Registration Statement on Form S-8 filed with the SEC on February 28, 2020 and incorporated herein by reference)

EX-99.2 4 d878257dex992.htm EX-99.2 Exhibit 99.2 FIRST AMENDMENT TO THE PUMA BIOTECHNOLOGY, INC. 2017 EMPLOYMENT INDUCEMENT INCENTIVE AWARD PLAN THIS FIRST AMENDMENT TO THE PUMA BIOTECHNOLOGY, INC. 2017 EMPLOYMENT INDUCEMENT INCENTIVE AWARD PLAN (this “Amendment”), effective as of February 8, 2020 (the “Amendment Effective Date”), is made and adopted by the Board of Directors (the “Board”) of Puma

February 28, 2020 10-K

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ 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: 001-35703 PUMA BIOTECHNO

February 28, 2020 EX-10.17(B)

Amendment to the License Agreement, dated December 18, 2019, by and between the Company and Knight Therapeutics, Inc. (filed as Exhibit 10.17(b) to the Company’s Annual Report on Form 10-K filed with the SEC on February 28, 2020 and incorporated herein by reference)

EX-10.17(B) 3 pbyi-ex1017b376.htm EX-10.17(B) Exhibit 10.17(b) [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. AMENDING AGREEMENT Nerlynx License Agreement THIS AGREEMENT made effective as of the 18th day of December, 2

February 28, 2020 EX-10.18(B)

First Amendment to the License Agreement, dated September 17, 2019, by and between the Company and Pierre Fabre Medicament SAS (filed as Exhibit 10.18(b) to the Company’s Annual Report on Form 10-K filed with the SEC on February 28, 2020 and incorporated herein by reference)

Exhibit 10.18(b) [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. FIRST AMENDMENT TO LICENSE AGREEMENT This First Amendment (the “First Amendment”), effective as of September 17, 2019 (“Effective Date of the First Amendm

February 28, 2020 EX-4.3

Description of the Company’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 (filed as Exhibit 4.3 to the Company’s Annual Report on Form 10-K filed with the SEC on February 28, 2020 and incorporated herein by reference)

Exhibit 4.3 Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 Except as otherwise indicated herein or as the context otherwise requires, references in this exhibit to “we,” “us,” “our” and “our company” refer to Puma Biotechnology, Inc. The following description of our common stock and certain provisions of our second amended and re

February 28, 2020 EX-10.18(C)

Second Amendment to the License Agreement, dated November 25, 2019, by and between the Company and Pierre Fabre Medicament SAS (filed as Exhibit 10.18(c) to the Company’s Annual Report on Form 10-K filed with the SEC on February 28, 2020 and incorporated herein by reference)

Exhibit 10.18(c) [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. SECOND AMENDMENT TO LICENSE AGREEMENT This Second Amendment (the “Second Amendment”), effective as of November 25, 2019 (“Effective Date of the Second Ame

February 28, 2020 EX-21.1

Puma Biotechnology, Inc.

Exhibit 21.1 Puma Biotechnology, Inc. Subsidiaries Subsidiary Jurisdiction of Incorporation or Organization Puma Biotechnology Ltd England and Wales Puma Biotechnology B.V. Netherlands

February 28, 2020 S-8

Form S-8

S-8 As filed with the Securities and Exchange Commission on February 27, 2020 Registration No.

February 20, 2020 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2020 PUMA BIOTECHNOLOGY, INC.

February 20, 2020 EX-99.1

Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results

EX-99.1 Exhibit 99.1 News Release Puma Biotechnology Reports Fourth Quarter and Full Year Financial Results LOS ANGELES, Calif., Feb. 20, 2020 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the fourth quarter and year ended December 31, 2019. Unless otherwise stated, all comparisons are for the fourth quarter and full year 2019, compared to

February 14, 2020 SC 13G/A

PBYI / Puma Biotechnology Inc. / Partner Fund Management, L.P. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G (Rule 13d-102) Information Statement Pursuant to Rules 13d-1 and 13d-2 Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Puma Biotechnology, Inc. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 74587V107 (CUSIP Number) December 31, 2019 Date of Event Which Requ

February 14, 2020 SC 13G/A

PBYI / Puma Biotechnology Inc. / ORBIMED ADVISORS LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 12, 2020 SC 13G/A

PBYI / Puma Biotechnology 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.: 6)* Name of issuer: Puma Biotechnology Inc Title of Class of Securities: Common Stock CUSIP Number: 74587V107 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed

February 3, 2020 SC 13G/A

PBYI / Puma Biotechnology Inc. / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 1) PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) DECEMBER 31, 2019 (Date of event which requires filing of this statement) Check the appropriate box to designate th

January 13, 2020 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2020 PUMA BIOTECHNOLOGY, INC.

January 13, 2020 EX-99.1

Puma Biotechnology J.P. Morgan 2020 Healthcare Conference January 2020 Copyright 2020 Puma Biotechnology

EX-99.1 Exhibit 99.1 Puma Biotechnology J.P. Morgan 2020 Healthcare Conference January 2020 Copyright 2020 Puma Biotechnology Forward-Looking Safe Harbor Statement This presentation contains forward-looking statements, including statements regarding the benefits of NERLYNX® (neratinib) and neratinib, the commercialization of NERLYNX, the potential indications of our drug candidates and the develop

December 2, 2019 8-K

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 25, 2019 PUMA BIOTECHNOLOGY, INC.

November 20, 2019 SC 13G

PBYI / Puma Biotechnology Inc. / INTEGRATED CORE STRATEGIES (US) LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 PUMA BIOTECHNOLOGY, INC. (Name of Issuer) COMMON STOCK, PAR VALUE $0.0001 PER SHARE (Title of Class of Securities) 74587V107 (CUSIP Number) NOVEMBER 14, 2019 (Date of event which requires filing of this statement) Check the appropriate box to designate the rule pursuant to

November 13, 2019 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, DC 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 12, 2019 PUMA BIOTECHNOLOGY, INC.

November 8, 2019 SC 13G/A

PBYI / Puma Biotechnology 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: Puma Biotechnology Inc Title of Class of Securities: Common Stock CUSIP Number: 74587V107 Date of Event Which Requires Filing of this Statement: October 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

November 7, 2019 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, 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: 001-35703 PUMA BIOTECHNOLO

November 7, 2019 EX-10.1

Amended Non-Employee Director Compensation Program

Exhibit 10.1 Puma Biotechnology, Inc. Non-Employee Director Compensation Program (Effective September 10, 2019) Non-employee members of the board of directors (the “Board”) of Puma Biotechnology, Inc. (the “Company”) shall be eligible to receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described

November 6, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 6, 2019 PUMA BIOTECHNOLOGY, INC.

November 6, 2019 EX-99.1

Puma Biotechnology Reports Third Quarter 2019 Financial Results

EX-99.1 Exhibit 99.1 News Release Puma Biotechnology Reports Third Quarter 2019 Financial Results LOS ANGELES, Calif., Nov. 6, 2019 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the third quarter ended September 30, 2019. Unless otherwise stated, all comparisons are for the third quarter 2019 compared to the third quarter 2018. Product reve

October 17, 2019 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, DC 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 15, 2019 PUMA BIOTECHNOLOGY, INC.

October 8, 2019 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, DC 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 4, 2019 PUMA BIOTECHNOLOGY, INC.

August 9, 2019 EX-10.1

Amended and Restated Loan and Security Agreement dated June 28, 2019, by and among the Company and Oxford Finance LLC, as collateral agent and lender (filed as Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on August 9, 2019 and incorporated herein by reference)

EXHIBIT 10.1 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. AMENDED AND RESTATED LOAN AND SECURITY AGREEMENT THIS AMENDED AND RESTATED LOAN AND SECURITY AGREEMENT (as the same may from time to time be amended, modified

August 9, 2019 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, 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: 001-35703 PUMA BIOTECHNOLOGY, I

August 8, 2019 EX-99.1

Puma Biotechnology Reports Second Quarter 2019 Financial Results

EX-99.1 Exhibit 99.1 News Release Puma Biotechnology Reports Second Quarter 2019 Financial Results LOS ANGELES, Calif., Aug. 8, 2019 – Puma Biotechnology, Inc. (NASDAQ: PBYI), a biopharmaceutical company, announced financial results for the second quarter ended June 30, 2019. Unless otherwise stated, all comparisons are for the second quarter 2019 compared to the second quarter of 2018. Product re

August 8, 2019 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 8, 2019 PUMA BIOTECHNOLOGY, INC.

July 3, 2019 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

8-K 1 d773187d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 28, 2019 PUMA BIOTECHNOLOGY, INC. (Exact Name of Registrant as Specified in its Charter) Delaware 001-35703 77-0683487 (State or other jurisdiction of

June 12, 2019 8-K

Submission of Matters to a Vote of Security Holders

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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 10, 2019 PUMA BIOTECHNOLOGY, INC.

May 28, 2019 8-K

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

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 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, 2019 PUMA BIOTECHNOLOGY, INC.

May 28, 2019 EX-3.2

Marked Third Amended and Restated Bylaws of Puma Biotechnology, Inc.

Exhibit 3.2 SECONDTHIRD AMENDED AND RESTATED BYLAWS OF PUMA BIOTECHNOLOGY, INC. (a Delaware Corporation) ARTICLE I STOCKHOLDERS Section 1. Certificates Representing Stock. (a) Certificates representing stock in Puma Biotechnology, Inc. (the “Corporation”) shall be signed by, or in the name of, the Corporation by two officers of the Corporation, including by the Treasurer or an Assistant Treasurer

May 28, 2019 EX-3.1

Third Amended and Restated Bylaws of the Company (filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K filed with the SEC on May 28, 2019 and incorporated herein by reference)

EX-3.1 Exhibit 3.1 THIRD AMENDED AND RESTATED BYLAWS OF PUMA BIOTECHNOLOGY, INC. (a Delaware Corporation) ARTICLE I STOCKHOLDERS Section 1. Certificates Representing Stock. (a) Certificates representing stock in Puma Biotechnology, Inc. (the “Corporation”) shall be signed by, or in the name of, the Corporation by two officers of the Corporation, including by the Treasurer or an Assistant Treasurer

May 14, 2019 SC 13G/A

PBYI / Puma Biotechnology Inc. / GREAT POINT PARTNERS LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74587V107 (CUSIP Number) May 10, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this S

May 14, 2019 SC 13G

PBYI / Puma Biotechnology Inc. / GREAT POINT PARTNERS LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Puma Biotechnology, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74587V107 (CUSIP Number) May 8, 2019 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

May 10, 2019 EX-10.3

License Agreement, dated March 29, 2019, by and between the Company and Pierre Fabre Medicament SAS (filed as Exhibit 10.3 to the Company’s Quarterly Report on Form 10-Q filed with the SEC on May 10, 2019 and incorporated herein by reference)

Exhibit 10.3 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). Such excluded information is not material and would likely cause competitive harm to the registrant if publicly disclosed. LICENSE AGREEMENT THIS LICENSE AGREEMENT (“Agreement”) dated as of March 29th, 2019 (“Effective Date”) is entered into between Puma Biotechnology, Inc., a cor

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