SQZ / SQZ Biotechnologies Co - Pemfailan SEC, Laporan Tahunan, Penyata Proksi

SQZ Biotechnologies Co
US ˙ NYSE
SIMBOL INI TIDAK AKTIF LAGI

Statistik Asas
CIK 1604477
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 SQZ Biotechnologies Co
SEC Filings (Chronological Order)
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February 13, 2024 EX-99.1

IDENTIFICATION OF THE SUBSIDIARIES WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

EX-99.1 2 tm245791d1ex99-1.htm EXHIBIT 99.1 EXHIBIT 99.1 IDENTIFICATION OF THE SUBSIDIARIES WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. American International Group, Inc. — Subsidiary Information Corebridge DECO II, LLC American Home Assurance Company Lexington Insurance Company National Union Fire Insurance Company of Pittsburgh, Pa.

February 13, 2024 SC 13G/A

SQZ / SQZ Biotechnologies Co / AMERICAN INTERNATIONAL GROUP, INC. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.

February 9, 2024 SC 13G/A

SQZ / SQZ Biotechnologies Co / Artal International S.C.A. - SC 13G/A Passive Investment

SC 13G/A 1 d745311dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934* (Amendment No. 3) SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 78472W104 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement)

January 23, 2024 DEFM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 12, 2024 PREM14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A (Rule 14a-101) Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

PREM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 12, 2024 EX-FILING FEES

CALCULATION OF FILING FEE TABLE Schedule 14A (Form Type) SQZ Biotechnologies Company (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $11,800,000

Exhibit 107 CALCULATION OF FILING FEE TABLE Schedule 14A (Form Type) SQZ Biotechnologies Company (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $11,800,000.

January 4, 2024 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

15-12G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as sp

December 22, 2023 EX-2.1

ASSET PURCHASE AGREEMENT STEMCELL TECHNOLOGIES CANADA ACQUISITIONS INC. SQZ BIOTECHNOLOGIES COMPANY Dated December 21, 2023

Exhibit 2.1 Execution Version ASSET PURCHASE AGREEMENT between STEMCELL TECHNOLOGIES CANADA ACQUISITIONS INC. and SQZ BIOTECHNOLOGIES COMPANY Dated December 21, 2023 SUMMARY OF CONTENTS Article 1 Sale and Transfer of Assets; Purchase Price; Closing 1 Article 2 Closing 3 Article 3 Representations and Warranties of Seller 5 Article 4 Representations and Warranties of Purchaser 14 Article 5 Covenants

December 22, 2023 EX-10.1

Massachusetts Institute of Technology SQZ Biotechnologies Company Second Amendment to Amended and Restated Exclusive Patent License Agreement

EX-10.1 Exhibit 10.1 * Certain identified information has been excluded from this exhibit (indicated by “[***]”) pursuant to Item 601(b)(10)(iv) of Regulation S-K because it is both not material and is the type that the registrant treats as private or confidential. Massachusetts Institute of Technology and SQZ Biotechnologies Company Second Amendment to Amended and Restated Exclusive Patent Licens

December 22, 2023 8-K

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

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): December 21, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Comm

November 30, 2023 S-8 POS

As filed with the Securities and Exchange Commission on November 30, 2023

As filed with the Securities and Exchange Commission on November 30, 2023 Registration No.

November 30, 2023 POS AM

As filed with the Securities and Exchange Commission on November 30, 2023

As filed with the Securities and Exchange Commission on November 30, 2023 Registration No.

November 8, 2023 EX-10.1

SQZ Biotechnologies Company Non-Employee Director Compensation Program

EXHIBIT 10.1 SQZ Biotechnologies Company Non-Employee Director Compensation Program Non-employee members of the board of directors (the “Board”) of SQZ Biotechnologies Company (the “Company”) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in this Program shall be paid or be made

November 8, 2023 EX-10.2

Transition Agreement

EXHIBIT 10.2 Transition Agreement This Transition Agreement (the “Agreement”) is made as of October 3, 2023 (the “Notice Date”), by and between SQZ Biotechnologies Company (the “Company”) and Howard Bernstein, M.D., Ph.D. (the “Executive”) (collectively referred to as the “parties” or individually referred to as a “party”). Capitalized terms used but not defined in this Agreement shall have the me

November 8, 2023 EX-10.4

Transition Agreement

EXHIBIT 10.4 Transition Agreement This Transition Agreement (the “Agreement”) is made as of October 3, 2023 (the “Notice Date”), by and between SQZ Biotechnologies Company (the “Company”) and Lawrence Knopf (the “Executive”) (collectively referred to as the “parties” or individually referred to as a “party”). Capitalized terms used but not defined in this Agreement shall have the meanings set fort

November 8, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

November 8, 2023 EX-10.5

Transition Agreement

EXHIBIT 10.5 Transition Agreement This Transition Agreement (the “Agreement”) is made as of October 3, 2023 (the “Notice Date”), by and between SQZ Biotechnologies Company (the “Company”) and Marshelle Smith Warren (the “Executive”) (collectively referred to as the “parties” or individually referred to as a “party”). Capitalized terms used but not defined in this Agreement shall have the meanings

November 8, 2023 EX-10.3

Transition Agreement

EXHIBIT 10.3 Transition Agreement This Transition Agreement (the “Agreement”) is made as of October 3, 2023 (the “Notice Date”), by and between SQZ Biotechnologies Company (the “Company”) and Richard Capasso (the “Executive”) (collectively referred to as the “parties” or individually referred to as a “party”). Capitalized terms used but not defined in this Agreement shall have the meanings set for

October 2, 2023 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Material Impairments, Costs Associated with Exit or Disposal Activities

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 29, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Com

September 15, 2023 8-K

Termination of a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 13, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Com

August 10, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

July 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissi

July 19, 2023 EX-99.25

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange ("NYSE" or the "Exchange") hereby notifies the Securities and Exchange Commission (the "Commission") of its intention to remove the entire class of common stock (the "Securities") of SQZ Biotechnologies Company (the "Company") from listing and registration on the Exchange on July 31, 2023, pursuant to the provisions of Rule 12d2-2(b) because, in the opinion of the Exchange, the Securities are no longer suitable for continued listing and trading on the NYSE.

July 7, 2023 EX-10.1

Empower Cells to Change Lives

Empower Cells to Change Lives Exhibit 10.1 To: EMPLOYEE From: David First July 10, 2023 Dear EMPLOYEE, We are excited to share that the Board of Directors has approved the payment to you of a retention recognition bonus, subject to the terms of this agreement. By July 14, 2023, you will receive a payment in the amount of: $TOTAL BONUS PAYOUT, less applicable taxes, provided you sign and return thi

July 7, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissi

July 3, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 3, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissio

June 15, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 12, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissi

May 10, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

May 10, 2023 EX-10

Amended Non-Employee Director Compensation Program

Exhibit 10.1 SQZ Biotechnologies Company Non-Employee Director Compensation Program Non-employee members of the board of directors (the “Board”) of SQZ Biotechnologies Company (the “Company”) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in this Program shall be paid or be made

April 26, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 (Amend

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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.

April 26, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 (Amend

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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.

April 10, 2023 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 (Amend

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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.

April 10, 2023 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 6, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of (Commission (IRS Employe

March 22, 2023 EX-10

Separation Agreement between the Registrant and Armon Sharei, dated November 30, 2022

Exhibit 10.15 Separation Agreement and Release This Separation Agreement and Release (“Agreement”) is made by and between Armon Sharei, Ph.D. (“Executive”) and SQZ Biotechnologies Company (the “Company”) (collectively referred to as the “Parties” or individually referred to as a “Party”). Capitalized terms used but not defined in this Agreement shall have the meanings set forth in the Employment A

March 22, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 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, 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: 001-39662 SQZ BIOTECHNOL

March 22, 2023 EX-10

Separation Agreement between the Registrant and Micah Zajic. dated November 28, 202

Exhibit 10.16 November 28, 2022 Via Email - Personal and Confidential Dear Micah: This letter (the “Agreement”) summarizes the terms of your separation from employment with SQZ Biotechnologies Company (“SQZ”or the “Company”) and establishes an amicable arrangement under which you release the Company from any claims, and, in return, you receive separation pay. 1. Employment Status; Final Payments;

March 22, 2023 EX-10

Employment Agreement between the Registrant and Howard Bernstein, Ph.D., dated November 28, 2022

Exhibit 10.17 Employment Agreement This Employment Agreement (this “Agreement”), dated as of November 28, 2022, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the “Company”), and Howard Bernstein, M.D.,Ph.D. (“Executive”) (collectively referred to herein as the “Parties” or individually referred to as a “Party”), and will become eff

March 22, 2023 EX-21

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF SQZ BIOTECHNOLOGIES COMPANY Legal Name of Subsidiary Jurisdiction of Organization SQZ Biotechnologies Security Corporation Massachusetts SQZ Biotech HK Limited Hong Kong SQZ Biotech (Shanghai) Co. Limited China

February 14, 2023 SC 13G/A

SQZ / SQZ Biotechnologies Co / 683 Capital Management, LLC - AMENDMENT NO. 2 TO THE SCHEDULE 13G Passive Investment

SC 13G/A 1 sqzbio13ga1-123122.htm AMENDMENT NO. 2 TO THE SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13d - 102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No. 2)* SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title

February 14, 2023 SC 13G/A

SQZ / SQZ Biotechnologies Co / NanoDimension II Management Ltd - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* SQZ biotechnologies company (Name of Issuer) Common Stock (Title of Class of Securities) 78472W 10 4 (CUSIP Number) DECEMBER 31, 2022 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to whic

February 14, 2023 SC 13G/A

SQZ / SQZ Biotechnologies Co / AMERICAN INTERNATIONAL GROUP, INC. - SC 13G/A Passive Investment

SC 13G/A 1 tm236032d2sc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 2)* SQZ Biotechnologies Company (Name of Issuer) Common Stock, Par Value $0.01 per Share (Title of Class of Securities) 7

February 14, 2023 EX-99.1

IDENTIFICATION OF THE SUBSIDIARIES WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

EX-99.1 2 tm236032d2ex99-1.htm EXHIBIT 99.1 EXHIBIT 99.1 IDENTIFICATION OF THE SUBSIDIARIES WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. American International Group, Inc. — Subsidiary Information AIG DECO Fund II, LP American Home Assurance Company Lexington Insurance Company National Union Fire Insurance Company of Pittsburgh, Pa.

February 13, 2023 SC 13G/A

SQZ / SQZ Biotechnologies Co / Artal International S.C.A. - SC 13G/A Passive Investment

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) SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 78472W104 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

January 18, 2023 8-K

Regulation FD Disclosure, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 18, 2023 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commi

January 18, 2023 EX-99.1

SQZ Biotechnologies Receives Notice Regarding Continued Listing Standards From the New York Stock Exchange

Empower Cells to Change Lives® EXHIBIT 99.1 SQZ Biotechnologies Receives Notice Regarding Continued Listing Standards From the New York Stock Exchange WATERTOWN, Mass., January 18, 2023 – SQZ Biotechnologies (NYSE: SQZ) today announced that on January 18, 2023, it received notice from the New York Stock Exchange (NYSE) indicating that the Company is not in compliance with Section 802.01C of the NY

December 6, 2022 EX-99.1

SQZ Biotechnologies Receives FDA Fast Track Designation for its eAPC Therapeutic Candidate for Treatment of HPV16+ Tumors and Presents Clinical Data for Multiple Programs at the European Society for Medical Oncology Immuno-Oncology Congress

Empower Cells to Change Lives® Exhibit 99.1 SQZ Biotechnologies Receives FDA Fast Track Designation for its eAPC Therapeutic Candidate for Treatment of HPV16+ Tumors and Presents Clinical Data for Multiple Programs at the European Society for Medical Oncology Immuno-Oncology Congress • Designation Represents Potential to Bring Important New Therapy to Patients Earlier • Stable Disease Observed in

December 6, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 06, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Comm

November 30, 2022 EX-99.1

SQZ Biotechnologies Announces Strategic Prioritization of SQZ® Enhanced Antigen Presenting Cells Program; Armon Sharei to Step Down as Chief Executive Officer Strategic Reprioritization of Portfolio: Focus on Advancing Second-Generation Cell Therapy

Exhibit 99.1 SQZ Biotechnologies Announces Strategic Prioritization of SQZ® Enhanced Antigen Presenting Cells Program; Armon Sharei to Step Down as Chief Executive Officer Strategic Reprioritization of Portfolio: Focus on Advancing Second-Generation Cell Therapy Program, Enhanced Antigen Presenting Cells Howard Bernstein, MD, PhD, Former Chief Scientific Officer, Appointed as Interim Chief Executi

November 30, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 30, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Comm

November 9, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

November 9, 2022 EX-10.1

Separation Agreement between SQZ Biotechnologies Company and Howard Bernstein, dated September 2, 2022.

Exhibit 10.1 September 2, 2022 Via Email - Personal and Confidential Dear Howard: This letter (the ?Agreement?) summarizes the terms of your separation from employment with SQZ Biotechnologies Company (?SQZ? or the ?Company?) and establishes an amicable arrangement under which you release the Company from any claims, and, in return, you receive severance pay. 1. Employment Status; Final Payments;

November 9, 2022 EX-10.2

Transition Consulting Agreement between SQZ Biotechnologies Company and Howard Bernstein, dated November 1, 2022.

Exhibit 10.2 TRANSITION CONSULTING AGREEMENT This Consulting Agreement (this "Agreement") dated as of November 1, 2022 (the ?Effective Date?), is made by and between SQZ Biotechnologies Company, a Delaware corporation (the "Company"), and Howard Bernstein (the "Consultant"). The Company desires to engage the Consultant to perform consulting services on behalf of the Company and the Consultant desi

September 6, 2022 EX-99.1

SQZ Biotechnologies Announces Leadership Transition Chief Scientific Officer, Howard Bernstein, M.D., Ph.D., to Become Member of the Company’s Board of Directors, Effective October 31, 2022 CSO Responsibilities to be Shared Among Ipsita Roymoulik, Ph

SQZ Biotechnologies Announces Leadership Transition Chief Scientific Officer, Howard Bernstein, M.

September 6, 2022 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 31, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commis

August 4, 2022 EX-10.1

Employment Agreement between SQZ Biotechnologies Company and Marshelle Smith Warren, dated May 25, 2022.

Exhibit 10.1 Employment Agreement This Employment Agreement (this ?Agreement?), dated as of May 25, 2022, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the ?Company?), and Marshelle Smith Warren (?Executive?) (collectively referred to herein as the ?Parties? or individually referred to as a ?Party?), and will become effective on Ju

August 4, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

July 11, 2022 EX-99.1

SQZ Biotechnologies Appoints Micah Zajic as Chief Financial Officer Experienced Biotech Leader and Capital Markets Professional Elevated to Chief Financial Officer from Chief Business Officer Role Appointment Effective July 11, 2022

Exhibit 99.1 SQZ Biotechnologies Appoints Micah Zajic as Chief Financial Officer Experienced Biotech Leader and Capital Markets Professional Elevated to Chief Financial Officer from Chief Business Officer Role Appointment Effective July 11, 2022 WATERTOWN, Mass., July 11, 2022 ? SQZ Biotechnologies (NYSE: SQZ), focused on unlocking the full potential of cell therapies for multiple therapeutic area

July 11, 2022 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 07, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissi

July 11, 2022 EX-10.1

Employment Agreement between SQZ Biotechnologies Company and Micah Zajic, dated July 7, 2022.

Exhibit 10.1 Employment Agreement This Employment Agreement (this ?Agreement?), dated as of July 7, 2022, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the ?Company?), and Micah Zajic (?Executive?) (collectively referred to herein as the ?Parties? or individually referred to as a ?Party?), and will become effective as of July 11, 2

June 16, 2022 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 15, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissi

May 31, 2022 EX-99.1

SQZ Biotechnologies Appoints Marshelle Smith Warren, M.D. as Chief Medical Officer Experienced Drug Developer Brings Over 25 Years of Clinical Development Industry Knowledge Across Oncology, Immunology, and Infectious Disease Appointment Effective Ju

Empowering Cells to Change Lives Exhibit 99.1 SQZ Biotechnologies Appoints Marshelle Smith Warren, M.D. as Chief Medical Officer Experienced Drug Developer Brings Over 25 Years of Clinical Development Industry Knowledge Across Oncology, Immunology, and Infectious Disease Appointment Effective June 1st, 2022 WATERTOWN, Mass., May 31, 2022 ? SQZ Biotechnologies (NYSE: SQZ), focused on unlocking the

May 31, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissio

May 19, 2022 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 19, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commissio

May 19, 2022 EX-99.1

SQZ Biotechnologies Company R&D Event Presentation Dated May 19, 2022.

May 10, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

April 26, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 (Amend

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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.

April 26, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 (Amend

DEFA14A 1 sqz-2022proxynotice.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box:

March 16, 2022 EX-10.3

Amended Non-Employee Director Compensation Program

Exhibit 10.3 SQZ Biotechnologies Company Non-Employee Director Compensation Program Non-employee members of the board of directors (the ?Board?) of SQZ Biotechnologies Company (the ?Company?) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this ?Program?). The cash and equity compensation described in this Program shall be paid or be made

March 16, 2022 EX-21.1

Subsidiaries of the Registrant

Exhibit 21.1 SUBSIDIARIES OF SQZ BIOTECHNOLOGIES COMPANY Legal Name of Subsidiary Jurisdiction of Organization SQZ Biotechnologies Security Corporation Massachusetts SQZ Biotech HK Limited Hong Kong

March 16, 2022 EX-10.18

Separation Agreement between the Registrant and Teri Loxam, dated November 3, 2021

Exhibit 10.18 November 3, 2021 Via Email - Personal and Confidential Dear Teri, This letter (the ?Agreement?) summarizes the terms of your separation from employment with SQZ Biotechnologies Company (?SQZ? or the ?Company?) and establishes an amicable arrangement under which you release the Company from any claims, and, in return, you receive severance pay. 1. Employment Status; Final Payments; Be

March 16, 2022 EX-10.11

Employment Agreement between the Registrant and David First, dated October 29, 2020

Exhibit 10.11 Employment Agreement This Employment Agreement (this ?Agreement?), dated as of October 29, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the ?Company?), and David First (?Executive?) (collectively referred to herein as the ?Parties? or individually referred to as a ?Party?), and will become effective, if at all,

March 16, 2022 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 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, 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: 001-39662 SQZ BIOTECHNOL

March 16, 2022 EX-10.10

Employment Agreement between the Registrant and Howard Bernstein, dated October 29, 2020

Exhibit 10.10 Employment Agreement This Employment Agreement (this ?Agreement?), dated as of October 29, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the ?Company?), and Howard Bernstein, M.D., Ph.D. (?Executive?) (collectively referred to herein as the ?Parties? or individually referred to as a ?Party?), and will become eff

March 16, 2022 EX-10.19

Transition Consulting Agreement between the Registrant and Teri Loxam, dated November 11, 2021

Exhibit 10.19 TRANSITION CONSULTING AGREEMENT This Consulting Agreement (this "Agreement") dated as of November 11, 2021, the ?Effective Date?), is made by and between SQZ Biotechnologies Company, a Delaware corporation (the "Company"), and Teri Loxam (the "Consultant"). The Company desires to engage the Consultant to perform consulting services on behalf of the Company and the Consultant desires

February 14, 2022 EX-99.1

IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

EXHIBIT 99.1 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. American International Group, Inc. ? Subsidiary Information SAFG Retirement Services, Inc.: A parent holding company or control person in accordance with ? 240.13d-1(b)(1)(ii)(G) Category Symbol: HC SAFG Capital LLC: A parent holding company or control perso

February 14, 2022 SC 13G/A

SQZ / SQZ Biotechnologies Co / AMERICAN INTERNATIONAL GROUP, INC. - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO ? 240.

February 14, 2022 SC 13G/A

SQZ / SQZ Biotechnologies Co / Temasek Holdings (Private) Ltd - SC 13G/A Passive Investment

SC 13G/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1 )* SQZ Biotechnologies Company (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class o

February 14, 2022 SC 13G/A

SQZ / SQZ Biotechnologies Co / 683 Capital Management, LLC - AMENDMENT NO. 1 TO THE SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13d - 102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No. 1)* SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 78472W104 (CUSIP Number) December 31, 2021 (D

February 14, 2022 EX-99.2

AGREEMENT OF JOINT FILING

EXHIBIT 99.2 AGREEMENT OF JOINT FILING In accordance with Rule 13d-1(k), promulgated under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing on behalf of each of them of a Statement on Schedule 13G, and any amendments thereto, with respect to the Common Stock of Macy?s, Inc. and that this Agreement may be included as an Exhibit to such filin

February 11, 2022 SC 13D/A

SQZ / SQZ Biotechnologies Co / Polaris Management Co. VII, L.L.C. - SC 13D/A Activist Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1) SQZ BIOTECHNOLOGIES COMPANY (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 78472W104 (CUSIP Number) Lauren Crockett Polaris Partners One Marina Park Drive, 10th Floor Boston, MA 02210 (781) 290-0770 (Name, Address and Telephone

February 10, 2022 SC 13G/A

SQZ / SQZ Biotechnologies Co / NanoDimension II Management Ltd - SCHEDULE 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* SQZ biotechnologies company (Name of Issuer) Common Stock (Title of Class of Securities) 78472W 10 4 (CUSIP Number) DECEMBER 31, 2021 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to whic

January 24, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2022 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commi

January 24, 2022 EX-99.1

SQZ Biotechnologies Announces FDA Clearance of Investigational New Drug (IND) Application for SQZ-eAPC-HPV, a Novel mRNA-based Cell Therapy for the Treatment of HPV16 Positive Solid Tumors SQZ® Enhanced APCs (eAPCs) Build on Promising Initial SQZ® AP

Empowering Cells to Change Lives Exhibit 99.1 SQZ Biotechnologies Announces FDA Clearance of Investigational New Drug (IND) Application for SQZ-eAPC-HPV, a Novel mRNA-based Cell Therapy for the Treatment of HPV16 Positive Solid Tumors SQZ® Enhanced APCs (eAPCs) Build on Promising Initial SQZ® APC Monotherapy Clinical Data by Broadening the Addressable Patient Population and Incorporating Enhanced

December 9, 2021 EX-99.2

Preliminary results of a first-in-human, dose-escalation study of a cell-based vaccine in HLA A*02+ patients with recurrent, locally advanced, or metastatic HPV16+ solid tumors SQZ-PBMC-HPV-101: Jong Chul Park, Joaquina Baranda, Monica Mita, Wade T I

Preliminary results of a first-in-human, dose-escalation study of a cell-based vaccine in HLA A*02+ patients with recurrent, locally advanced, or metastatic HPV16+ solid tumors SQZ-PBMC-HPV-101: Jong Chul Park, Joaquina Baranda, Monica Mita, Wade T Iams, Michael S Gordon, Matthew Taylor, Neesha Dhani, Scott Loughhead, Rui Ru Ji, Ricardo F Zwirtes, Martin Kornacker, Oliver Rosen, Howard Bernstein,

December 9, 2021 EX-99.3

SQZ-PBMC-HPV-101 Clinical Program Updates at ESMO Immuno-Oncology Congress 2021 Conference Call and Webcast December 9th, 2021

SQZ-PBMC-HPV-101 Clinical Program Updates at ESMO Immuno-Oncology Congress 2021 Conference Call and Webcast December 9th, 2021 Forward Looking Statements and Legal Disclaimers This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995.

December 9, 2021 EX-99.1

SQZ Biotechnologies Announces Lead Cell Therapy Candidate Induced Radiographic, Symptomatic and Immune Response as Monotherapy in Post-Checkpoint HPV+ Solid Tumor Patient Patient’s Clinical, Radiographic and Histologic Results Support Potential Impac

Empowering Cells to Change Lives Exhibit 99.1 SQZ Biotechnologies Announces Lead Cell Therapy Candidate Induced Radiographic, Symptomatic and Immune Response as Monotherapy in Post-Checkpoint HPV+ Solid Tumor Patient Patient?s Clinical, Radiographic and Histologic Results Support Potential Impact of SQZ Investigational Therapeutic ? Patient Demonstrated Symptomatic Improvement ? Radiographic Respo

December 9, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 09, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Comm

December 2, 2021 EX-99.1

SQZ Biotechnologies Lead Cell Therapy Candidate Generated Monotherapy Clinical Response Correlated with Substantial CD8 T Cell Tumor Infiltration in HPV+ Solid Tumor at Highest Dose Interim SQZ-PBMC-HPV Results from Ongoing Phase 1/2 Trial Showed Fav

Empowering Cells to Change Lives Exhibit 99.1 SQZ Biotechnologies Lead Cell Therapy Candidate Generated Monotherapy Clinical Response Correlated with Substantial CD8 T Cell Tumor Infiltration in HPV+ Solid Tumor at Highest Dose Interim SQZ-PBMC-HPV Results from Ongoing Phase 1/2 Trial Showed Favorable Safety Data and that Therapy was Generally Well Tolerated Oral Presentation at ESMO Immuno-Oncolo

December 2, 2021 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 02, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Comm

November 18, 2021 8-K/A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of I

November 16, 2021 CORRESP

November 16, 2021

CORRESP 1 filename1.htm November 16, 2021 Via EDGAR Transmission United States Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.E. Washington, D.C. 20549 Attention: Michael Davis Celeste Murphy Re: SQZ Biotechnologies Company Registration Statement on Form S-3 Filed November 12, 2021 Registration No. 333-260980 Ladies and Gentlemen: In acco

November 12, 2021 S-3

As filed with the Securities and Exchange Commission on November 10, 2021

S-3 1 d251471ds3.htm S-3 Table of Contents As filed with the Securities and Exchange Commission on November 10, 2021 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 46-2431115 (State or other juris

November 12, 2021 EX-4.3

Form of Indenture.

Exhibit 4.3 SQZ BIOTECHNOLOGIES COMPANY INDENTURE Dated as of , 20 [] Trustee TABLE OF CONTENTS Page ARTICLE I. DEFINITIONS AND INCORPORATION BY REFERENCE 1 Section 1.1. Definitions 1 Section 1.2. Other Definitions 4 Section 1.3. Incorporation by Reference of Trust Indenture Act 4 Section 1.4. Rules of Construction 5 ARTICLE II. THE SECURITIES 5 Section 2.1. Issuable in Series 5 Section 2.2. Estab

November 12, 2021 EX-1.2

Open Market Sale Agreement, dated as of November 10, 2021, by and between SQZ Biotechnologies Company and Jefferies LLC.

EX-1.2 2 d251471dex12.htm EX-1.2 Exhibit 1.2 OPEN MARKET SALE AGREEMENTSM November 10, 2021 JEFFERIES LLC 520 Madison Avenue New York, New York 10022 Ladies and Gentlemen: SQZ Biotechnologies Company, 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 “A

November 10, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

November 10, 2021 EX-10.1

Separation Agreement between Oliver Rosen and SQZ Biotechnologies Company, dated September 2, 2021

l Confidential Exhibit 10.1 September 2, 2021 Via Email - Personal and Confidential Dear Oliver, This letter (the ?Agreement?) summarizes the terms of your separation from employment with SQZ Biotechnologies Company (?SQZ? or the ?Company?) and establishes an amicable arrangement under which you release the Company from any claims, and, in return, you receive severance pay. 1. Employment Status; F

November 4, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commi

October 26, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 26, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Commi

October 26, 2021 EX-99.1

SQZ Biotechnologies Announces Independent DSMB Recommendation to Advance Lead Cell Therapy Candidate into Combination with Checkpoint Inhibitors High Dose Monotherapy Cohort Clinical Data from the SQZ-PBMC-HPV-101 Trial Accepted for Oral Presentation

Exhibit 99.1 Empowering Cells to Change Lives SQZ Biotechnologies Announces Independent DSMB Recommendation to Advance Lead Cell Therapy Candidate into Combination with Checkpoint Inhibitors High Dose Monotherapy Cohort Clinical Data from the SQZ-PBMC-HPV-101 Trial Accepted for Oral Presentation at ESMO IO in December Cohorts in Combination with anti-PD-(L)1 and anti-CTLA-4 Open for Enrollment Com

September 13, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 13, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of Registrant as Specified in Its Charter) Delaware 001-39662 46-2431115 (State or Other Jurisdiction of Incorporation) (Com

September 13, 2021 EX-99.2

Forward Looking Statements and Legal Disclaimers This presentation contains forward‐looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this presentation that do not relate to mat

EX-99.2 3 d149445dex992.htm EX-99.2 Exhibit 99.2 Empower Cells to Change Lives® September 2021 Forward Looking Statements and Legal Disclaimers This presentation contains forward‐looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this presentation that do not relate to matters of historical fact should be considered forward‐lo

September 13, 2021 EX-99.1

SQZ Biotechnologies Announces First Autoimmune Disease Indication for Tolerizing Antigen Carrier (TAC) Platform IND filing for Celiac Disease Anticipated in Third Quarter 2022 Clinical Translation Supported by Existing Red Blood Cell-Based Manufactur

Exhibit 99.1 SQZ Biotechnologies Announces First Autoimmune Disease Indication for Tolerizing Antigen Carrier (TAC) Platform IND filing for Celiac Disease Anticipated in Third Quarter 2022 Clinical Translation Supported by Existing Red Blood Cell-Based Manufacturing Capabilities and Preclinical Models Demonstrating Treg Mediated Tolerance WATERTOWN, Mass., September 13, 2021 ? SQZ Biotechnologies

September 2, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): August 31, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of incorporation) (Commis

August 9, 2021 SC 13G

SQZ / SQZ Biotechnologies Co / 683 Capital Management, LLC Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (RULE 13d - 102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No. )* SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 78472W104 (CUSIP Number) July 29, 2021 (Date o

August 4, 2021 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

July 29, 2021 8-K/A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) 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, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of inco

July 1, 2021 8-K

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 28, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of incorporation) (Commissi

July 1, 2021 EX-99.1

SQZ Biotechnologies Strengthens Board with Global Commercial and Clinical Development Experience Bernard Coulie, M.D., Ph.D. and Patrick Vink, M.D. Join Board of Directors

EX-99.1 2 sqz-ex99114.htm EX-99.1 Exhibit 99.1 SQZ Biotechnologies Strengthens Board with Global Commercial and Clinical Development Experience Bernard Coulie, M.D., Ph.D. and Patrick Vink, M.D. Join Board of Directors WATERTOWN, Mass., July 1, 2021 – SQZ Biotechnologies (NYSE: SQZ), focused on unlocking the full potential of cell therapies for multiple therapeutic areas, today announced the appoi

June 17, 2021 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 15, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of incorporation) (Commissi

June 4, 2021 EX-99.2

2 This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this presentation that do not relate to matters of historical fact should be considered fo

June 2021 Exhibit 99.2 2 This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this presentation that do not relate to matters of historical fact should be considered forward-looking statements, including statements relating to our development of our product candidates, the promise and potential

June 4, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): June 4, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of incorporation or organiza

June 4, 2021 EX-99.1

SQZ Biotechnologies Initial First-In-Human Data Demonstrates Investigational Cell Therapy is Safe and Can Stimulate Immune Responses in Certain Patients with Advanced or Metastatic HPV16+ Tumors Doses of Autologous Cell Therapy Manufactured in Under

EX-99.1 2 sqz-ex99127.htm EX-99.1 Exhibit 99.1 Empowering Cells to Change Lives SQZ Biotechnologies Initial First-In-Human Data Demonstrates Investigational Cell Therapy is Safe and Can Stimulate Immune Responses in Certain Patients with Advanced or Metastatic HPV16+ Tumors Doses of Autologous Cell Therapy Manufactured in Under 24 Hours and Available to Patients in Approximately One Week Clinical

May 11, 2021 10-Q

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

April 26, 2021 DEFA14A

- DEFA14A

DEFA14A 1 sqz-defa14a20210426.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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:

April 26, 2021 DEF 14A

- DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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.

March 18, 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: 001-39662 SQZ BIOTECHNOL

March 18, 2021 EX-4

Description of Securities

Exhibit 4.3 DESCRIPTION OF THE REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED General The following description summarizes some of the terms of our restated certificate of incorporation and restated bylaws, the investors? rights agreement and of the General Corporation Law of the State of Delaware. Because it is only a summary, it does

February 25, 2021 8-K

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

8-K 1 sqz-8k20210223.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 23, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdi

February 19, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 SQZ BIOTECHNOLOGIES COMPANY (Name of Issuer) COMMON STOCK (Title of Class of Securities) 78472W 10 4 (CUSIP Number) DECEMBE

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 SQZ BIOTECHNOLOGIES COMPANY (Name of Issuer) COMMON STOCK (Title of Class of Securities) 78472W 10 4 (CUSIP Number) DECEMBER 31, 2020 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Sched

February 16, 2021 EX-99.2

AGREEMENT OF JOINT FILING

EXHIBIT 99.2 AGREEMENT OF JOINT FILING In accordance with Rule 13d-1(k), promulgated under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees to the joint filing on behalf of each of them of a Statement on Schedule 13G, and any amendments thereto, with respect to the Common Stock of Macy’s, Inc. and that this Agreement may be included as an Exhibit to such filin

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* (Amendment No. 1) SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of

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) SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 78472W104 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 16, 2021 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. )* SQZ Biote

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.

February 16, 2021 EX-99.1

IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

EX-99.1 2 tm216212d4ex99-1.htm EXHIBIT 99.1 EXHIBIT 99.1 IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY. American International Group, Inc. — Subsidiary Information AIG Capital Corporation: A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G) Category Symbol: HC AIG Fund GP Holdings,

February 16, 2021 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d117194dex991.htm EXHIBIT 1 EXHIBIT 1 JOINT FILING AGREEMENT The undersigned agree that the statement on Schedule 13G with respect to the common stock, $0.001 par value per share, of SQZ Biotechnologies Company, dated as of February 12, 2021, is, and any amendments thereto signed by each of the undersigned shall be, filed on behalf of each of them pursuant to and in accordance with the p

February 12, 2021 424B4

3,000,000 Shares Common Stock

424B4 1 d101785d424b4.htm 424B4 Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-252889 PROSPECTUS 3,000,000 Shares Common Stock We are offering 3,000,000 shares of common stock. Our common stock is listed on the New York Stock Exchange, or NYSE, under the symbol “SQZ.” The last reported sale price of our common stock on the NYSE on February 11, 2021 was $22.01 per share. We

February 9, 2021 CORRESP

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February 9, 2021 Via EDGAR Transmission United States Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.

February 9, 2021 8-K

Results of Operations and Financial Condition - 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 9, 2021 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of incorporation or

February 9, 2021 S-1

Registration Statement - S-1

S-1 Table of Contents As filed with the Securities and Exchange Commission on February 9, 2021 Registration No.

February 9, 2021 EX-1.1

Form of Underwriting Agreement

EX-1.1 2 d101785dex11.htm EX-1.1 Exhibit 1.1 [●] SQZ Biotechnologies Company UNDERWRITING AGREEMENT [●], 2021 BOFA SECURITIES, INC. EVERCORE GROUP L.L.C. STIFEL, NICOLAUS & COMPANY, INCORPORATED As Representatives of the several Underwriters c/o BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 c/o EVERCORE GROUP L.L.C. 55 East 52nd Street New York, New York 10055 c/o STIFEL, NICOLAUS

February 9, 2021 CORRESP

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CORRESP 1 filename1.htm February 9, 2021 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: SQZ Biotechnologies Company Registration Statement on Form S-1 Registration No. 333-252889 Acceleration Request Requested Date: February 11, 2021 Requested Time: 4:00 PM, Eastern Time Ladies and Gentlemen: In accordance with Rule 4

February 9, 2021 EX-10.15

Employment Agreement between the Registrant and Lawrence Knopf, dated October 29, 2020

Exhibit 10.15 Employment Agreement This Employment Agreement (this “Agreement”), dated as of October 29, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the “Company”), and Lawrence Knopf (“Executive”) (collectively referred to herein as the “Parties” or individually referred to as a “Party”), and will become effective, if at a

February 9, 2021 EX-10.16

Employment Agreement between the Registrant and Micah Zajic, dated October 29, 2020

EX-10.16 6 d101785dex1016.htm EX-10.16 Exhibit 10.16 Employment Agreement This Employment Agreement (this “Agreement”), dated as of October 29, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the “Company”), and Micah Zajic (“Executive”) (collectively referred to herein as the “Parties” or individually referred to as a “Party”)

February 9, 2021 EX-4.1

Amended and Restated Investors’ Rights Agreement, dated as of December 19, 2019, as amended

EX-4.1 3 d101785dex41.htm EX-4.1 Exhibit 4.1 THIRD AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT THIS THIRD AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (this “Agreement”), is made as of December 19, 2019, by and among SQZ Biotechnologies Company, a Delaware corporation (the “Company”), and each of the investors listed on Schedule A hereto, each of which is referred to in this Agreement as

February 9, 2021 EX-16.1

Letter of Katz, Nannis + Solomon, P.C., Independent Public Accountants

Exhibit 16.1 February 9, 2021 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made SQZ Biotechnologies Company pursuant to Item 304(a)(1) of Regulation S-K (copy attached), which we understand will be filed with the Securities and Exchange Commission as part of the Registration Statement on Form S-1 of SQZ Biotechnologies Compan

February 1, 2021 DRS

CONFIDENTIAL TREATMENT REQUESTED PURSUANT TO 17 C.F.R. SECTION 200.83 As confidentially submitted with the Securities and Exchange Commission on January 29, 2021

Table of Contents CONFIDENTIAL TREATMENT REQUESTED PURSUANT TO 17 C.F.R. SECTION 200.83 As confidentially submitted with the Securities and Exchange Commission on January 29, 2021 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as spec

January 29, 2021 DRSLTR

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DRSLTR 1 filename1.htm 200 Clarendon Street Boston, Massachusetts 02116 Tel: +1.617.948.6000 Fax: +1.617.948.6001 www.lw.com FIRM / AFFILIATE OFFICES January 29, 2021 VIA EDGAR AND HAND DELIVERY Division of Corporation Finance Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-7561 Beijing Boston Brussels Century City Chicago Dubai Düsseldorf Frankfurt Hamburg Hong Kong H

December 10, 2020 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ? 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: 001-39662 SQZ BIOTECHNOLOGIES COMPANY (Exact Name of Registrant as Specified in its Charter) Delaware 46-2431115 (State or other jurisdiction of incorporation or organization) (I.

November 13, 2020 EX-99.8

POWER OF ATTORNEY

EX-99.8 3 d88276dex998.htm EX-99.8 Exhibit 8 POWER OF ATTORNEY The undersigned (the “Reporting Person”) hereby constitutes and appoints Lauren Crockett, signing singly, with full power of substitution, as the Reporting Person’s true and lawful attorney in fact to: (1) prepare, execute in the Reporting Person’s name and on the Reporting Person’s behalf, and submit to the U.S. Securities and Exchang

November 13, 2020 SC 13D

SQZ / SQZ Biotechnologies Company / Polaris Management Co. VII, L.L.C. - SC 13D Activist Investment

SC 13D SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. ) SQZ BIOTECHNOLOGIES COMPANY (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 78472W104 (CUSIP Number) Lauren Crockett Polaris Partners One Marina Park Drive, 10th Floor Boston, MA 02210 (781) 290-0770 (Name, Address and Tel

November 13, 2020 EX-99.1

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D

EX-99.1 2 d88276dex991.htm EX-99.1 Exhibit 1 AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13D to evidence the agreement of the below-named parties, in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule and all amendments th

November 13, 2020 SC 13G

SQZ / SQZ Biotechnologies Company / Temasek Holdings (Private) Ltd - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* SQZ Biotechnologies Company (Name of Issuer) Common Stock, $0.001 par value per share (Title of Class of Securities) 78472W 104 (CUSIP Number) November 3, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

November 13, 2020 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d934175dex991.htm EX-99.1 EXHIBIT 1 JOINT FILING AGREEMENT The undersigned agree that the statement on Schedule 13G with respect to the common stock, $0.001 par value per share, of SQZ Biotechnologies Company, dated as of November 13, 2020, is, and any amendments thereto signed by each of the undersigned shall be, filed on behalf of each of them pursuant to and in accordance with the pro

November 13, 2020 SC 13G

SQZ / SQZ Biotechnologies Company / Invus Public Equities, L.P. - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934* (Amendment No. ) SQZ Biotechnologies Company (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 78472W104 (CUSIP Number) November 3, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

November 13, 2020 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d72402dex991.htm EX-99.1 Exhibit 1 JOINT FILING AGREEMENT This joint filing agreement (this “Agreement”) is made and entered into as of November 13, 2020, by and among Temasek Holdings (Private) Limited, Fullerton Management Pte. Ltd., Temasek Life Sciences Private Limited, Elbrus Investments Pte. Ltd., and V-Sciences Investments Pte Ltd. The parties to this Agreement agree to prepare jo

November 4, 2020 EX-3.1

Restated Certificate of Incorporation of SQZ Biotechnologies Company

EX-3.1 Exhibit 3.1 RESTATED CERTIFICATE OF INCORPORATION OF SQZ BIOTECHNOLOGIES COMPANY The name of the corporation is SQZ Biotechnologies Company. The corporation was originally incorporated by the filing of its original Certificate of Incorporation with the Secretary of State of the State of Delaware on March 22, 2013. This Restated Certificate of Incorporation of the corporation, which restates

November 4, 2020 8-K

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits - 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): November 3, 2020 SQZ BIOTECHNOLOGIES COMPANY (Exact name of registrant as specified in its charter) Delaware 001-39662 46-2431115 (State or other jurisdiction of incorporation or

October 30, 2020 EX-99.2

2020 Incentive Award Plan and form of agreements thereunder

EX-99.2 Exhibit 99.2 SQZ BIOTECHNOLOGIES COMPANY 2020 INCENTIVE AWARD PLAN ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities. Capitalized terms used in the Plan are defined in Article XI. ARTICLE

October 30, 2020 S-8

- S-8

S-8 As filed with the Securities and Exchange Commission on October 30, 2020 Registration No.

October 30, 2020 EX-99.1

2014 Stock Incentive Plan, as amended, and form of agreements thereunder

EX-99.1 Exhibit 99.1 SQZ Biotechnologies Company 2014 Stock Incentive Plan 1. Purpose. The purpose of this plan (the “Plan”) is to secure for SQZ Biotechnologies Company., a Delaware corporation (the “Company”) and its shareholders the benefits arising from capital stock ownership by employees, officers and directors of, and consultants or advisors to, the Company and its parent and subsidiary cor

October 30, 2020 424B4

4,411,765 Shares Common Stock

424B4 Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-249422 PROSPECTUS 4,411,765 Shares Common Stock This is SQZ Biotechnologies Company’s initial public offering. We are offering 4,411,765 shares of our common stock. Prior to this offering, there has been no public market for our common stock. The initial public offering price of our common stock is $16.00 per share. Our

October 30, 2020 EX-4.3

Form of Restated Certificate of Incorporation of the Registrant (to be effective upon the closing of the Registrant’s initial public offering of its Common Stock)

EX-4.3 Exhibit 4.3 RESTATED CERTIFICATE OF INCORPORATION OF SQZ BIOTECHNOLOGIES COMPANY The name of the corporation is SQZ Biotechnologies Company. The corporation was originally incorporated by the filing of its original Certificate of Incorporation with the Secretary of State of the State of Delaware on March 22, 2013. This Restated Certificate of Incorporation of the corporation, which restates

October 30, 2020 EX-99.3

2020 Employee Stock Purchase Plan

EX-99.3 Exhibit 99.3 SQZ BIOTECHNOLOGIES COMPANY 2020 EMPLOYEE STOCK PURCHASE PLAN ARTICLE I. PURPOSE The purposes of this SQZ Biotechnologies Company 2020 Employee Stock Purchase Plan (as it may be amended or restated from time to time, the “Plan”) are to assist Eligible Employees of SQZ Biotechnologies Company, a Delaware corporation (the “Company”), and its Designated Subsidiaries in acquiring

October 27, 2020 CORRESP

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CORRESP October 27, 2020 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attn: Christie Wong Lisa Vanjoske Chris Edwards Celeste Murphy Re: SQZ Biotechnologies Company Registration Statement on Form S-1 Registration No. 333-249422 Acceleration Request Requested Date: October 29, 2020 Requested Time: 4:00 PM, Eastern Daylig

October 27, 2020 CORRESP

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CORRESP October 27, 2020 Via EDGAR Transmission United States Securities and Exchange Commission Division of Corporation Finance Office of Life Sciences 100 F Street, N.

October 27, 2020 CORRESP

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CORRESP October 27, 2020 VIA EDGAR Division of Corporation Finance Office of Life Sciences United States Securities and Exchange Commission 100 F Street, N.

October 26, 2020 EX-10.13

Employment Agreement between the Registrant and Oliver Rosen, M.D., dated October 23, 2020

EX-10.13 15 d877186dex1013.htm EX-10.13 Exhibit 10.13 Employment Agreement This Employment Agreement (this “Agreement”), dated as of October 23, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the “Company”), and Oliver Rosen, M.D. (“Executive”) (collectively referred to herein as the “Parties” or individually referred to as a

October 26, 2020 EX-10.1

2014 Stock Incentive Plan, as amended, and form of agreements thereunder

EX-10.1 Exhibit 10.1 SQZ Biotechnologies Company 2014 Stock Incentive Plan 1. Purpose. The purpose of this plan (the “Plan”) is to secure for SQZ Biotechnologies Company., a Delaware corporation (the “Company”) and its shareholders the benefits arising from capital stock ownership by employees, officers and directors of, and consultants or advisors to, the Company and its parent and subsidiary cor

October 26, 2020 EX-10.4

2020 Employee Stock Purchase Plan

EX-10.4 Exhibit 10.4 SQZ BIOTECHNOLOGIES COMPANY 2020 EMPLOYEE STOCK PURCHASE PLAN ARTICLE I. PURPOSE The purposes of this SQZ Biotechnologies Company 2020 Employee Stock Purchase Plan (as it may be amended or restated from time to time, the “Plan”) are to assist Eligible Employees of SQZ Biotechnologies Company, a Delaware corporation (the “Company”), and its Designated Subsidiaries in acquiring

October 26, 2020 EX-4.1

Amended and Restated Investors’ Rights Agreement, dated as of December 19, 2019, as amended

EX-4.1 Exhibit 4.1 THIRD AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT THIS THIRD AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (this “Agreement”), is made as of December 19, 2019, by and among SQZ Biotechnologies Company, a Delaware corporation (the “Company”), and each of the investors listed on Schedule A hereto, each of which is referred to in this Agreement as an “Investor” and any Addi

October 26, 2020 EX-3.3

Form of Restated Certificate of Incorporation of the Registrant (to be effective upon the closing of this offering)

Exhibit 3.3 RESTATED CERTIFICATE OF INCORPORATION OF SQZ BIOTECHNOLOGIES COMPANY The name of the corporation is SQZ Biotechnologies Company. The corporation was originally incorporated by the filing of its original Certificate of Incorporation with the Secretary of State of the State of Delaware on March 22, 2013. This Restated Certificate of Incorporation of the corporation, which restates and in

October 26, 2020 EX-10.2

2020 Incentive Award Plan and form of agreements thereunder

EX-10.2 Exhibit 10.2 SQZ BIOTECHNOLOGIES COMPANY 2020 INCENTIVE AWARD PLAN ARTICLE I. PURPOSE The Plan’s purpose is to enhance the Company’s ability to attract, retain and motivate persons who make (or are expected to make) important contributions to the Company by providing these individuals with equity ownership opportunities. Capitalized terms used in the Plan are defined in Article XI. ARTICLE

October 26, 2020 EX-10.12

Employment Agreement between the Registrant and Teri Loxam, dated October 23, 2020

EX-10.12 Exhibit 10.12 Employment Agreement This Employment Agreement (this “Agreement”), dated as of October 23, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the “Company”), and Teri Loxam (“Executive”) (collectively referred to herein as the “Parties” or individually referred to as a “Party”), and will become effective, if

October 26, 2020 8-A12B

Form 8-A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 SQZ Biotechnologies Company (Exact name of registrant as specified in its charter) Delaware 46-2431115 (State of incorporation or organization) (I.R.S. Employer Identification No.) 200 Arsenal Yard

October 26, 2020 S-1/A

- S-1/A

S-1/A Table of Contents As filed with the Securities and Exchange Commission on October 26, 2020 Registration No.

October 26, 2020 EX-3.4

Amended and Restated Bylaws of SQZ Biotechnologies Company

EX-3.4 Exhibit 3.4 AMENDED AND RESTATED BYLAWS OF SQZ BIOTECHNOLOGIES COMPANY (a Delaware corporation) TABLE OF CONTENTS Page ARTICLE I - CORPORATE OFFICES 1 1.1 REGISTERED OFFICE 1 1.2 OTHER OFFICES 1 ARTICLE II - MEETINGS OF STOCKHOLDERS 1 2.1 PLACE OF MEETINGS 1 2.2 ANNUAL MEETING 1 2.3 SPECIAL MEETING 1 2.4 ADVANCE NOTICE PROCEDURES FOR BUSINESS BROUGHT BEFORE A MEETING 2 2.5 ADVANCE NOTICE PR

October 26, 2020 EX-3.1

Amended and Restated Certificate of Incorporation of the Registrant, as amended (currently in effect)

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF SQZ BIOTECHNOLOGIES COMPANY (Pursuant to Sections 242 and 245 of the General Corporation Law of the State of Delaware) SQZ Biotechnologies Company, a corporation organized and existing under and by virtue of the provisions of the General Corporation Law of the State of Delaware (the “General Corporation Law”), DOES HEREBY CERTIFY: 1.

October 26, 2020 EX-10.6

Lease between the Registrant and Arsenal Yards Holding LLC, dated December 11, 2018

EX-10.6 13 d877186dex106.htm EX-10.6 Exhibit 10.6 LEASE From ARSENAL YARDS HOLDING LLC Landlord To SQZ BIOTECHNOLOGIES COMPANY Tenant Arsenal Yards, Watertown, Massachusetts TABLE OF CONTENTS Page ARTICLE 1: BASIC TERMS 1 ARTICLE 2: PREMISES; APPURTENANT RIGHTS; COMMON AREAS; PARKING; CHANGES TO DEVELOPMENT 4 2.01. Lease of Premises; Appurtenant Rights 4 2.01(a) General 4 2.01(b) Exclusions 4 2.01

October 26, 2020 EX-1.1

Form of Underwriting Agreement

Exhibit 1.1 [●] SQZ Biotechnologies Company UNDERWRITING AGREEMENT [●], 2020 BOFA SECURITIES, INC. EVERCORE GROUP L.L.C. STIFEL, NICOLAUS & COMPANY, INCORPORATED As Representatives of the several Underwriters c/o BOFA SECURITIES, INC. One Bryant Park New York, New York 10036 c/o EVERCORE GROUP L.L.C. 55 East 52nd Street New York, New York 10055 c/o STIFEL, NICOLAUS & COMPANY, INCORPORATED 787 7th

October 26, 2020 EX-10.5

Form of Indemnification Agreement for Directors and Officers

EX-10.5 Exhibit 10.5 SQZ BIOTECHNOLOGIES COMPANY INDEMNIFICATION AGREEMENT THIS INDEMNIFICATION AGREEMENT (the “Agreement”) is made and entered into as of , 20[20] between SQZ Biotechnologies Company, a Delaware corporation (the “Company”), and [Name] (“Indemnitee”). WITNESSETH THAT: WHEREAS, highly competent persons have become more reluctant to serve corporations as directors, officers or in oth

October 26, 2020 EX-10.14

Employment Agreement between the Registrant and Armon Sharei, Ph.D., dated October 23, 2020

EX-10.14 Exhibit 10.14 Employment Agreement This Employment Agreement (this “Agreement”), dated as of October 23, 2020, is made by and between SQZ Biotechnologies Company, a Delaware corporation (together with any successor thereto, the “Company”), and Armon Sharei, Ph.D. (“Executive”) (collectively referred to herein as the “Parties” or individually referred to as a “Party”), and will become effe

October 26, 2020 EX-10.3

Non-Employee Director Compensation Program

EX-10.3 Exhibit 10.3 SQZ BIOTECHNOLOGIES COMPANY NON-EMPLOYEE DIRECTOR COMPENSATION PROGRAM Non-employee members of the board of directors (the “Board”) of SQZ Biotechnologies Company (the “Company”) shall receive cash and equity compensation as set forth in this Non-Employee Director Compensation Program (this “Program”). The cash and equity compensation described in this Program shall be paid or

October 14, 2020 CORRESP

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October 14, 2020 FOIA CONFIDENTIAL TREATMENT REQUEST UNDER 17 C.F.R. §200.83 The entity requesting confidential treatment is: SQZ Biotechnologies Company 200 Arsenal Yards Blvd., Suite 210 Watertown, MA 02472 Certain confidential information in this letter has been omitted and provided separately to the Securities and Exchange Commission. Confidential treatment has been requested by SQZ Biotechnol

October 9, 2020 EX-4.3

Warrant to Purchase Stock, dated October 21, 2015, issued to Silicon Valley Bank

EX-4.3 Exhibit 4.3 THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “ACT”), OR THE SECURITIES LAWS OF ANY STATE AND, EXCEPT AS SET FORTH IN SECTIONS 5.3 AND 5.4 BELOW, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED UNLESS AND UNTIL REGISTERED UNDER SAID ACT AND LAWS OR, IN THE OPINION OF LEGAL COUNSEL IN FORM AND

October 9, 2020 EX-21.1

Subsidiaries of the Registrant

EX-21.1 Exhibit 21.1 SUBSIDIARIES OF SQZ BIOTECHNOLOGIES COMPANY Legal Name of Subsidiary Jurisdiction of Organization SQZ Biotechnologies Security Corporation Massachusetts

October 9, 2020 EX-3.2

Bylaws of the Registrant (currently in effect)

EX-3.2 Exhibit 3.2 BY-LAWS OF SQZ BIOTECHNOLOGIES COMPANY Section 1 CERTIFICATE OF INCORPORATION AND BY-LAWS 1.1 These by-laws are subject to the certificate of incorporation of the corporation. In these by-laws, references to the certificate of incorporation and by-laws mean the provisions of the certificate of incorporation and the by-laws as are from time to time in effect. Section 2 OFFICES 2.

October 9, 2020 EX-10.1

2014 Stock Incentive Plan, as amended, and form of agreements thereunder

Exhibit 10.1 SQZ Biotechnologies Company 2014 Stock Incentive Plan 1. Purpose. The purpose of this plan (the “Plan”) is to secure for SQZ Biotechnologies Company., a Delaware corporation (the “Company”) and its shareholders the benefits arising from capital stock ownership by employees, officers and directors of, and consultants or advisors to, the Company and its parent and subsidiary corporation

October 9, 2020 EX-10.9

Amended and Restated Exclusive Patent License Agreement, dated as of December 1, 2015, by and between the Registrant and Massachusetts Institute of Technology

EX-10.9 Exhibit 10.9 Last Modified: Dec. 1, 2015 TLO: TI’/BR/SN SQZ BIOTECHNOLOGIES, INC. MASSACHUSETTS INSTITUTE OF TECHNOLOGY AMENDED AND RESTATED EXCLUSIVE PATENT LICENSE AGREEMENT [***] 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 publicl

October 9, 2020 EX-4.1

Amended and Restated Investors’ Rights Agreement, dated as of December 19, 2019

EX-4.1 4 d877186dex41.htm EX-4.1 Exhibit 4.1 THIRD AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT THIS THIRD AMENDED AND RESTATED INVESTORS’ RIGHTS AGREEMENT (this “Agreement”), is made as of December 19, 2019, by and among SQZ Biotechnologies Company, a Delaware corporation (the “Company”), and each of the investors listed on Schedule A hereto, each of which is referred to in this Agreement as

October 9, 2020 EX-4.2

Specimen Common Stock Certificate

EX-4.2 Exhibit 4.2 COMMON STOCK SHARES CUSIP SEE REVERSE FOR CERTAIN DEFINITIONS SQZ Biotechnologies Company INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE THIS CERTIFIES THAT SPECIMEN IS THE RECORD HOLDER OF FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, $0.001 PAR VALUE PER SHARE, OF SQZ Biotechnologies Company transferable on the books of the Corporation in person or by duly author

October 9, 2020 EX-3.1

Amended and Restated Certificate of Incorporation of the Registrant, as amended (currently in effect)

EX-3.1 Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF SQZ BIOTECHNOLOGIES COMPANY (Pursuant to Sections 242 and 245 of the General Corporation Law of the State of Delaware) SQZ Biotechnologies Company, a corporation organized and existing under and by virtue of the provisions of the General Corporation Law of the State of Delaware (the “General Corporation Law”), DOES HEREBY CERT

October 9, 2020 EX-10.7

License and Collaboration Agreement among Registrant, F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc., effective as of October 5, 2018

EX-10.7 8 d877186dex107.htm EX-10.7 Exhibit 10.7 Confidential License and Collaboration Agreement This Agreement is entered into with effect as of the Effective Date (as defined below) by and between F.Hoffmann-La Roche Ltd with an office and place of business at Grenzacherstrasse 124, 4070 Basel, Switzerland (“Roche Basel”) and Hoffmann-La Roche Inc. with an office and place of business at 150 Cl

October 9, 2020 EX-10.11

Offer Letter between the Registrant and Oliver Rosen, M.D., dated October 31, 2018

Exhibit 10.11 SQZ Biotechnologies Company 134 Coolidge Avenue Watertown, Massachusetts 02472 October 31, 2018 Oliver Rosen Dear Oliver: SQZ Biotechnologies Company (the “Company”) is pleased to offer you the position of Chief Medical Officer in Watertown, MA. The following represents our offer of employment to join the Company and is contingent upon satisfactory completion of the Company’s standar

October 9, 2020 EX-10.10

Offer Letter between the Registrant and Teri Loxam, dated July 17, 2019

EX-10.10 Exhibit 10.10 SQZ Biotechnologies Company 134 Coolidge Avenue Watertown, Massachusetts 02472 July 17, 2019 Teri Loxam Dear Teri: SQZ Biotechnologies Company (the “Company”) is pleased to offer you the position of Chief Financial Officer in Watertown, MA. The following represents our offer of employment to join the Company and is contingent upon satisfactory completion of your references a

October 9, 2020 EX-10.8

Accord relating to License and Collaboration Agreement among Registrant, F. Hoffmann-La Roche Ltd and Hoffmann-La Roche Inc., effective as of November 5, 2019

EX-10.8 Exhibit 10.8 Accord relating to License and Collaboration Agreement This accord (“Accord”) effective November 5, 2019 (“Accord Effective Date”) is made in connection with the License and Collaboration Agreement effective October 5, 2018 by and between F. Hoffmann-La Roche Ltd (“Roche Basel”) and Hoffmann-La Roche Inc. (“"Roche US”; Roche Basel and Roche US together referred to as “Roche”),

October 9, 2020 EX-16.1

Letter of Katz, Nannis + Solomon, P.C., Independent Public Accountants

EX-16.1 Exhibit 16.1 October 9, 2020 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by SQZ Biotechnologies Company pursuant to Item 304(a)(1) of Regulation S-K (copy attached), which we understand will be filed with the Securities and Exchange Commission as part of the Registration Statement on Form S-1 of SQZ Biotechnolog

October 9, 2020 S-1

Registration Statement - S-1

S-1 Table of Contents As filed with the Securities and Exchange Commission on October 9, 2020 Registration No.

September 25, 2020 DRS/A

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DRS/A Table of Contents As confidentially submitted to the Securities and Exchange Commission on September 24, 2020 as Amendment No.

September 24, 2020 DRSLTR

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DRSLTR 200 Clarendon Street Boston, Massachusetts 02116 Tel: +1.617.948.6000 Fax: +1.617.948.6001 www.lw.com FIRM / AFFILIATE OFFICES Beijing Moscow Boston Munich Brussels New York Century City Orange County Chicago Paris Dubai Riyadh Düsseldorf San Diego Frankfurt San Francisco Hamburg Seoul Hong Kong Shanghai Hotiuston Silicon Valley London Singapore September 24, 2020 Los Angeles Tokyo Madrid W

August 28, 2020 EX-10.9

SQZ BIOTECHNOLOGIES, INC. MASSACHUSETTS INSTITUTE OF TECHNOLOGY AMENDED AND RESTATED EXCLUSIVE PATENT LICENSE AGREEMENT

EX-10.9 4 filename4.htm Exhibit 10.9 Last Modified: Dec. 1, 2015 TLO: TI’/BR/SN SQZ BIOTECHNOLOGIES, INC. MASSACHUSETTS INSTITUTE OF TECHNOLOGY AMENDED AND RESTATED EXCLUSIVE PATENT LICENSE AGREEMENT [***] 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 regis

August 28, 2020 EX-10.8

Accord relating to License and Collaboration Agreement

EX-10.8 Exhibit 10.8 Accord relating to License and Collaboration Agreement This accord (“Accord”) effective November 5, 2019 (“Accord Effective Date”) is made in connection with the License and Collaboration Agreement effective October 5, 2018 by and between F. Hoffmann-La Roche Ltd (“Roche Basel”) and Hoffmann-La Roche Inc. (“"Roche US”; Roche Basel and Roche US together referred to as “Roche”),

August 28, 2020 EX-10.7

License and Collaboration Agreement

EX-10.7 Exhibit 10.7 Confidential License and Collaboration Agreement This Agreement is entered into with effect as of the Effective Date (as defined below) by and between F.Hoffmann-La Roche Ltd with an office and place of business at Grenzacherstrasse 124, 4070 Basel, Switzerland (“Roche Basel”) and Hoffmann-La Roche Inc. with an office and place of business at 150 Clove Road, Suite 8, Little Fa

August 28, 2020 DRS/A

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DRS/A Table of Contents As confidentially submitted to the Securities and Exchange Commission on August 27, 2020 as Amendment No.

August 27, 2020 DRSLTR

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200 Clarendon Street Boston, Massachusetts 02116 Tel: +1.617.948.6000 Fax: +1.617.948.6001 www.lw.com FIRM / AFFILIATE OFFICES Beijing Moscow Boston Munich Brussels New York Century City Orange County Chicago Paris Dubai Riyadh Düsseldorf San Diego Frankfurt San Francisco Hamburg Seoul Hong Kong Shanghai Houston Silicon Valley London Singapore August 27, 2020 Los Angeles Tokyo Madrid Washington, D

July 21, 2020 EX-3.2

BY-LAWS SQZ BIOTECHNOLOGIES COMPANY

EX-3.2 Exhibit 3.2 BY-LAWS OF SQZ BIOTECHNOLOGIES COMPANY Section 1 CERTIFICATE OF INCORPORATION AND BY-LAWS 1.1 These by-laws are subject to the certificate of incorporation of the corporation. In these by-laws, references to the certificate of incorporation and by-laws mean the provisions of the certificate of incorporation and the by-laws as are from time to time in effect. Section 2 OFFICES 2.

July 21, 2020 EX-3.1

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION SQZ BIOTECHNOLOGIES COMPANY (Pursuant to Sections 242 and 245 of the General Corporation Law of the State of Delaware)

EX-3.1 2 filename2.htm Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF SQZ BIOTECHNOLOGIES COMPANY (Pursuant to Sections 242 and 245 of the General Corporation Law of the State of Delaware) SQZ Biotechnologies Company, a corporation organized and existing under and by virtue of the provisions of the General Corporation Law of the State of Delaware (the “General Corporation Law”),

July 21, 2020 DRS

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DRS Table of Contents As confidentially submitted to the Securities and Exchange Commission on July 20, 2020 Registration No.

July 21, 2020 EX-10.1

SQZ Biotechnologies Company 2014 Stock Incentive Plan

EX-10.1 Exhibit 10.1 SQZ Biotechnologies Company 2014 Stock Incentive Plan 1. Purpose. The purpose of this plan (the “Plan”) is to secure for SQZ Biotechnologies Company., a Delaware corporation (the “Company”) and its shareholders the benefits arising from capital stock ownership by employees, officers and directors of, and consultants or advisors to, the Company and its parent and subsidiary cor

July 21, 2020 EX-21.1

SUBSIDIARIES OF SQZ BIOTECHNOLOGIES COMPANY Legal Name of Subsidiary Jurisdiction of Organization SQZ Biotechnologies Security Corporation Massachusetts

EX-21.1 Exhibit 21.1 SUBSIDIARIES OF SQZ BIOTECHNOLOGIES COMPANY Legal Name of Subsidiary Jurisdiction of Organization SQZ Biotechnologies Security Corporation Massachusetts

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