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Prime Medicine Inc

For the period ended Dec 31, 2023. Filed Mar 1, 2024.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2023 · Filed Mar 1, 2024

PRME$3.90-9.3%Stored close · as of Nov 10, 2026

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Contents

Item 15. Exhibits and Financial Statement Schedules

(1) Financial Statements

For a list of the financial statements included herein, see Index to the Consolidated Financial Statements on page F-1 of this Annual Report on Form 10-K, incorporated into this Item by reference.

(2) Financial Statement Schedules

Schedules have been omitted since they are either not required or not applicable or the information is otherwise included herein.

(3) Exhibits

Exhibit numberDescription of exhibit
3.1Third Amended and Restated Certificate of Incorporation of Prime Medicine, Inc. (incorporated by reference to Exhibit 3.1 to the Registrant’s Current Report on Form 8-K, filed with the SEC on October 24, 2022)
3.2Amended and Restated Bylaws of Prime Medicine, Inc. (incorporated by reference to Exhibit 3.2 to the Registrant’s Current Report on Form 8-K, filed with the SEC on October 24, 2022)
4.1Amended and Restated Investors’ Rights Agreement among the Registrant and certain of its stockholders, dated April 20, 2021 (incorporated by reference to Exhibit 4.1 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
4.2Form of Common Stock Certificate (incorporated by reference to Exhibit 4.2 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
4.3*Description of Securities (incorporated by reference to Exhibit 4.3 of the Registrant’s 2022 Annual Report on Form 10-K, filed with the SEC on March 9, 2023)
4.4Form of Pre-Funded Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on February 16, 2024)
10.1#2019 Stock Option and Grant Plan, as amended, and forms of award agreements thereunder (incorporated by reference to Exhibit 10.1 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.2#2022 Stock Option and Incentive Plan and forms of award agreements thereunder (incorporated by reference to Exhibit 10.2 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.3#2022 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.3 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.4#Senior Executive Cash Incentive Bonus Plan (incorporated by reference to Exhibit 10.4 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.5#Non-Employee Director Compensation Policy (incorporated by reference to Exhibit 10.5 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.6#Form of Officer Indemnification Agreement (incorporated by reference to Exhibit 10.6 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.7#Form of Director Indemnification Agreement (incorporated by reference to Exhibit 10.7 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.8#Amended and Restated Employment Agreement, dated July 7, 2022, between the Registrant and Keith Gottesdiener (incorporated by reference to Exhibit 10.8 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.9#Amended and Restated Employment Agreement, dated July 20, 2022, between the Registrant and Jeremy Duffield (incorporated by reference to Exhibit 10.9 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.10#Amended and Restated Employment Agreement, dated July 11, 2022, between the Registrant and Ann Lee (incorporated by reference to Exhibit 10.10 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
Exhibit numberDescription of exhibit
10.11#Amended and Restated Employment Agreement, dated July 7, 2022, between the Registrant and Carman Alenson (incorporated by reference to Exhibit 10.11 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022
10.12#Amended and Restated Employment Agreement, dated July 7, 2022, between the Registrant and Meredith Goldwasser (incorporated by reference to Exhibit 10.12 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.13#Employment Agreement, effective as of January 17, 2024, between the Registrant and Allan Reine (incorporated by reference to Exhibit 10.1 of the Registrant’s Current Report on Form 8-K filed with the SEC on January 5, 2024)
10.14†Collaboration and License Agreement, dated September 26, 2019, between Beam Therapeutics Inc. and the Registrant (incorporated by reference to Exhibit 10.13 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.15†License Agreement, dated September 26, 2019, between The Broad Institute, Inc. and the Registrant, as amended (incorporated by reference to Exhibit 10.14 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.16†Amendment No. 1 to License Agreement, dated May 5, 2020, between The Broad Institute, Inc. and the Registrant (incorporated by reference to Exhibit 10.15 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.17†Amendment No. 2 to License Agreement, dated February 18, 2021, between The Broad Institute, Inc. and the Registrant (incorporated by reference to Exhibit 10.16 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.18†Amendment No. 3 to License Agreement, dated December 22, 2022, between The Broad Institute, Inc. and the Registrant (incorporated by reference to Exhibit 10.17 of the Registrant’s Annual Report on Form 10-K, filed with the SEC on March 9, 2023)
10.19†License Agreement, dated December 22, 2022, between The Broad Institute, Inc. and the Registrant (incorporated by reference to Exhibit 10.17 of the Registrant’s Annual Report on Form 10-K, filed with the SEC on March 9, 2023)
10.20Pledge from Prime Medicine, amended and restated August 2022, between The Broad Institute, Inc. and the Registrant (incorporated by reference to Exhibit 10.17 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.21+License Agreement, dated March 16, 2020, between MIL 21E, LLC and the Registrant, as amended (incorporated by reference to Exhibit 10.18 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.22*Amendment No. 12 to License Agreement, dated October 2, 2023, between MIL 21E, LLC and the Registrant
10.23+Consulting Agreement between the Registrant and David Liu, dated September 13, 2019 (incorporated by reference to Exhibit 10.19 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.24Amendment No. 1 to the Consulting Agreement between the Registrant and David Liu, dated October 22, 2021 (incorporated by reference to Exhibit 10.20 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.25+Andrew Anzalone Offer Letter, dated December 20, 2019 (incorporated by reference to Exhibit 10.21 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.26Andrew Anzalone Confidentiality, Assignment and Nonsolicitation Agreement, dated October 16, 2020 (incorporated by reference to Exhibit 10.22 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
10.27#Form of Executive Employment Agreement (incorporated by reference to Exhibit 10.23 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022
10.28#Amendment No. 1 to Amended and Restated Employment Agreement, dated July 6, 2023, between Registrant and Keith Gottesdiener (incorporated by reference to Exhibit 10.1 to the Registrant’s Quarterly Report on Form 10-Q filed with the SEC on November 3, 2023).
10.29Lease Agreement, dated as of November 22, 2021, between NW Cambridge Property Owner, LLC and the Registrant (incorporated by reference to Exhibit 10.1 of the Registrant’s Quarterly Report on Form 10-Q filed with the SEC on August 7, 2023)
Exhibit numberDescription of exhibit
21.1Subsidiaries of the Registrant (incorporated by reference to Exhibit 21.1 of the Registrant’s Registration Statement on Form S-1/A (File No. 333-267579) filed on October 17, 2022)
23.1*Consent of PricewaterhouseCoopers, LLP, Independent Registered Public Accounting Firm
31.1*Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
97.1*Prime Medicine, Inc. Compensation Recovery Policy, dated September 15, 2023
101.INS*Inline XBRL Instance Document
101.SCH*Inline XBRL Taxonomy Extension Schema Document
101.CAL*Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF*Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB*Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE*Inline XBRL Taxonomy Extension Presentation Linkbase Document
104*Cover Page Interactive Data File (embedded within the Inline XBRL document)
  • Filed herewith.

** The certifications furnished in Exhibit 32.1 and Exhibit 32.2 hereto are deemed to accompany this Annual Report on Form 10-K and will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended. Such certifications will not be deemed to be incorporated by reference into any filings under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, except to the extent that the Registrant specifically incorporates it by reference.

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