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Acumen Pharmaceuticals, Inc.

For the period ended Dec 31, 2025. Filed Mar 26, 2026.

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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.

FY2025 · Filed Mar 26, 2026

ABOS$0.23-3.0%Stored close · as of Nov 10, 2026

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Contents

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

Item 15. Exhibit and Financial Statement Schedules.

(a)(1) Financial Statements

The financial statements are included in Item 8. “Financial Statements and Supplementary Data.”

(a)(2) Financial Statement Schedules

All schedules are omitted as information required is inapplicable or the information is presented in the financial statements and the related notes.

(a)(3) Exhibits

Exhibit NumberDescription of Exhibit
3.1Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (File No. 001-40551), filed with the Securities and Exchange Commission on June 8, 2023).
3.2Amended and Restated Bylaws (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 15, 2023).
4.1Description of the Company’s Common Stock (incorporated by reference to Exhibit 4.2 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 28, 2022).
10.1†License Agreement, by and between the Registrant and Lonza Sales AG, dated November 2, 2022 (incorporated by reference to Exhibit 10.1 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 27, 2023).
10.2†Collaboration Agreement, by and between the Registrant and Merck & Co., Inc., dated December 22, 2003, as amended and restated as of October 18, 2006 (incorporated by reference to Exhibit 10.1 to the Company’s Registration Statement on Form S-1/A (File No. 333-256945), filed with the Securities and Exchange Commission on June 24, 2021).
10.3+2021 Equity Incentive Plan and Forms of Option Grant Notice and Agreement, Exercise Notice, Early Exercise Notice and Restricted Stock Award Notice (incorporated by reference to Exhibit 10.2 to the Company’s Registration Statement on Form S-1/A (File No. 333-256945), filed with the Securities and Exchange Commission on June 24, 2021).
10.4*+Amended and Restated Non-Employee Director Compensation Policy
10.5+2021 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.4 to the Company’s Registration Statement on Form S-1/A (File No. 333-256945), filed with the Securities and Exchange Commission on June 24, 2021).
10.6+2013 Amended and Restated Stock Performance Plan (as amended through November 20, 2020) (incorporated by reference to Exhibit 10.5 to the Company’s Registration Statement on Form S-1 (File No. 333-256945), filed with the Securities and Exchange Commission on June 9, 2021).
10.7+Form of Indemnification Agreement with Executive Officers and Directors (incorporated by reference to Exhibit 10.6 to the Company’s Registration Statement on Form S-1/A (File No. 333-256945), filed with the Securities and Exchange Commission on June 24, 2021).
Exhibit NumberDescription of Exhibit
10.8+Amended and Restated Executive Employment Agreement, by and between the Registrant and Daniel O’Connell (incorporated by reference to Exhibit 10.7 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 28, 2022).
10.9+Amended and Restated Executive Employment Agreement, by and between the Registrant and Matthew Zuga (incorporated by reference to Exhibit 10.8 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 28, 2022).
10.10+Executive Employment Agreement, by and between the Registrant and James Doherty (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-40551), filed with the Securities and Exchange Commission on May 13, 2025).
10.11Lease, by and between Registrant and DIV Washington, LLC, dated September 11, 2023 (incorporated by reference to Exhibit 10.13 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 26, 2024).
10.12Non-Exclusive Collaboration and License Agreement, by and between the Registrant and Halozyme, Inc., dated November 5, 2023 (incorporated by reference to Exhibit 10.14 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 26, 2024).
10.13Loan and Security Agreement by and among the Registrant and the lenders party thereto, K2 Health Ventures LLC, as administrative agent, and Ankura Trust Company, LLC, as collateral agent, dated as of November 10, 2023 (incorporated by reference to Exhibit 10.15 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 26, 2024).
10.14Collaboration, Option, and License Agreement by and between the Company and JCR Pharmaceuticals Co., Ltd., dated July 15, 2025 (incorporated by reference to Exhibit 10.1 to the Company’s Quarterly Report on Form 10-Q (File No. 001-40551), filed with the Securities and Exchange Commission on August 12, 2025).
19.1Amended and Restated Insider Trading Policy (incorporated by reference to Exhibit 19.1 to the Company's Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 27, 2025).
23.1*Consent of Ernst & Young LLP, independent registered accounting firm.
24.1*Power of Attorney (included on signature page).
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.
97.1Policy for Recoupment of Incentive Compensation (incorporated by reference to Exhibit 97.1 to the Company’s Annual Report on Form 10-K (File No. 001-40551), filed with the Securities and Exchange Commission on March 26, 2024).
101.INS*Inline XBRL Instance Document.
101.SCH*Inline XBRL Taxonomy Extension Schema Document.
Exhibit NumberDescription of Exhibit
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.
104Cover Page Interactive Data File (embedded within the Inline XBRL document).
*Filed herewith.
†Pursuant to Item 601(b)(10) of Regulation S-K, certain confidential portions of this exhibit have been omitted by means of marking such portions with asterisks [***] as the identified confidential portions (i) are not material and (ii) the Registrant customarily and actually treats that information as private or confidential.
+Indicates management contract or compensatory plan.
#These certifications are being furnished solely to accompany this annual report pursuant to 18 U.S.C. Section 1350, and are not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and are not to be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing.
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