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Amentum Holdings, Inc.

For the period ended Oct 3, 2025. Filed Nov 25, 2025.

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About this filing

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 Nov 25, 2025

AMTM$23.13+3.5%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Item 15. Exhibits and Financial Statement Schedules

The following documents are filed as part of this Annual Report:

(1) Financial Statements

Consolidated Statements of Shareholders' Equity

Notes to the Consolidated Financial Statements

(2) Financial Statement Schedules

All schedules have been omitted because they are not applicable, not required or the information has been otherwise supplied in the consolidated financial statements or notes to consolidated financial statements.

(3)Exhibits: The exhibits, which are filed with this Annual Report on Form 10-K or which are incorporated herein are set forth in the Exhibit Index.

Exhibit No.DescriptionFormFiling DateExhibit No.
2.1Agreement and Plan of Merger, dated November 20, 2023, by and among Jacobs Solutions Inc., Amazon Holdco Inc., Amentum Parent Holdings LLC and Amentum Joint Venture LP.10September 13, 20242.1
2.2Amendment to Agreement and Plan of Merger, dated August 26, 2024, by and among Jacobs Solutions Inc., Amazon Holdco Inc., Amentum Parent Holdings LLC and Amentum Joint Venture LP.10September 13, 20242.2
2.3Separation and Distribution Agreement, dated November 20, 2023, by and among Jacobs Solutions Inc., Amazon Holdco Inc., Amentum Parent Holdings LLC and Amentum Joint Venture LP.10September 13, 20242.3
3.1Certificate of Incorporation of Amentum Holdings, Inc., as amended to date.8-KOctober 3, 20243.1
3.2By-laws of Amentum Holdings, Inc., as amended to date8-KOctober 3, 20243.2
4.1Indenture, dated as of August 13, 2024, between Amentum Escrow Corporation and U.S. Bank Trust Company, National Association, as trustee.8-K/AOctober 3, 20244.1
4.2Form of 7.250% Senior Note due 2032 (included in Exhibit 4.1).8-K/AOctober 3, 20244.2
4.3First Supplemental Indenture, dated as of September 27, 2024, between the guarantors party thereto and U.S. Bank Trust Company, National Association, as trustee.8-K/AOctober 3, 20244.3
4.4Second Supplemental Indenture, dated as of September 27, 2024, between Amazon Holdco Inc. and U.S. Bank Trust Company, National Association, as trustee.8-K/AOctober 3, 20244.4
4.5Third Supplemental Indenture, dated as of December 10, 2024, between Amazon Holdco Inc. and U.S. Bank Trust Company, National Association, as trustee.10-QFebruary 5, 20254.1
4.6Description of the Company’s Securities Registered Pursuant to Section 12 of the Exchange Act of 1934.10-KDecember 17, 20244.5
10.1Credit Agreement, dated as of September 27, 2024, by and among Amentum Holdings, Inc. (as successor in interest to Amentum Parent Holdings LLC), the borrowing subsidiaries from time to time party thereto, the lenders from time to time party hereto and JPMorgan Chase Bank, N.A., as administrative agent.8-K/AOctober 3, 202410.1
10.2Transition Services Agreement by and between Jacobs Solutions Inc. and Amazon Holdco Inc.8-KOctober 3, 202410.2
10.3Project Services Agreement by and between Jacobs Solutions Inc. and Amazon Holdco Inc.8-KOctober 3, 202410.3
10.4Tax Matters Agreement by and between Jacobs Solutions Inc., Amazon Holdco Inc., Amentum Parents Holdings LLC and Amentum Joint Venture LP.8-KOctober 3, 202410.4
10.5Registration Rights Agreement by and between Amazon Holdco Inc. and Jacobs Solutions Inc.8-KOctober 3, 202410.5
10.6Stockholders Agreement by and between Amazon Holdco Inc. and Amentum Joint Venture LP.8-KOctober 3, 202410.6
10.7Form of Indemnification Agreement8-KOctober 3, 202410.7
10.8Amentum Holdings, Inc. 2024 Stock Incentive Plan *8-KOctober 3, 202410.8
10.9Amentum Holdings, Inc. Employee Stock Purchase Plan *8-KOctober 3, 202410.9
10.10Jacobs Technology Inc. Executive Deferral Plan *8-KOctober 3, 202410.10
10.11Amentum Holdings, Inc. Severance Plan for Key Employees *8-KNovember 13, 202410.1
10.12Form of Restricted Stock Unit Award Agreement for grants under the Amentum Holdings, Inc. 2024 Stock Incentive Plan *8-KNovember 13, 202410.2
10.13Form of Non-Employee Director Restricted Stock Unit Award Agreement for grants under the Amentum Holdings, Inc. 2024 Stock Incentive Plan *8-KNovember 13, 202410.3
10.14Form of Performance Share Unit Award Agreement for grants under the Amentum Holdings, Inc. 2024 Stock Incentive Plan *8-KNovember 13, 202410.4
10.15Form of Option Award Agreement for grants under the Amentum Holdings, Inc. 2024 Stock Incentive Plan *8-KJanuary 30, 202510.1
10.16Employment Agreement by and between Steven J. Demetriou and Amentum Holdings, Inc. *8-KNovember 13, 202410.5
10.17Employment Agreement by and between John E. Heller and Amentum Holdings, Inc. *8-KNovember 13, 202410.6
10.18Employment Agreement by and between Travis B. Johnson and Amentum Holdings, Inc. *8-KNovember 13, 202410.7
10.19Employment Agreement by and between Stephen Arnette and Amentum Holdings, Inc. *8-KNovember 13, 202410.8
10.20Employee Matters Agreement, dated November 20, 2023, by and among Jacobs Solutions Inc., Amazon Holdco Inc. and Amentum Parent Holdings LLC.10September 13, 202410.1
19.1Amentum Holdings, Inc. Insider Trading Policy10-KDecember 17, 202419.1
21.1Subsidiaries of the Registrant.X
23.1Consent of Independent Registered Public Accounting Firm (Ernst & Young LLP).X
31.1Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities and Exchange Commission.X
31.2Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) of the Securities and Exchange Commission.X
32.1Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350.X
32.2Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350.X
97.1Policy Relating to Recovery of Erroneously Awarded Compensation10-KDecember 17, 202497.1
101.INSXBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document)
101.SCHInline XBRL Taxonomy Extension Schema Document
101.CALInline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEFInline XBRL Taxonomy Extension Definition Linkbase Document
101.LABInline XBRL Taxonomy Extension Label Linkbase Document
101.PREInline XBRL Taxonomy Extension Presentation Linkbase Document
104Cover Page Interactive Data File (embedded within the Inline XBRL document and contained in Exhibit 101)
*Denotes a management contract, compensatory plan, or arrangement
ContentsView on SEC.gov

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