Amentum Holdings, Inc.

For the period ended Jul 3, 2026. Filed Aug 11, 2026.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jul 3, 2026 · Filed Aug 11, 2026

AMTM$22.34+5.1%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

Filed with this Form 10-Q · Incorporated by Reference
Exhibit No. · Description · Form · Filing Date · Exhibit No.
10.1	First Amendment, dated as of April 24, 2026, among Amentum Holdings, Inc., Amentum Services, Inc., Amentum Technology, Inc., the other loan parties party thereto, the lenders party thereto, the issuing banks party thereto and JPMorgan Chase Bank, N.A., as administrative agent		8-K	April 28, 2026	10.1
31.1	Section 302 Certification of John E. Heller	X
31.2	Section 302 Certification Travis B. Johnson	X
32.1	Section 906 Certification John E. Heller	X
32.2	Section 906 Certification Travis B. Johnson	X
101.INS	XBRL 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.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 and contained in Exhibit 101)

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.