Amentum Holdings, Inc. SEC filings AMTM
Amentum Holdings, Inc. has 194 filings in SEC EDGAR's recent list, going back to Mar 7, 2024. Its latest annual report, Form ARS, was filed on Dec 19, 2025 for the period ended Oct 3, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 11, 2026, covering the quarter ended Jul 3, 2026. The most recent current report (Form 8-K) was filed on Oct 2, 2026 (officer or director change). The company's fiscal year ends on October 2.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Aug 11, 2026 | Jul 3, 2026 |
| 10-Q | Quarterly report | May 12, 2026 | Apr 3, 2026 |
| 10-Q | Quarterly report | Feb 10, 2026 | Jan 2, 2026 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 27, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 28, 2025 |
| 10-Q | Quarterly report | Feb 5, 2025 | Dec 27, 2024 |
Showing 6 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Services-Business Services, NEC (SIC 7389)
- Listed as
- AMTM (NYSE)
- Fiscal year ends
- October 2
- Incorporated in
- DE
- Headquarters
- Chantilly, VA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 2011286
- Former names
- Amazon Holdco Inc. (until Sep 18, 2024)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.