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 |
|---|---|---|---|
| 8-K |
Current report
Officer or director change
|
Oct 2, 2026 | Sep 28, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Results of operations
|
May 11, 2026 | May 11, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 28, 2026 | Apr 24, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Feb 10, 2026 | Feb 6, 2026 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2026 | Feb 9, 2026 |
| 8-K |
Current report
Results of operations
|
Nov 24, 2025 | Nov 24, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2025 | Aug 5, 2025 |
| 8-K |
Current report
Results of operations
|
May 6, 2025 | May 6, 2025 |
| 8-K |
Current report
Other events
|
Mar 7, 2025 | Mar 7, 2025 |
| 8-K | Current report | Mar 7, 2025 | Mar 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Mar 7, 2025 | Mar 5, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2025 | Feb 4, 2025 |
| 8-K |
Current report
Officer or director change
|
Jan 30, 2025 | Jan 28, 2025 |
| 8-K |
Current report
Results of operations
|
Dec 16, 2024 | Dec 16, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 13, 2024 | Nov 6, 2024 |
| 8-K/A |
Amended current report
Material agreement, Agreement ended, New debt
|
Oct 3, 2024 | Sep 27, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Change in control, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Oct 3, 2024 | Sep 27, 2024 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Sep 27, 2024 | Sep 26, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 18, 2024 | Sep 18, 2024 |
Showing 20 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.