Amentum SEC Filings
NYSE: AMTMConsumer DiscretionaryBusiness ServicesUSD
19.29+0.32 (+1.69%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Amentum filing overview
This page lists 60 recent SEC filings by Amentum (AMTM), including 36 4, 8 8-K, 5 10-Q, 4 SCHEDULE 13G/A. The latest annual report (10-K) was filed on Nov 25, 2025 for the period ending Oct 3, 2025. The most recent quarterly report (10-Q) was filed on Aug 11, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Oct 2, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
AMTM SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 2, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Sep 17, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 11, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Aug 10, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 6, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| May 12, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 11, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 7, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Apr 28, 2026 | 8-K | Entry into a Material Definitive Agreement | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 5, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Feb 10, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 9, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Jan 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 19, 2025 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Dec 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 19, 2025 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Dec 19, 2025 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Dec 19, 2025 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Dec 9, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 25, 2025 | 10-K | Annual report | View on EDGAR |
| Nov 24, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 19, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 18, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 10, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Nov 6, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 6, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Aug 5, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 12, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 9, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 7, 2025 | 10-Q | Quarterly report | View on EDGAR |