Browse the latest SEC filings and forms submitted by Amentum Holdings, Inc. (AMTM). Access annual reports, quarterly statements, and other official disclosures.
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Search Company Filings →| Form | Filing Date | Description | Link |
|---|---|---|---|
| SCHEDULE 13G/A | March 26, 2026 | - | View Document |
| 4 | March 5, 2026 | FORM 4 | View Document |
| 4 | March 4, 2026 | FORM 4 | View Document |
| 4 | Feb. 18, 2026 | FORM 4 | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 10-Q | Feb. 10, 2026 | FORM 10-Q | View Document |
| 8-K | Feb. 10, 2026 | FORM 8-K | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 4/A | Feb. 10, 2026 | FORM 4/A | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 4 | Feb. 10, 2026 | FORM 4 | View Document |
| 8-K | Feb. 9, 2026 | FORM 8-K | View Document |
| 4 | Jan. 29, 2026 | FORM 4 | View Document |
| DEF 14A | Dec. 19, 2025 | FORM DEF 14A | View Document |
| DEFA14A | Dec. 19, 2025 | DEFA14A | View Document |
| 4/A | Dec. 19, 2025 | FORM 4/A | View Document |
| 4/A | Dec. 19, 2025 | FORM 4/A | View Document |
| 4 | Dec. 19, 2025 | FORM 4 | View Document |
| ARS | Dec. 19, 2025 | ARS | View Document |
| 4/A | Dec. 19, 2025 | FORM 4/A | View Document |
| 4 | Dec. 9, 2025 | FORM 4 | View Document |
| 10-K | Nov. 25, 2025 | FORM 10-K | View Document |
| 8-K | Nov. 24, 2025 | FORM 8-K | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 19, 2025 | FORM 4 | View Document |
| 4 | Nov. 18, 2025 | FORM 4 | View Document |
| 4 | Nov. 10, 2025 | FORM 4 | View Document |
| 4 | Nov. 10, 2025 | FORM 4 | View Document |
| 4 | Nov. 10, 2025 | FORM 4 | View Document |
| 4 | Nov. 10, 2025 | FORM 4 | View Document |
| 4 | Nov. 10, 2025 | FORM 4 | View Document |
| 4 | Nov. 10, 2025 | FORM 4 | View Document |
| SCHEDULE 13G/A | Nov. 6, 2025 | - | View Document |
| S-3ASR | Oct. 1, 2025 | S-3ASR | View Document |
| 10-Q | Aug. 6, 2025 | FORM 10-Q | View Document |
| 8-K | Aug. 5, 2025 | FORM 8-K | View Document |
| 4 | May 12, 2025 | - | View Document |
| 4 | May 12, 2025 | - | View Document |
| 4 | May 12, 2025 | - | View Document |
| 4 | May 12, 2025 | - | View Document |
| SCHEDULE 13G/A | May 9, 2025 | - | View Document |
| 10-Q | May 7, 2025 | FORM 10-Q | View Document |
| 8-K | May 6, 2025 | FORM 8-K | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 10, 2025 | FORM 4 | View Document |
| 4 | April 8, 2025 | - | View Document |
| 4 | March 19, 2025 | FORM 4 | View Document |
| 4 | March 17, 2025 | 4 | View Document |
| SCHEDULE 13G/A | March 13, 2025 | - | View Document |
| 424B4 | March 12, 2025 | 424B4 | View Document |
| EFFECT | March 11, 2025 | - | View Document |
| CORRESP | March 10, 2025 | - | View Document |
| CORRESP | March 10, 2025 | - | View Document |
| S-1 | March 10, 2025 | S-1 | View Document |
| 8-K | March 7, 2025 | FORM 8-K | View Document |
| 4 | March 7, 2025 | FORM 4 | View Document |
| 8-K | March 7, 2025 | FORM 8-K | View Document |
| 4 | March 7, 2025 | FORM 4 | View Document |
| 8-K | March 7, 2025 | FORM 8-K | View Document |
| 4 | March 7, 2025 | FORM 4 | View Document |
| 4 | March 7, 2025 | FORM 4 | View Document |
| 4 | March 7, 2025 | FORM 4 | View Document |
| 4 | March 5, 2025 | FORM 4 | View Document |
| 3 | Feb. 24, 2025 | FORM 3 | View Document |
| 4 | Feb. 20, 2025 | FORM 4 | View Document |
| 4 | Feb. 14, 2025 | FORM 4 | View Document |
| SCHEDULE 13G | Feb. 7, 2025 | - | View Document |
| SCHEDULE 13G/A | Feb. 5, 2025 | - | View Document |
| 10-Q | Feb. 5, 2025 | FORM 10-Q | View Document |
| 8-K | Feb. 4, 2025 | FORM 8-K | View Document |
| 8-K | Jan. 30, 2025 | FORM 8-K | View Document |
| 4 | Jan. 30, 2025 | FORM 4 | View Document |
| SCHEDULE 13G/A | Jan. 30, 2025 | - | View Document |
| UPLOAD | Jan. 24, 2025 | - | View Document |
| DRS | Jan. 22, 2025 | - | View Document |
| ARS | Jan. 21, 2025 | ARS | View Document |
| DEFA14A | Jan. 21, 2025 | DEFA14A | View Document |
| DEF 14A | Jan. 21, 2025 | DEF 14A | View Document |
| 3/A | Dec. 30, 2024 | - | View Document |
| 3 | Dec. 27, 2024 | - | View Document |
| 4 | Dec. 27, 2024 | - | View Document |
| 3 | Dec. 27, 2024 | - | View Document |
| 3 | Dec. 27, 2024 | - | View Document |
| SCHEDULE 13D | Dec. 23, 2024 | - | View Document |
| SCHEDULE 13D | Dec. 23, 2024 | - | View Document |
| 4 | Dec. 23, 2024 | FORM 4 | View Document |
| 4 | Dec. 19, 2024 | - | View Document |
| SCHEDULE 13D/A | Dec. 19, 2024 | - | View Document |
| 10-K | Dec. 17, 2024 | FORM 10-K | View Document |
| 8-K | Dec. 16, 2024 | FORM 8-K | View Document |
| 4 | Dec. 9, 2024 | FORM 4 | View Document |
| 3 | Dec. 9, 2024 | FORM 3 | View Document |
| 8-K | Nov. 13, 2024 | FORM 8-K | View Document |
| SC 13G | Nov. 12, 2024 | SC 13G | View Document |
| SC 13G/A | Nov. 12, 2024 | - | View Document |
| SC 13G | Nov. 12, 2024 | - | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| S-8 | Nov. 8, 2024 | REGISTRATION STATEMENT | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| 4 | Nov. 8, 2024 | FORM 4 | View Document |
| SC 13G/A | Nov. 4, 2024 | - | View Document |
| SC 13G | Oct. 24, 2024 | - | View Document |
| 4 | Oct. 4, 2024 | - | View Document |
| SC 13D | Oct. 4, 2024 | - | View Document |
| 4 | Oct. 4, 2024 | - | View Document |
| S-8 | Oct. 4, 2024 | REGISTRATION STATEMENT | View Document |
| 8-K/A | Oct. 3, 2024 | AMENDMENT NO. 1 | View Document |
| 8-K | Oct. 3, 2024 | CURRENT REPORT | View Document |
| 3 | Sept. 27, 2024 | FORM 3 | View Document |
| 3 | Sept. 27, 2024 | FORM 3 | View Document |
| 8-K | Sept. 27, 2024 | 8-K | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 3 | Sept. 27, 2024 | - | View Document |
| 4 | Sept. 25, 2024 | 4 | View Document |
| 3 | Sept. 18, 2024 | 3 | View Document |
| 3 | Sept. 18, 2024 | 3 | View Document |
| SEC STAFF ACTION | Sept. 18, 2024 | - | View Document |
| 3 | Sept. 18, 2024 | 3 | View Document |
| 3 | Sept. 18, 2024 | 3 | View Document |
| 3 | Sept. 18, 2024 | 3 | View Document |
| 3 | Sept. 18, 2024 | 3 | View Document |
| 8-K | Sept. 18, 2024 | 8-K | View Document |
| CERT | Sept. 17, 2024 | NYSE CERTIFICATION | View Document |
| CORRESP | Sept. 16, 2024 | - | View Document |
| 10-12B/A | Sept. 13, 2024 | 10-12B/A | View Document |
| CORRESP | Sept. 9, 2024 | - | View Document |
| 10-12B/A | Sept. 9, 2024 | 10-12B/A | View Document |
| UPLOAD | Sept. 5, 2024 | - | View Document |
| CORRESP | Aug. 26, 2024 | - | View Document |
| 10-12B/A | Aug. 26, 2024 | 10-12B/A | View Document |
| UPLOAD | Aug. 21, 2024 | - | View Document |
| CORRESP | Aug. 5, 2024 | - | View Document |
| 10-12B/A | Aug. 5, 2024 | 10-12B/A | View Document |
| UPLOAD | July 25, 2024 | - | View Document |
| 10-12B | July 15, 2024 | 10-12B | View Document |
| CORRESP | July 15, 2024 | - | View Document |
| UPLOAD | June 4, 2024 | - | View Document |
| DRS/A | May 10, 2024 | - | View Document |
| DRSLTR | May 10, 2024 | - | View Document |
| UPLOAD | April 4, 2024 | - | View Document |
| DRS | March 7, 2024 | - | View Document |