AMTM - CIK 0002011286
Amentum Holdings, Inc. has filed 189 documents with the SEC between 2024 and 2026. The most frequent type is insider trade (77 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Proxy statement | DEF 14A | 2025-01-21 | 2025-03-05 |
| 3/A | - | 2024-12-30 | 2024-12-17 |
| Insider trade | 4 | 2024-12-27 | 2024-12-17 |
| New insider ownership | 3 | 2024-12-27 | 2024-12-17 |
| New insider ownership | 3 | 2024-12-27 | 2024-12-17 |
| New insider ownership | 3 | 2024-12-27 | 2024-12-17 |
| Insider trade | 4 | 2024-12-23 | 2024-12-20 |
| SCHEDULE 13D | - | 2024-12-23 | - |
| SCHEDULE 13D | - | 2024-12-23 | - |
| Insider trade | 4 | 2024-12-19 | 2024-12-17 |
| SCHEDULE 13D/A | - | 2024-12-19 | - |
| Annual report | 10-K | 2024-12-17 | 2024-09-27 |
| Major company event | 8-K | 2024-12-16 | 2024-12-16 |
| Insider trade | 4 | 2024-12-09 | 2024-12-05 |
| New insider ownership | 3 | 2024-12-09 | 2024-12-02 |
| Major company event | 8-K | 2024-11-13 | 2024-11-06 |
| Passive ownership stake | SC 13G | 2024-11-12 | - |
| Passive ownership stake | SC 13G | 2024-11-12 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-11-12 | - |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Insider trade | 4 | 2024-11-08 | 2024-11-06 |
| Employee stock plan | S-8 | 2024-11-08 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-11-04 | - |
| Passive ownership stake | SC 13G | 2024-10-24 | - |
| Activist ownership stake | SC 13D | 2024-10-04 | - |
| Insider trade | 4 | 2024-10-04 | 2024-10-02 |
| Insider trade | 4 | 2024-10-04 | 2024-10-02 |
| Employee stock plan | S-8 | 2024-10-04 | - |
| Major company event (amended) | 8-K/A | 2024-10-03 | 2024-09-27 |
| Major company event | 8-K | 2024-10-03 | 2024-09-27 |
| Major company event | 8-K | 2024-09-27 | 2024-09-26 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |
| New insider ownership | 3 | 2024-09-27 | 2024-09-27 |