Amentum Holdings, Inc. - AMTM
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 28
Latest filed: May 11, 2026
| Form | Count |
|---|---|
| 4 | 18 |
| 8-K | 5 |
| 4/A | 4 |
| SCHEDULE 13G/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| May 11, 2026 | 8-K | May 11, 2026 | 0001628280-26-033648 | View |
| May 07, 2026 | 4 | May 06, 2026 | 0002011286-26-000017 | View |
| May 07, 2026 | 4 | May 06, 2026 | 0002011286-26-000018 | View |
| May 07, 2026 | 4 | May 06, 2026 | 0002011286-26-000019 | View |
| May 07, 2026 | 4 | May 06, 2026 | 0002011286-26-000020 | View |
| May 07, 2026 | 4 | May 06, 2026 | 0002011286-26-000021 | View |
| Apr 28, 2026 | 8-K | Apr 24, 2026 | 0002011286-26-000011 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000568 | View |
| Mar 05, 2026 | 4 | Mar 04, 2026 | 0001628280-26-015158 | View |
| Mar 04, 2026 | 4 | Mar 02, 2026 | 0001628280-26-014626 | View |
| Feb 18, 2026 | 4 | Feb 17, 2026 | 0001628280-26-009269 | View |
| Feb 10, 2026 | 8-K | Feb 06, 2026 | 0001628280-26-006679 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006820 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006827 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006828 | View |
| Feb 10, 2026 | 4/A | Nov 06, 2025 | 0001628280-26-006829 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006831 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006835 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006837 | View |
| Feb 10, 2026 | 4 | Feb 06, 2026 | 0001628280-26-006839 | View |
| Feb 09, 2026 | 8-K | Feb 09, 2026 | 0001628280-26-006491 | View |
| Jan 29, 2026 | 4 | Jan 28, 2026 | 0001628280-26-004144 | View |
| Dec 19, 2025 | 4 | Dec 17, 2025 | 0001628280-25-058286 | View |
| Dec 19, 2025 | 4/A | Nov 17, 2025 | 0001628280-25-058374 | View |
| Dec 19, 2025 | 4/A | Nov 17, 2025 | 0001628280-25-058376 | View |
| Dec 19, 2025 | 4/A | Nov 17, 2025 | 0001628280-25-058378 | View |
| Dec 09, 2025 | 4 | Dec 05, 2025 | 0001628280-25-056097 | View |
| Nov 24, 2025 | 8-K | Nov 24, 2025 | 0001628280-25-053839 | View |