Amentum Holdings, Inc. (AMTM) Corporate Subsidiaries
Amentum Holdings, Inc. (AMTM) is a publicly traded company on the NYSE, categorized under SIC 7389 (Services-Business Services, NEC). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: AMTM
CIK: 2011286
Exchange: NYSE
SIC 7389: Services-Business Services, NEC
Fiscal Year End: 10/02
State: DE
Independent PCAOB Auditor
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Audit Firm
Ernst & Young LLP
Auditor SinceSince 9/27/2024 12:00:00 AM
Lead Engagement PartnerJill Weeter
Audit LocationTysons, Virginia, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-10-02 | 2026-09-28 | 8-K | 0002011286-26-000026 | View SEC Doc Filr Page |
| 4 | 2026-09-17 | 2026-08-14 | FORM 4 | 0001483410-26-000005 | View SEC Doc Filr Page |
| 10-Q | 2026-08-11 | 2026-07-03 | FORM 10-Q | 0001628280-26-055727 | View SEC Doc Filr Page |
| 8-K | 2026-08-10 | 2026-08-10 | FORM 8-K | 0001628280-26-055294 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-08-06 | — | SCHEDULE 13G Filing | 0000763212-26-000027 | View SEC Doc Filr Page |
| 10-Q | 2026-05-12 | 2026-04-03 | FORM 10-Q | 0001628280-26-034156 | View SEC Doc Filr Page |
| 8-K | 2026-05-11 | 2026-05-11 | FORM 8-K | 0001628280-26-033648 | View SEC Doc Filr Page |
| 4 | 2026-05-07 | 2026-05-06 | FORM 4 | 0002011286-26-000021 | View SEC Doc Filr Page |
| 4 | 2026-05-07 | 2026-05-06 | FORM 4 | 0002011286-26-000020 | View SEC Doc Filr Page |
| 4 | 2026-05-07 | 2026-05-06 | FORM 4 | 0002011286-26-000019 | View SEC Doc Filr Page |
| 4 | 2026-05-07 | 2026-05-06 | FORM 4 | 0002011286-26-000018 | View SEC Doc Filr Page |
| 4 | 2026-05-07 | 2026-05-06 | FORM 4 | 0002011286-26-000017 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-07 | — | SCHEDULE 13G/A Filing | 0000914208-26-000176 | View SEC Doc Filr Page |
| 8-K | 2026-04-28 | 2026-04-24 | FORM 8-K | 0002011286-26-000011 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-26 | — | SCHEDULE 13G/A Filing | 0000102909-26-000568 | View SEC Doc Filr Page |
| 4 | 2026-03-05 | 2026-03-04 | FORM 4 | 0001628280-26-015158 | View SEC Doc Filr Page |
| 4 | 2026-03-04 | 2026-03-02 | FORM 4 | 0001628280-26-014626 | View SEC Doc Filr Page |
| 4 | 2026-02-18 | 2026-02-17 | FORM 4 | 0001628280-26-009269 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | FORM 4 | 0001628280-26-006839 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | FORM 4 | 0001628280-26-006837 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | FORM 4 | 0001628280-26-006835 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | FORM 4 | 0001628280-26-006831 | View SEC Doc Filr Page |
| 4/A | 2026-02-10 | 2025-11-06 | FORM 4/A | 0001628280-26-006829 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | FORM 4 | 0001628280-26-006828 | View SEC Doc Filr Page |
| 4 | 2026-02-10 | 2026-02-06 | FORM 4 | 0001628280-26-006827 | View SEC Doc Filr Page |