Company facts
- Industry
- Services-Business Services, NEC
- Headquarters
- Chantilly, Virginia
- Most recent report
- 8-K, filed Oct 2, 2026
- Incorporated
- Delaware
- Filings on record
- 194 filings
- On EDGAR
- CIK 2011286
- Fiscal year ends
- October
- Filer status
- Large accelerated filer
Financials 8
News 8 of 20
Prospectuses and Registrations 5
Proxies 4
Ownership 8 of 130
- 4 Insider reported a trade Sep 17, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 6, 2026
- 4 Insider reported a trade May 7, 2026
- 4 Insider reported a trade May 7, 2026
- 4 Insider reported a trade May 7, 2026
- 4 Insider reported a trade May 7, 2026
- 4 Insider reported a trade May 7, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended May 7, 2026
Other 8 of 27
- ARS Annual report sent to shareholders Dec 19, 2025
- EFFECT Notice that a registration became effective Mar 11, 2025
- CORRESP Reply to SEC staff Mar 10, 2025
- CORRESP Reply to SEC staff Mar 10, 2025
- UPLOAD Comment letter from SEC staff Jan 24, 2025
- DRS Draft registration statement, submitted confidentially Jan 22, 2025
- ARS Annual report sent to shareholders Jan 21, 2025
- SEC STAFF ACTION Sep 18, 2024
Everything here comes from Amentum Holdings, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.