Company · CIK 2011286

# Amentum Holdings, Inc.

| CIK | [2011286](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002011286) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 7389 — Services-Business Services, NEC |
| Incorporated in | DE |
| Business address | VA |
| Listed | AMTM (NYSE) |
| First annual or quarterly report | 2024-12-17 |

## Offerings

 2 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-290662 | Shelf Effective | 2025-10-01 | 2025-10-01 | 1 |
| 333-285663 | Registered company Final prospectus | 2025-03-10 | 2025-03-12 | 3 |

## Filings

 6

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2025-10-01 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/2011286/000162828025043444/0001628280-25-043444-index.htm) Shelf registered | 333-290662 | 0001628280-25-043444 |
| 2025-03-12 | [424B4](https://www.sec.gov/Archives/edgar/data/2011286/000162828025012390/0001628280-25-012390-index.htm) Final prospectus | 333-285663 | 0001628280-25-012390 |
| 2025-03-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/2011286/999999999525000646/9999999995-25-000646-index.htm) Declared effective | 333-285663 | 9999999995-25-000646 |
| 2025-03-10 | [S-1](https://www.sec.gov/Archives/edgar/data/2011286/000162828025011468/0001628280-25-011468-index.htm) Registration filed | 333-285663 | 0001628280-25-011468 |
| 2025-01-22 | [DRS](https://www.sec.gov/Archives/edgar/data/2011286/000162827925000014/0001628279-25-000014-index.htm) Draft made public | 377-07687 | 0001628279-25-000014 |
| 2024-03-07 | [DRS](https://www.sec.gov/Archives/edgar/data/2011286/000095012324002790/0000950123-24-002790-index.htm) Draft made public | 377-07126 | 0000950123-24-002790 |

[All filings of this company](https://equitycapital.markets/filings?cik=2011286) · [CSV](https://equitycapital.markets/filings.csv?cik=2011286)

---
Source page: https://equitycapital.markets/company/2011286 · Data: U.S. SEC EDGAR · CC BY 4.0