CIK 0002011286 · Large accelerated filer
Amentum Holdings, Inc.
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- AMTM
- Exchange
- NYSE
- Industry
- Services-Business Services, NEC
- FY end
- Oct 2
- Incorporated
- DE
- Entity type
- operating
- EIN
- 990622272
- Phone
- 7035790410
- Business address
- 4800 WESTFIELDS BOULEVARD, SUITE 400, CHANTILLY, VA, 20151
- Former names
- Amazon Holdco Inc.
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-11-06 | DEMETRIOU STEVEN J. Executive Chair | Option exercise | +90,727 | 711,620 | ||
| 2025-11-06 | DEMETRIOU STEVEN J. Executive Chair | Shares withheld for taxes | −28,818 | $21.79 | $628K | 682,802 |
| 2025-11-06 | DEMETRIOU STEVEN J. Executive Chair | Option exercise · Restricted Stock Units | −90,727 | 0 | ||
| 2025-11-06 | Arnette Stephen A Chief Operating Officer | Option exercise | +12,701 | 34,721 | ||
| 2025-11-06 | Arnette Stephen A Chief Operating Officer | Shares withheld for taxes | −3,093 | $21.79 | $67K | 31,628 |
| 2025-11-06 | Arnette Stephen A Chief Operating Officer | Option exercise · Restricted Stock Units | −12,701 | 25,404 | ||
| 2025-05-08 | Lindsay Goldberg Employee Co-Inv. IV L.P. 10% owner | Other acquisition | +1,132,839 | 45,026,743 | ||
| 2025-05-08 | GOLDBERG ALAN E Director | Other acquisition | +1,132,839 | 45,026,743 | ||
| 2025-05-08 | Goldberg 2014 LLC 10% owner | Other acquisition | +1,132,839 | 45,026,743 | ||
| 2025-05-08 | Amentum Joint Venture GP LLC Director | Other disposition | −2,433,022 | 0 | ||
| 2025-04-08 | Vollmer John C. Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-08 | Brooks Vincent K Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-08 | EBERHART RALPH E Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-08 | Loughran Barbara Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-08 | IRELAND SUSAN LESLIE Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-08 | Rowland Sandra E. Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-08 | Thompson Christopher M.T. Director | Grant or award · Restricted Stock Units | +11,564 | 11,564 | ||
| 2025-04-07 | Amentum Joint Venture GP LLC Director | Grant or award | +2,433,022 | 2,433,022 | ||
| 2025-03-17 | St. Mary Michele T Chief Legal Officer & GC | Grant or award · Restricted Stock Units | +21,242 | 21,242 | ||
| 2025-03-13 | JACOBS SOLUTIONS INC. 10% owner | Other disposition | −19,464,174 | 0 |
Page 6 of 9 · 180 trades