4
Changes in Ownership
Amentum Holdings, Inc. Filed Acc 0001628280-25-053268
Chief Operating Officer gave up 287 shares (to pay taxes)
- Chief Operating Officer acquired 46,769 shares (grant or award)
- Chief Operating Officer acquired 1,178 shares (option exercise)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Arnette Stephen A Chief Operating Officer | 2025-11-17 | Option exercise | +1,178 | 47,243 | D | ||
| Arnette Stephen A Chief Operating Officer | 2025-11-17 | Shares withheld for taxes | −287 | $21.49 | $6,168 | 46,956 | D |
| Arnette Stephen A Chief Operating Officer | 2025-11-17 | Grant or award | +46,769 | 93,725 | D | ||
| Derivatives | |||||||
| Arnette Stephen A Chief Operating Officer | 2025-11-17 | Option exercise · Restricted Stock Units | −1,178 | 0 | D | ||
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