4//SEC Filing
Arnette Stephen A 4
Accession 0001628280-25-051106
CIK 0002011286other
Filed
Nov 9, 7:00 PM ET
Accepted
Nov 10, 4:42 PM ET
Size
8.6 KB
Accession
0001628280-25-051106
Insider Transaction Report
Form 4
Arnette Stephen A
Chief Operating Officer
Transactions
- Tax Payment
Common Stock
2025-11-06$21.79/sh−3,093$67,396→ 31,628 total - Exercise/Conversion
Restricted Stock Units
2025-11-06−12,701→ 25,404 total→ Common Stock (12,701 underlying) - Exercise/Conversion
Common Stock
2025-11-06+12,701→ 34,721 total
Footnotes (4)
- [F1]Represents distribution of AMTM common stock upon vesting of restricted stock units.
- [F2]Represents number of shares of AMTM common stock tendered for tax withholding upon vesting of restricted stock units.
- [F3]Each restricted stock unit represents a contingent right to receive one share of AMTM common stock.
- [F4]The restricted stock units awarded vested on November 6, 2025.
Documents
Issuer
Amentum Holdings, Inc.
CIK 0002011286
Entity typeother
Related Parties
1- filerCIK 0001919492
Filing Metadata
- Form type
- 4
- Filed
- Nov 9, 7:00 PM ET
- Accepted
- Nov 10, 4:42 PM ET
- Size
- 8.6 KB