Arkolith/Insider Trading/AMTM/Form 4

Demetriou Steven J.

Executive Chair, DirectorAmentum Holdings, Inc. (AMTM) · full profile →Form 4 · filed Nov 19, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
3 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Nov 17, 2025Option exercise(M)43K——726K
Nov 17, 2025Grant(A)111K—$0820K
Nov 17, 2025Tax withholding(F)17K$21.49$367K709K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Nov 17, 2025Option exercise(M)43K—$00

Transaction Codes

M
Option exercise / conversion
A
Grant / award
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001628280-25-053259) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML