DEMETRIOU STEVEN J.

PrivateCIK: 1173003
Location

BEACHWOOD, OH

DEMETRIOU STEVEN J. (Executive Chair) received a stock award from AMENTUM HOLDINGS, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 1 award
InsiderDEMETRIOU STEVEN J.CIK 1173003
IssuerAMENTUM HOLDINGS, INC.CIK 2011286
DirectorOfficer· Executive Chair
Since Sep 2024
+94.28K
Net shares
Net buyer
$367.0K
Total sold
0
Open market trades
0B · 0S
4
Total transactions
154.75K acquired · 60.47K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+43.40K

Price / share

Trade value

% of position

6.4%
11/17/2025
682.80K726.20K

Common Stock

Direct
F · Tax Withholding

Shares

17.08K

Price / share

$21.49

Trade value

$366.98K

% of position

2.4%
11/17/2025
726.20K709.12K

Common Stock

Direct
A · Award

Shares

+111.36K

Price / share

Trade value

% of position

15.7%
11/17/2025
709.12K820.48K
Total

Net shares

+137.67K

Net value

-$366.98K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

43.40K shares

Shares

43.40K

Strike price

Held after

0.00

Exercisable

11/17/2025
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned23.55K
Total
23.55K indirect23.55K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DEMETRIOU STEVEN J. — Insider Transaction (Form 4) Filed Nov 19, 2025 | Finecho