MULLEN SEAN THOMAS

PrivateCIK: 2034388
Location

CHANTILLY, VA

MULLEN SEAN THOMAS (Chief Growth Officer) exercised options at AMENTUM HOLDINGS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderMULLEN SEAN THOMASCIK 2034388
IssuerAMENTUM HOLDINGS, INC.CIK 2011286
Officer· Chief Growth Officer
Since Sep 2024
-2.76K
Net shares
Net seller
$68.7K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
9.07K acquired · 11.83K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+9.07K

Price / share

Trade value

% of position

34.7%
5/6/2026
26.14K35.21K

Common Stock

Direct
F · Tax Withholding

Shares

2.76K

Price / share

$24.89

Trade value

$68.75K

% of position

7.8%
5/6/2026
35.21K32.45K
Total

Net shares

+6.31K

Net value

-$68.75K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

9.07K shares

Shares

9.07K

Strike price

Held after

9.07K

Exercisable

5/6/2026
MULLEN SEAN THOMAS — Insider Transaction (Form 4) Filed May 7, 2026 | Finecho