Darren Burton

CIK: 0002044904

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (25.0%)

Derivative conversions

Awards (A)2 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (25.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AMTM

Amentum Holdings, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (4 total)

AMTM
Amentum Holdings, Inc.
Dec 5, 2025
Exercise(M)
Direct
2.7K shares-
AMTM
Amentum Holdings, Inc.
Dec 5, 2025
Tax Payment(F)
Direct
1.4K shares at avg. $28.88$40K
AMTM
Amentum Holdings, Inc.
Nov 17, 2025
Award(A)
Direct
22.3K shares-
AMTM
Amentum Holdings, Inc.
Dec 5, 2024
Award(A)
Restricted Stock Units
Direct
8.2K shares-

		Type	Shares	Price		Ownership
Dec 5, 2025	AMTM Amentum Holdings, Inc.	Exercise(M)	2,721	-	-	Direct
Dec 5, 2025	AMTM Amentum Holdings, Inc.	Tax Payment(F)	1,392	$28.88	$40,201	Direct
Nov 17, 2025	AMTM Amentum Holdings, Inc.	Award(A)	22,271	-	-	Direct
Dec 5, 2024	AMTM Amentum Holdings, Inc.	Award(A) Restricted Stock Units	8,165	-	-	Direct

1-4 of 4 transactions

About Burton Darren

Burton Darren (SEC CIK 0002044904) files insider reports with the SEC as Chief People Officer of Amentum Holdings, Inc. (AMTM).

Signal8 holds 4 ownership filings by Burton Darren (1 Form 3, 3 Form 4), filed between Dec 9, 2024 and Dec 9, 2025. Those filings report 4 transactions, from Dec 5, 2024 to Dec 5, 2025. Signal8's Form 4 history starts in Sep 2024.

The business address on Burton Darren's filings is in CHANTILLY, VA.

Recent filings by Burton Darren

Dec 5, 2025: Option exercise of AMTM shares (Form 4, code M).
Dec 5, 2025: Tax withholding of AMTM shares (Form 4, code F).
Nov 17, 2025: Grant or award of AMTM shares (Form 4, code A).
Dec 5, 2024: Grant or award of AMTM derivative securities (Form 4, code A).

Other insiders filing for Amentum Holdings, Inc. (AMTM)

Thompson Christopher M.T., Director
Heller John E., Chief Executive Officer
Mullen Sean Thomas, Chief Growth Officer
Johnson Travis Barton, Chief Financial Officer
Bruning Jill L, Chief Technology Officer
Arnette Stephen A, Chief Operating Officer

How to read Form 4 transaction codes