Jill L. Bruning

CIK: 0002037037

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (25.0%)

Derivative conversions

Awards (A)3 (37.5%)

Compensation grants

Other (G, F, J, C, D, …)3 (37.5%)

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 (8 total)

AMTM
Amentum Holdings, Inc.
May 6, 2026
Tax Payment(F)
Direct
2.7K shares at avg. $24.89$68K
AMTM
Amentum Holdings, Inc.
May 6, 2026
Exercise(M)
Direct
9.1K shares-
AMTM
Amentum Holdings, Inc.
Mar 4, 2026
Gift(G)
Direct
30K shares-
AMTM
Amentum Holdings, Inc.
Nov 17, 2025
Award(A)
Direct
17.8K shares-
AMTM
Amentum Holdings, Inc.
Nov 6, 2025
Tax Payment(F)
Direct
1.5K shares at avg. $21.79$32K
AMTM
Amentum Holdings, Inc.
Nov 6, 2025
Exercise(M)
Direct
4.8K shares-
AMTM
Amentum Holdings, Inc.
Nov 6, 2024
Award(A)
Restricted Stock Units
Direct
18.1K shares-
AMTM
Amentum Holdings, Inc.
Nov 6, 2024
Award(A)
Restricted Stock Units
Direct
14.5K shares-

		Type	Shares	Price		Ownership
May 6, 2026	AMTM Amentum Holdings, Inc.	Tax Payment(F)	2,731	$24.89	$67,975	Direct
May 6, 2026	AMTM Amentum Holdings, Inc.	Exercise(M)	9,072	-	$0	Direct
Mar 4, 2026	AMTM Amentum Holdings, Inc.	Gift(G)	30,000	-	$0	Direct
Nov 17, 2025	AMTM Amentum Holdings, Inc.	Award(A)	17,817	-	-	Direct
Nov 6, 2025	AMTM Amentum Holdings, Inc.	Tax Payment(F)	1,457	$21.79	$31,748	Direct
Nov 6, 2025	AMTM Amentum Holdings, Inc.	Exercise(M)	4,838	-	-	Direct
Nov 6, 2024	AMTM Amentum Holdings, Inc.	Award(A) Restricted Stock Units	18,145	-	-	Direct
Nov 6, 2024	AMTM Amentum Holdings, Inc.	Award(A) Restricted Stock Units	14,516	-	-	Direct

1-8 of 8 transactions

About Bruning Jill L

Bruning Jill L (SEC CIK 0002037037) files insider reports with the SEC as Chief Technology Officer of Amentum Holdings, Inc. (AMTM).

Signal8 holds 7 ownership filings by Bruning Jill L (1 Form 3, 6 Form 4), filed between Sep 27, 2024 and May 7, 2026. Those filings report 8 transactions, from Nov 6, 2024 to May 6, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bruning Jill L's filings is in CHANTILLY, VA.

Recent filings by Bruning Jill L

May 6, 2026: Tax withholding of AMTM shares (Form 4, code F).
May 6, 2026: Option exercise of AMTM shares (Form 4, code M).
Mar 4, 2026: Gift of AMTM shares (Form 4, code G).
Nov 17, 2025: Grant or award of AMTM shares (Form 4, code A).
Nov 6, 2025: Tax withholding of AMTM shares (Form 4, code F).

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
Arnette Stephen A, Chief Operating Officer
St. Mary Michele T, Chief Legal Officer & GC

How to read Form 4 transaction codes