Christopher M.t. Thompson

CIK: 0001483410

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (25.0%)

Position reduction

Option Exercises (M)2 (25.0%)

Derivative conversions

Awards (A)3 (37.5%)

Compensation grants

Other (G, F, J, C, D, …)1 (12.5%)

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

Companies & Roles (2)

AMTM

Amentum Holdings, Inc.

Director

JACOBS SOLUTIONS INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (8 total)

AMTM
Amentum Holdings, Inc.
Aug 14, 2026
Gift(G)
Indirect
4.3K shares-
AMTM
Amentum Holdings, Inc.
Feb 6, 2026
Award(A)
Direct
5.1K shares-
AMTM
Amentum Holdings, Inc.
Apr 8, 2025
Award(A)
Restricted Stock Units
Direct
11.6K shares-
AMTM
Amentum Holdings, Inc.
Nov 6, 2024
Award(A)
Restricted Stock Units
Direct
3.4K shares-
J
JACOBS SOLUTIONS INC.
Aug 29, 2024
Exercise(M)
Direct
3.5K shares at avg. $38.04$133K
J
JACOBS SOLUTIONS INC.
Aug 29, 2024
Sale(S)
Direct
884 shares at avg. $150.84$133K
J
JACOBS SOLUTIONS INC.
Aug 29, 2024
Sale(S)
Direct
1K shares at avg. $150.87$153K
J
JACOBS SOLUTIONS INC.
Aug 29, 2024
Exercise(M)
Direct
3.5K shares at avg. $43.66$153K

		Type	Shares	Price		Ownership
Aug 14, 2026	AMTM Amentum Holdings, Inc.	Gift(G)	4,250	-	$0	Indirect
Feb 6, 2026	AMTM Amentum Holdings, Inc.	Award(A)	5,062	-	$0	Direct
Apr 8, 2025	AMTM Amentum Holdings, Inc.	Award(A) Restricted Stock Units	11,564	-	-	Direct
Nov 6, 2024	AMTM Amentum Holdings, Inc.	Award(A) Restricted Stock Units	3,447	-	-	Direct
Aug 29, 2024	J JACOBS SOLUTIONS INC.	Exercise(M)	3,500	$38.04	$133,140	Direct
Aug 29, 2024	J JACOBS SOLUTIONS INC.	Sale(S)	884	$150.84	$133,343	Direct
Aug 29, 2024	J JACOBS SOLUTIONS INC.	Sale(S)	1,014	$150.87	$152,977	Direct
Aug 29, 2024	J JACOBS SOLUTIONS INC.	Exercise(M)	3,500	$43.66	$152,810	Direct

1-8 of 8 transactions

About Thompson Christopher M.T.

Thompson Christopher M.T. (SEC CIK 0001483410) files insider reports with the SEC as Director of Amentum Holdings, Inc. (AMTM) and Director of JACOBS SOLUTIONS INC. (J).

Signal8 holds 6 ownership filings by Thompson Christopher M.T. (1 Form 3, 5 Form 4), filed between Sep 3, 2024 and Sep 17, 2026. Those filings report 8 transactions, from Aug 29, 2024 to Aug 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Thompson Christopher M.T.'s filings is in CHANTILLY, VA.

Recent filings by Thompson Christopher M.T.

Aug 14, 2026: Gift of AMTM shares (Form 4, code G).
Feb 6, 2026: Grant or award of AMTM shares (Form 4, code A).
Apr 8, 2025: Grant or award of AMTM derivative securities (Form 4, code A).
Nov 6, 2024: Grant or award of AMTM derivative securities (Form 4, code A).
Aug 29, 2024: Option exercise of J shares (Form 4, code M).

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

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
St. Mary Michele T, Chief Legal Officer & GC

How to read Form 4 transaction codes