Vollmer John C.

Director at Amentum Holdings, Inc. · on record since Sep 27, 2024
Group President, MS at AECOM TECHNOLOGY CORP · on record since Nov 21, 2017

Insider trading activity of Vollmer John C.

Transactions on record: 32; since Dec 18, 2017

Open-market buys: 0

Open-market sells: 1; $1.3M

Companies traded: 2; last filing Feb 10, 2026

Figures computed from official regulatory filings — methodology.

Companies where Vollmer John C. has traded

Amentum Holdings, Inc.8 tx · Feb 10, 2026
AECOM TECHNOLOGY CORP24 tx · $3.7M · Jan 29, 2020

Track record of Vollmer John C.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Vollmer John C.

Co-insiders of Vollmer John C.

Adams Shirley AAECOM TECHNOLOGY CORP
Amentum Joint Venture GP LLCAmentum Holdings, Inc.
Amentum Joint Venture LPAmentum Holdings, Inc.
AMERICAN SECURITIES LLCAmentum Holdings, Inc.
Arnette Stephen AAmentum Holdings, Inc.
ASP Amentum Investco LPAmentum Holdings, Inc.
ASP Manager Corp.Amentum Holdings, Inc.

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Company	Filed	Type	Qty	Price	Value · USD	Src
Amentum Holdings, Inc.	Feb 10, 2026	Award	5,062	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Feb 10, 2026	Exercise	11,564	—	—	SEC
Amentum Holdings, Inc.	Feb 10, 2026	ExerciseD	-11,564	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Apr 10, 2025	AwardD	11,564	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Mar 7, 2025	ExerciseD	-3,447	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Mar 7, 2025	Other	391,341	—	—	SEC
Amentum Holdings, Inc.	Mar 7, 2025	Exercise	3,447	—	—	SEC
Amentum Holdings, Inc.	Nov 8, 2024	AwardD	3,447	0.00 USD	$0	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	ExerciseD	-7,824	—	—	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	Award	19,679	—	—	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	Other	-6,600	48.82 USD	$322.2K	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	ExerciseD	-5,657	—	—	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	Exercise	13,481	48.82 USD	$658.1K	SEC
AECOM TECHNOLOGY CORP	Dec 31, 2019	ExerciseD	-30,240	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 31, 2019	Sell	-30,240	43.28 USD	$1.3M	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	Exercise	6,879	38.16 USD	$262.5K	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	ExerciseD	-6,879	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	Award	3,556	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	Other	-2,882	38.16 USD	$110K	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	AwardD	14,546	0.00 USD	$0	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	ExerciseD	-6,996	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	Other	-3,380	27.91 USD	$94.3K	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	Exercise	6,996	27.91 USD	$195.3K	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	Award	4,521	—	—	SEC
AECOM TECHNOLOGY CORP	May 3, 2018	ExerciseD	-2,124	—	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Amentum Holdings, Inc.	Feb 10, 2026	Award	5,062	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Feb 10, 2026	Exercise	11,564	—	—	SEC
Amentum Holdings, Inc.	Feb 10, 2026	ExerciseD	-11,564	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Apr 10, 2025	AwardD	11,564	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Mar 7, 2025	ExerciseD	-3,447	0.00 USD	$0	SEC
Amentum Holdings, Inc.	Mar 7, 2025	Other	391,341	—	—	SEC
Amentum Holdings, Inc.	Mar 7, 2025	Exercise	3,447	—	—	SEC
Amentum Holdings, Inc.	Nov 8, 2024	AwardD	3,447	0.00 USD	$0	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	ExerciseD	-7,824	—	—	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	Award	19,679	—	—	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	Other	-6,600	48.82 USD	$322.2K	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	ExerciseD	-5,657	—	—	SEC
AECOM TECHNOLOGY CORP	Jan 29, 2020	Exercise	13,481	48.82 USD	$658.1K	SEC
AECOM TECHNOLOGY CORP	Dec 31, 2019	ExerciseD	-30,240	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 31, 2019	Sell	-30,240	43.28 USD	$1.3M	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	Exercise	6,879	38.16 USD	$262.5K	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	ExerciseD	-6,879	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	Award	3,556	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 17, 2019	Other	-2,882	38.16 USD	$110K	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	AwardD	14,546	0.00 USD	$0	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	ExerciseD	-6,996	—	—	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	Other	-3,380	27.91 USD	$94.3K	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	Exercise	6,996	27.91 USD	$195.3K	SEC
AECOM TECHNOLOGY CORP	Dec 18, 2018	Award	4,521	—	—	SEC
AECOM TECHNOLOGY CORP	May 3, 2018	ExerciseD	-2,124	—	—	SEC