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$AMTM
$21.74 -$0.33 (1.5%) Live

Company Executives

$AMTM Management Team

Mr. Steven Demetriou

Executive Chairman of the Board

Age 67
Compensation $5.187M USD
Sex Male

Mr. John Heller

Chief Executive Officer

Director

Age 63
Compensation $21.20M USD
Sex Male

Mr. Travis Johnson

Chief Financial Officer

Age 40
Compensation $4.684M USD
Sex Male

Mr. Stephen Arnette

Chief Operating Officer

Age 57
Compensation $4.466M USD
Sex Male

Mr. Sean Mullen

Chief Growth Officer

Age 67
Compensation $2.898M USD
Sex Male

Mr. Nathan Rutledge

Senior Vice President & Head of Investor Relations

Age -
Compensation -
Sex Male

Mr. Darren Burton

Chief People Officer

Age 60
Compensation -
Sex Male

Ms. Jill Bruning

Chief Technology Officer

Age 67
Compensation -
Sex Female

Ms. Michele St. Mary

Chief Legal Officer and General Counsel

Age -
Compensation -
Sex Female
Directors
12
serving now
Independent
10 of 12
stated in the proxy
Average tenure
1.0 years
from year joined
CEO also chairs the board
No
Steven J. Demetriou
Director Age On board Independent Committees Other public boards 2025 pay Source
Steven J. Demetriou
67 2024
1 year
Not independent None stated FirstEnergy Corp., Arcosa Inc. Not stated
John Heller
63 2024
1 year
Not independent None stated None stated Paid as CEO
Benjamin Dickson
44 2024
1 year
Independent
Compensation
None stated $415,000
Vincent K. Brooks
67 2024
1 year
Independent
Audit Nominating and Governance
Diamondback Energy Inc. Not stated
Alan E. Goldberg
71 2024
1 year
Independent None stated None stated $315,000
S. Leslie Ireland
66 2024
1 year
Independent
Audit Compensation
None stated $314,997
Barbara L. Loughran
62 2024
1 year
Independent
Audit
Armstrong World Industries $339,997
Sandra E. Rowland
54 2024
1 year
Independent
Audit · Chair
Oshkosh Corporation $339,997
Christopher M.T. Thompson
77 2024
1 year
Independent None stated None stated $314,997
Russell Triedman
56 2024
1 year
Independent
Nominating and Governance
None stated $340,000
John Vollmer
68 2024
1 year
Independent None stated None stated $314,997
Connor Wentzell
35 2024
1 year
Independent
Nominating and Governance
None stated $315,000

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

Amentum Equityholder
Sponsor Stockholder
Amount not stated

Stockholders Agreement covering board composition, committees, registration rights and corporate governance, including director nomination rights.

With Amentum Open in proxy
Messrs. Dickson, Goldberg, Triedman, Vollmer, and Wentzell
director nominees designated by Sponsor Stockholder
Amount not stated

Five directors designated as nominees by Sponsor Stockholder under the Stockholders Agreement.

directors and executive officers
directors and executive officers of the Company
Amount not stated

Indemnification agreements providing contractual indemnification and expense advancement rights.

Jacobs
former parent whose CMS Business was separated into the Company
Amount not stated

Separation and Distribution Agreement providing for the separation of Jacobs' CMS Business and related asset, liability and other transfers.

With Amentum Open in proxy
Jacobs
former parent whose CMS Business was separated into the Company
Amount not stated

Transition services agreement under which the parties provided each other interim corporate or operational services; terminated September 26, 2025.

Jacobs
former parent whose CMS Business was separated into the Company
Amount not stated

Project services agreement for joint services to customers and transfer of benefits and burdens of certain contracts.

With Amentum Open in proxy
Jacobs
former parent whose CMS Business was separated into the Company
Amount not stated

Employee matters agreement allocating employment liabilities, compensation and benefit plan responsibilities.

Jacobs
former parent whose CMS Business was separated into the Company
Amount not stated

Tax matters agreement governing tax liabilities, benefits, return filing, audits and tax indemnification obligations.

With Amentum Equityholder Open in proxy
Jacobs
Amount not stated

Voting arrangement under which Jacobs votes any retained Amentum shares in proportion to other shareholders' votes.

With Amentum Open in proxy
Jacobs
former parent whose CMS Business was separated into the Company
Amount not stated

Registration rights agreement granting Jacobs shelf, demand, underwritten offering and piggyback registration rights.

Jacobs
Amount not stated
March 13, 2025

Jacobs exchanged its shares of Company common stock for certain Jacobs indebtedness held by Bank of America, N.A. under an exchange agreement.

With Bank of America, N.A. Open in proxy

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