Velarion · Company Intelligence
Compensation Brief
Fiscal year 2025 · Filings through 2026-03-19

Amentum Holdings (AMTM)

CEO John Heller was paid $21,197,364 in fiscal year 2025, ↑ up 661.8% from fiscal year 2024, the 99th percentile of its disclosed peer group (SEC filing 0001104659-25-123111 ↗): executive and director compensation, incentive-plan design, equity activity, and governance — every figure in this brief is traceable to its exact location in the company’s SEC filing — the document, the section, the page, and the table, linked directly.

$21,197,364 ↑
John Heller total, FY2025
99th
CEO pay percentile vs peers
—
CEO-to-median pay ratio
97.37%
Say-on-pay support, latest vote

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AMTM's next annual pay disclosure, estimated December 19, 2026.est. Filing ↗

01

Summary Compensation Table — fiscal year 2025

Named executive officerSalaryBonusStock awardsOption awardsNon-equity incentivePension / NQDCAll otherTotal
John Heller$1,224,038$0$10,651,567$7,332,048$1,937,518$0$52,193$21,197,364
Chief Executive Officer
Steven Demetriou1,250,00002,499,97301,412,500025,0195,187,492
Executive Chairman
Travis Johnson647,308500,0002,749,9790733,634053,2544,684,175
Chief Financial Officer
Stephen Arnette744,23102,849,9480845,644026,4374,466,260
Chief Operating Officer
Sean Mullen472,107500,0001,499,9570400,656025,1822,897,902
Chief Growth Officer

A dash means the company reported no figure in that column; 0 means it reported zero. Figures are as printed in the filing, without adjustment.

Three-year trend — total compensation per named executive

Named executive officerFY2025 totalFY2024 totalFY2023 totalΔ FY2024→2025
John Heller$21,197,364$2,782,479—↑ +18,414,885
Steven Demetriou5,187,4925,351,385—↓ −163,893
Travis Johnson4,684,1751,963,649—↑ +2,720,526
Stephen Arnette4,466,2602,658,972—↑ +1,807,288
Sean Mullen2,897,9021,233,964—↑ +1,663,938

Prior-year totals as disclosed in the corresponding proxy; deltas are computed values with the derivation shown in the register.

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Companies that benchmark against AMTM
2 companies name AMTM as a compensation peer

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01c

Board of directors

One page per director: the seat, the committees and the fee table, read for one person at a time.

DirectorRoleFY2025 total
Alan E. GoldbergIndependent Director$315,000
Barbara L. LoughranIndependent Director$339,997
Benjamin DicksonLead Independent Director$415,000
Christopher M.T. ThompsonIndependent Director$314,997
Connor WentzellIndependent Director$315,000
General Ralph E. EberhartIndependent Director$314,997
General Vincent K. BrooksIndependent Director$314,997
John VollmerIndependent Director$314,997
Russell TriedmanIndependent Director$340,000
S. Leslie IrelandIndependent Director$314,997
Sandra E. RowlandIndependent Director$339,997
02

Equity transactions since the proxy statement was filed

No insider equity transactions reported since the proxy statement.

03

Grants of plan-based awards — fiscal year 2025

ExecutiveAwardGrant dateThresholdTargetGrantedMaximumGrant-date fair value
Travis JohnsonPSU2024-11-0618,14536,291—72,582$1,999,990
Steven DemetriouRSU2024-11-06——90,727—2,499,973
Stephen ArnetteRSU2024-11-06——27,218—749,989
John HellerRSU2025-01-28——155,938—3,101,607
John HellerRSU2024-11-06——36,291—999,995
Sean MullenPSU2024-11-067,25814,516—29,032799,974
Sean MullenRSU2024-11-06——18,145—499,984
Stephen ArnettePSU2024-11-0619,05238,105—76,2102,099,959
Sean MullenRSU2024-12-20——9,298—200,000
John HellerPSU2024-11-0659,426118,853—237,7066,549,965
Travis JohnsonRSU2024-11-06——27,218—749,989
John HellerOPTION2025-01-28——1,373,955—7,332,048
03b

Vehicle mix — grant-date fair value by award type

Named executive officerTime-vested (RSU)Performance-vested (PSU)Options / SARs% performance-vested
Travis Johnson$749,989$1,999,990$072.7%
Steven Demetriou2,499,973000.0%
Stephen Arnette749,9892,099,959073.7%
John Heller4,101,6026,549,9657,332,04836.4%
Sean Mullen699,984799,974053.3%

% performance-vested = PSU grant-date fair value ÷ (RSU + PSU + Options), a computed value with the derivation shown in the register.

04

Outstanding equity awards at fiscal year-end 2025

ExecutiveAwardShares unvestedExercise priceMarket value unvested
John HellerRSU155,938—$4,046,591
John HellerRSU118,853—3,084,235
John HellerPSU118,853—3,084,235
John HellerRSU90,727—2,354,366
John HellerRSU43,396—1,126,126
Travis JohnsonRSU38,652—1,003,019
Travis JohnsonRSU38,105—988,825
Travis JohnsonPSU38,105—988,825
John HellerRSU36,291—941,751
Travis JohnsonRSU36,291—941,751
Travis JohnsonPSU36,291—941,751
Travis JohnsonRSU27,218—706,307
Travis JohnsonRSU18,383—477,039
Sean MullenRSU18,145—470,863
Sean MullenRSU14,516—376,690
Sean MullenPSU14,516—376,690
Sean MullenRSU9,298—241,283
Travis JohnsonRSU2,808—72,868
Travis JohnsonRSU1,178—30,569
John HellerOption1,373,95522.71—
05

Incentive-plan design — the Compensation Discussion & Analysis

Our Executive compensation practices are crafted to attract and retain top talent, ensure competitive remuneration, provide rewards and incentives based on individual and company performance, and recognize exceptional contributions that advance the company’s vision, mission, and values.

CEO STI target (% of salary)—
CEO LTI target (% of salary)—
Independent consultant—
Clawback policytrue
Anti-hedgingtrue
Anti-pledgingtrue
06

Say-on-pay — recent advisory votes

Meeting yearMeeting dateForAgainstAbstainSupportOutcome
20262026-02-06214,017,7205,778,6041,029,33897.37%Passed
20252025-03-05188,654,754592,985457,71099.69%Passed

Rows are labeled by annual-meeting year, with the meeting date beside each; the vote held in a given year acts on the prior fiscal year's compensation.

Say-on-pay — history, company's computation

Meeting yearMeeting dateApproval — company's computation
20262026-02-0697.37%a
20252025-03-0599.69%b

a. Voting standard not stated in the filing.

b. Voting standard not stated in the filing.

Approval percentages are the company's own reported computations under its own stated standard, not recomputed by Velarion. Where a company does not state a standard, none is assumed.

08

Director compensation — fiscal year 2025

DirectorCash feesStock awardsOption awardsNon-equity incentiveAll otherTotal
Benjamin DicksonIndependent · Lead Independent Director · Compensation$415,000$0———$415,000
Russell TriedmanIndependent · Compensation (Chair) · Nominating Governance340,0000———340,000
Barbara L. LoughranIndependent · Audit · Nominating Governance (Chair)150,000189,997———339,997
Sandra E. RowlandIndependent · Audit (Chair)150,000189,997———339,997
Alan E. GoldbergIndependent · Nominating/Governance315,0000———315,000
Connor WentzellIndependent · Nominating Governance315,0000———315,000
S. Leslie IrelandIndependent · Audit · Compensation125,000189,997———314,997
General Ralph E. EberhartIndependent · Compensation125,000189,997———314,997
Christopher M.T. ThompsonIndependent125,000189,997———314,997
John VollmerIndependent125,000189,997———314,997
General Vincent K. BrooksIndependent · Audit · Nominating Governance125,000189,997———314,997
Steven (Steve) J. DemetriouEmployee director—————0
John HellerEmployee director—————0
09

Board fee structure and ownership guideline

Annual cash retainer$125,000
Annual equity retainer$190,000
Per board meeting fee$2,000
Committee chair fees (audit / comp / nom-gov)—
Stock ownership guideline$5
09b

Total cost of the board

ComponentFY2025
Cash retainers and fees$2,310,000
Equity awards (grant-date value)$1,329,979
All other compensation$0
Total cost of the board$3,639,979

Computed as the sum of the director compensation table rows above; inputs and formula shown in the register.

10

Disclosed peer group — fiscal year 2025

The compensation peer group as the company disclosed it in its own proxy — the reference set behind the percentile above.

STIP Short-Term Incentive PlanVVX V2X
10a

Peer reciprocity

Of the companies Amentum Holdings names as compensation peers, which name it back in their own disclosed peer groups. A peer set the market reciprocates reads differently from one selected in a single direction.

Short-Term Incentive Plan (STIP)✓ V2X (VVX)38

Reciprocity shown where the peer's own current proxy has been read — each mark is cited in the register to that peer's filing. A dash means the peer's current proxy was read and names no reciprocal group including Amentum Holdings.

10b

Chief executive pay against the peer group

Most recent fiscal-year chief executive compensation at each disclosed peer, taken from that company's own proxy statement.

RankCompanyFYChief executiveSalaryStock awardsOption awardsNon-equity incentiveTotal
1Amentum Holdings2025John Heller$1,224,038$10,651,567$7,332,048$1,937,518$21,197,364
2V2X2025Jeremy Wensinger1,021,9204,961,023—1,542,5287,980,782
—Short-Term Incentive Plan——————not in coverage universe

Each peer's compensation is from its most recently filed proxy; fiscal years differ by company. Each peer's figures come from its own filings; the subject company is highlighted. Peers whose chief executive compensation is outside our coverage universe are stated as such, never left blank.

10c

Incentive design against the same peers

CompanyAnnual incentive payoutLong-term vehicle mixPSU measures include TSRCompensation consultant
Amentum Holdingsnot disclosednot disclosednot disclosednot disclosed
Short-Term Incentive Plannot disclosednot disclosednot disclosednot disclosed
V2X115.2%PSU 67 · RSU 33Yes — Relative TSRPay Governance

Read from each company's Compensation Discussion and Analysis: annual incentive payout as a percentage of target, the disclosed long-term vehicle mix, whether performance-share measures include a total shareholder return component, and the retained compensation consultant. “Not disclosed” appears only where the company's filing does not state the item.

10d

Frequently asked questions

Who was the highest-paid executive at Amentum Holdings in fiscal 2025?
As disclosed, John Heller (Chief Executive Officer) was the highest-paid executive at Amentum Holdings in fiscal 2025, with total compensation of $21,197,364.
How does Amentum Holdings's chief executive pay compare to its disclosed peer group?
As disclosed, John Heller's total compensation ranked at the 99th percentile of Amentum Holdings's disclosed peer group.
How did shareholders vote on Amentum Holdings's executive compensation?
As disclosed, 97.37% of shareholders supported Amentum Holdings's executive compensation in the latest say-on-pay vote.
How much does Amentum Holdings spend in total on board compensation for fiscal 2025?
As disclosed, Amentum Holdings reported total board compensation of $3,639,979 for fiscal 2025.

Answers are drawn only from the figures disclosed in this brief and cited to their location in the source filing. Where a figure required for an answer is not disclosed, that is stated rather than estimated.

11

Source register

Each figure's location is given both for the eye (section · page · table · row · column) and for a script (table/row/column index and exact character span in the filed document). Any figure can be independently confirmed against the source.

#SupportsDocumentFiledAccessionLocation in document
1Section 01, John HellerDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation”. As printed: 21,197,364. Filing ↗machine: span 1263008–1263018
2Section 01, Steven DemetriouDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation”. As printed: 5,187,492. Filing ↗machine: r3 · c64 · span 1281863–1281872
3Section 01, Travis JohnsonDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation”. As printed: 4,684,175. Filing ↗machine: r5 · c64 · span 1300787–1300796
4Section 01, Stephen ArnetteDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation”. As printed: 4,466,260. Filing ↗machine: r7 · c64 · span 1319637–1319646
5Section 01, Sean MullenDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation”. As printed: 2,897,902. Filing ↗machine: r9 · c64 · span 1338551–1338560
6Section 03, Travis Johnson PSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
7Section 03, Steven Demetriou RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
8Section 03, Stephen Arnette RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
9Section 03, John Heller RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗machine: span 1464417–1464426
10Section 03, John Heller RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗machine: span 1453633–1453640
11Section 03, Sean Mullen PSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
12Section 03, Sean Mullen RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
13Section 03, Stephen Arnette PSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
14Section 03, Sean Mullen RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
15Section 03, John Heller PSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
16Section 03, Travis Johnson RSUDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗
17Section 03, John Heller OPTIONDEF 14A2025-12-190001104659-25-123111Section “Executive Compensation” · grants of plan-based awards table. Filing ↗machine: span 1476421–1476430
18Section 08, Benjamin DicksonDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 415,000. Filing ↗machine: span 700904–700911
19Section 08, Russell TriedmanDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 340,000. Filing ↗machine: span 727284–727291
20Section 08, Barbara L. LoughranDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 339,997. Filing ↗machine: span 717951–717958
21Section 08, Sandra E. RowlandDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 339,997. Filing ↗machine: span 721557–721564
22Section 08, Alan E. GoldbergDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 315,000. Filing ↗machine: span 708421–708428
23Section 08, Connor WentzellDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 315,000. Filing ↗machine: span 734817–734824
24Section 08, S. Leslie IrelandDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 314,997. Filing ↗machine: span 714045–714052
25Section 08, General Ralph E. EberhartDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 314,997. Filing ↗machine: span 706536–706543
26Section 08, Christopher M.T. ThompsonDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 314,997. Filing ↗machine: span 725469–725476
27Section 08, John VollmerDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 314,997. Filing ↗machine: span 732973–732980
28Section 08, General Vincent K. BrooksDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 314,997. Filing ↗machine: span 699019–699026
29Section 08, Steven (Steve) J. DemetriouDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 0. Filing ↗
30Section 08, John HellerDEF 14A2025-12-190001104659-25-123111Section “Director Compensation”. As printed: 0. Filing ↗
31Section 06, 2026 voteForm 8-K2026-02-100001628280-26-006679Item 5.07 · say-on-pay result. As reported: 97.37% (votes for as printed: 214,017,720). Filing ↗
32Section 06, 2025 voteForm 8-K2025-03-070002011286-25-000085Item 5.07 · say-on-pay result. As reported: 99.69% (votes for as printed: 188,654,754). Filing ↗
33Section 01 trend, Δ column (computed)Computed——Δ = current-FY total − prior-FY total per named officer.machine: formula: Δ = FY(n) − FY(n−1)
34Section 03b vehicle mix (computed)Computed——RSU / PSU / Options grant-date fair values summed per officer from the grants table; % performance-vested = PSU ÷ (RSU+PSU+Options).machine: formula: sums + PSU ratio
35Section 09b board cost (computed)Computed——Cash 2,310,000 + equity 1,329,979 + all other 0 = 3,639,979, summed across the director compensation table rows.machine: formula: Σ = 3,639,979
36Amentum Holdings (subject), Section 10b CEO totalDEF 14A2025-12-190001104659-25-123111CEO total compensation as printed in Amentum Holdings's own proxy. As printed: 21,197,364. Filing ↗machine: span 1263008–1263018
37V2X, Section 10b CEO totalDEF 14A2026-03-190001104659-26-031740CEO total compensation as printed in V2X's own proxy. As printed: 7,980,782. Filing ↗
38Section 10a, V2X reciprocityDEF 14A—0001104659-26-031740V2X names Amentum Holdings in its own disclosed peer group (read from its most recent proxy). Filing ↗

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