Stephen Arnette compensation by year
Amentum Summary Compensation Table · all 2 fiscal years held| Component | FY2024 | FY2025 |
|---|---|---|
| Salary | $586,154 | $744,231 |
| Bonus | $0 | $0 |
| Stock awards | $1,500,013 | $2,849,948 |
| Option awards | $0 | $0 |
| Non-equity incentive | $511,203 | $845,644 |
| Pension and deferred compensation | $0 | $0 |
| All other | $61,602 | $26,437 |
| Total | $2,658,972 | $4,466,260 |
Each year as stated in that year's proxy. A dash means the company reported no figure in that column. Source: Amentum Holdings, Inc. DEF 14A filed December 19, 2025, accession 0001104659-25-123111, and prior-year filings. Open the filing on EDGAR.
Equity holdings
unvested awards at FY2024 year-end| Type | Unvested units | Value at year-end | Exercise price |
|---|---|---|---|
| RSU | 17,273 | $475,956 | — |
| RSU | 10,984 | $302,663 | — |
| RSU | 10,395 | $286,433 | — |
| RSU | 10,106 | $278,470 | — |
| RSU | 4,596 | $126,642 | — |
| RSU | 4,038 | $111,267 | — |
| RSU | 3,681 | $101,430 | — |
| PSU | 1,178 | $32,460 | — |
| RSU | 521 | $14,356 | — |
Per the Outstanding Equity Awards at Fiscal Year-End table in Amentum Holdings, Inc.'s FY2024 proxy; value at the fiscal year-end close, as the company printed it.
Amentum’s named executive officers, FY2025
as the company reported each| Named executive officer | Role | FY2025 total |
|---|---|---|
| John Heller | Chief Executive Officer | $21,197,364 |
| Steven Demetriou | Executive Chairman | $5,187,492 |
| Travis Johnson | Chief Financial Officer | $4,684,175 |
| Stephen Arnette · this page | Chief Operating Officer | $4,466,260 |
| Sean Mullen | Chief Growth Officer | $2,897,902 |
The full Amentum compensation record
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Compensation, the day it’s disclosed
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How this record is built
Every figure on this page is one figure from a public SEC filing, printed as the filing states it and cited to the document. Compensation totals are Amentum's own disclosed totals, not summed by Velarion. Insider transactions are read from Form 4 filings and cover every line filed since the most recent proxy. Nothing is estimated by Velarion; where the company does not disclose a value the cell reads "—", and a section appears only where the company discloses the data. Corrections: records@velarion.ai.
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