Figures computed from official regulatory filings — .
Analysttarget 29.5 USD (+62%) · consensus 3.58/5 · 5 buy · 6 hold · 1 sell
Ownershipinsiders 1.17% · institutions 109.88% · short 8.0% of float
In USD · as of Oct 5, 2026
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Amentum Holdings, Inc. engages in the provision of engineering and technology solutions in the United States and internationally. It operates through two segments, Digital Solutions and Global Engineering Solutions. The company offers digital and data-driven solutions, including intelligence analytics, space system development, cybersecurity, and IT to the federal government and commercial clients. It also provides large-scale environmental remediation, nuclear power solutions, platform engineering, sustainment, and supply chain management for the U.S. government and allied nations. The company was incorporated in 2023 and is headquartered in Chantilly, Virginia.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Thompson Christopher M.T.track record | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mullen Sean Thomas | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bruning Jill L | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Bruning Jill L | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Arnette Stephen A | Other | $82.5K | SEC |
| Bruning Jill L | Other | $68K | SEC |
| Mullen Sean Thomas | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Heller John E. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Arnette Stephen A | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mullen Sean Thomas | Other | $68.7K | SEC |
| Johnson Travis Barton | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Heller John E. | Other | $203.7K | SEC |
| Heller John E. | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Johnson Travis Barton | Other | $102K | SEC |
| Arnette Stephen A | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Johnson Travis Barton | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Bruning Jill L | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Arnette Stephen A | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Arnette Stephen A | Other | $23K | SEC |
| Arnette Stephen A | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| St. Mary Michele T | Exercise | n/a (No price was disclosed in the filing) | SEC |
| St. Mary Michele T | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| St. Mary Michele T | Other | $69.4K | SEC |
| Brooks Vincent K | Exercise | n/a (No price was disclosed in the filing) | SEC |
| Brooks Vincent K | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |