# Amentum Holdings, Inc.

> Alpha governed public record. Unknown, unavailable, and unpublished values are never inferred as zero.

## Record

| Field | Value |
| --- | --- |
| Representation | alpha-profile-markdown-v4 |
| Protocol | Alpha Governance Facts Protocol 0.1 |
| Schema | alpha.governance.entity.public.v1 |
| Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce |
| Governance record representation | alpha-governance-record-v2 |
| Canonical entity | alpha:company:c262d042-a866-4141-9e68-57a9d44efff5 |
| Entity type | Company |
| Canonical URL | https://registry.alpha.ac/companies/amentum-holdings-inc |
| Publication | PUBLISHED |
| Verification | source_reported |
| Verification schema | alpha-verification-states-v1 |
| Ownership | unclaimed |
| Published claims | 35 |
| Claims under review | 1 |
| Evidence records | 11 |
| Conflicts | 0 |
| Conflicts in internal review | 0 |
| Observed | 2026-10-16T04:45:48.120208+00:00 |
| Last reviewed | 2026-10-16T04:45:48.120208+00:00 |

## Identity

- Legal name: Amentum Holdings, Inc.
- Display name: Amentum Holdings, Inc.

## Alpha Governance Record

| Field | Value |
| --- | --- |
| Governance Record schema | alpha-governance-record-v2 |
| Ontology | alpha-governance-ontology-v1 |
| Record version | public-1:d751713988987e9331980363e24189ce:ro-d751713988987e9331980363e24189ce |
| As of | 2026-10-16T08:26:11.861652+00:00 |
| Completeness | 0.409 |
| Record Quality | 0.835 |
| Directors | 13 |
| Committees | 5 |
| Governance events | 26 |
| Entity class | public_company |

## Section coverage

| Section | State |
| --- | --- |
| identity | PUBLISHED |
| corporate_structure | NOT_REVIEWED |
| board | PUBLISHED |
| committees | PUBLISHED |
| leadership | PUBLISHED |
| ownership | NOT_REVIEWED |
| financials | NOT_REVIEWED |
| capital_structure | PUBLISHED |
| compensation | NOT_REVIEWED |
| governance | NOT_REVIEWED |
| shareholder_governance | NOT_REVIEWED |
| audit | NOT_REVIEWED |
| legal | NOT_REVIEWED |
| risk | NOT_REVIEWED |
| cyber | NOT_REVIEWED |
| ai_governance | NOT_REVIEWED |
| agent_governance | RESTRICTED |
| markets_external | NOT_REVIEWED |
| events | PUBLISHED |
| relationships | PUBLISHED |
| assessments | PUBLISHED |
| evidence | PUBLISHED |

## Board

- Alan E. Goldberg: Director. Status: current. Independent: true. Since: 2024-01-01. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:5
- Barbara L. Loughran: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Audit (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:6
- Benjamin Dickson: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Compensation (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:7
- Christopher M.T. Thompson: Director. Status: current. Independent: true. Since: 2024-01-01. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:8
- Connor Wentzell: Director. Status: current. Independent: true. Since: 2024-01-01. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:9
- General Ralph E. Eberhart: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Compensation (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:10
- General Vincent K. Brooks: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Audit (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:11
- John Heller: Director. Status: current. Independent: false. Since: 2024-01-01. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:12
- John Vollmer: Director. Status: current. Independent: true. Since: 2024-01-01. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:13
- Russell Triedman: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Compensation (chair); Compensation · Chair (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:14
- S. Leslie Ireland: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Audit (member); Audit; Compensation (member); Compensation (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:15
- Steve Rowland: Director. Status: current. Independent: true. Since: 2024-01-01. Committees: Audit (chair); Audit · Chair (member). claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:16
- Steven J. Demetriou: Director. Status: current. Independent: false. Since: 2024-01-01. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:17

## Committees

- Audit (audit). Chair: Steve Rowland. Members: Steve Rowland (chair, current); Barbara L. Loughran (member, current); General Vincent K. Brooks (member, current); S. Leslie Ireland (member, current). committee_id=alpha:committee:amentum-holdings-inc:audit
- Audit · Chair (audit). Chair: NOT_PUBLISHED. Members: Steve Rowland (member, current). committee_id=alpha:committee:amentum-holdings-inc:audit-chair
- Audit; Compensation (audit). Chair: NOT_PUBLISHED. Members: S. Leslie Ireland (member, current). committee_id=alpha:committee:amentum-holdings-inc:audit-compensation
- Compensation (compensation). Chair: Russell Triedman. Members: Russell Triedman (chair, current); Benjamin Dickson (member, current); General Ralph E. Eberhart (member, current); S. Leslie Ireland (member, current). committee_id=alpha:committee:amentum-holdings-inc:compensation
- Compensation · Chair (compensation). Chair: NOT_PUBLISHED. Members: Russell Triedman (member, current). committee_id=alpha:committee:amentum-holdings-inc:compensation-chair

## Executive leadership

- Arnette: Named Executive Officer. Status: current. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:18
- Demetriou: Named Executive Officer. Status: current. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:19
- Michele T. St. Mary: Chief Legal Officer, General Counsel and Corporate Secretary [GC]. Status: current. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:21
- Mullen: Named Executive Officer. Status: current. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:22
- Todd B. Johnson: Executive Vice President Chief Financial Officer [CFO]. Status: current. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:24
- John Heller: Chief Executive Officer [CEO]. Status: unknown. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:20
- Steven J. Demetriou: Named Executive Officer. Status: unknown. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:23
- Travis B. Johnson: Executive Vice President Chief Financial Officer [CFO]. Status: unknown. claim_id=alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:25

## Governance events

- EXECUTIVE_APPOINTED: Arnette executive of Amentum Holdings, Inc., effective 2025-12-19. Effective: 2025-12-19. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:1igf9w41ysvi94
- EXECUTIVE_APPOINTED: Demetriou executive of Amentum Holdings, Inc., effective 2025-12-19. Effective: 2025-12-19. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:zecn48fecqbu
- GC_CHANGED: Michele T. St. Mary executive of Amentum Holdings, Inc., effective 2025-12-19. Effective: 2025-12-19. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:mkl3lr4xpofz
- EXECUTIVE_APPOINTED: Mullen executive of Amentum Holdings, Inc., effective 2025-12-19. Effective: 2025-12-19. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:tcen5g10e02z8
- CFO_CHANGED: Todd B. Johnson executive of Amentum Holdings, Inc., effective 2025-12-19. Effective: 2025-12-19. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:689nyt16cio27
- DIRECTOR_APPOINTED: Alan E. Goldberg seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:1hq4q9612o0z6e
- DIRECTOR_APPOINTED: Barbara L. Loughran seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:7mrbsbu4agc9
- DIRECTOR_APPOINTED: Benjamin Dickson seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:1d54tuwa04364
- DIRECTOR_APPOINTED: Christopher M.T. Thompson seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:gvpj291chrhpb
- DIRECTOR_APPOINTED: Connor Wentzell seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:16087qam4lhc2
- DIRECTOR_APPOINTED: General Ralph E. Eberhart seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:1wp8elc1ql77ni
- DIRECTOR_APPOINTED: General Vincent K. Brooks seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:hdo1unqnymzf
- DIRECTOR_APPOINTED: John Heller seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:11ku2gc1xde9qg
- DIRECTOR_APPOINTED: John Vollmer seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:h6g2711hcojxt
- DIRECTOR_APPOINTED: Russell Triedman seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:13vrrn01ypq6oi
- DIRECTOR_APPOINTED: S. Leslie Ireland seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:12872xzd4npnb
- DIRECTOR_APPOINTED: Steve Rowland seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:w4em8yg4e4bc
- DIRECTOR_APPOINTED: Steven J. Demetriou seat on Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:r8zixdi2b2tx
- COMMITTEE_MEMBER_ADDED: Barbara L. Loughran member of Audit, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:11f54yi1na4m16
- COMMITTEE_CREATED: Audit · Chair committee of Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:plug6u1ug535s
- COMMITTEE_MEMBER_ADDED: Steve Rowland member of Audit · Chair, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:cu1apu7hwh62
- COMMITTEE_CREATED: Audit; Compensation committee of Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:1gk85zp4ct4gj
- COMMITTEE_MEMBER_ADDED: S. Leslie Ireland member of Audit; Compensation, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:15cxn2y14vs2hs
- COMMITTEE_MEMBER_ADDED: Benjamin Dickson member of Compensation, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:19uvgm35panld
- COMMITTEE_CREATED: Compensation · Chair committee of Amentum Holdings, Inc., effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:16ldjigke1mia
- COMMITTEE_MEMBER_ADDED: Russell Triedman member of Compensation · Chair, effective 2024-01-01. Effective: 2024-01-01. Detected: 2026-10-16T04:45:48.120208+00:00. event_id=alpha:event:transition:rjlbp9scqo55

## Scoped resources

- `alpha://company/amentum-holdings-inc` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record
- `alpha://company/amentum-holdings-inc/identity` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=identity
- `alpha://company/amentum-holdings-inc/corporate-structure` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=corporate-structure
- `alpha://company/amentum-holdings-inc/board` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=board
- `alpha://company/amentum-holdings-inc/committees` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=committees
- `alpha://company/amentum-holdings-inc/leadership` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=leadership
- `alpha://company/amentum-holdings-inc/ownership` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=ownership
- `alpha://company/amentum-holdings-inc/financials` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=financials
- `alpha://company/amentum-holdings-inc/capital-structure` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=capital-structure
- `alpha://company/amentum-holdings-inc/compensation` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=compensation
- `alpha://company/amentum-holdings-inc/governance` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=governance
- `alpha://company/amentum-holdings-inc/shareholder-governance` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=shareholder-governance
- `alpha://company/amentum-holdings-inc/audit` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=audit
- `alpha://company/amentum-holdings-inc/legal` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=legal
- `alpha://company/amentum-holdings-inc/risk` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=risk
- `alpha://company/amentum-holdings-inc/cyber` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=cyber
- `alpha://company/amentum-holdings-inc/ai-governance` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=ai-governance
- `alpha://company/amentum-holdings-inc/agents` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=agents
- `alpha://company/amentum-holdings-inc/ecosystem` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=ecosystem
- `alpha://company/amentum-holdings-inc/events` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=events
- `alpha://company/amentum-holdings-inc/relationships` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=relationships
- `alpha://company/amentum-holdings-inc/assessments` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=assessments
- `alpha://company/amentum-holdings-inc/evidence` (contract): https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record&section=evidence

## Role modules

- NOT_ASSERTED

## Attention

- NO_RECORDS_FOUND

## Committee data

- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:27: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"chair","person":{"alpha_id":"alpha:person:sandra-e-rowland","name":"Steve Rowland"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:28: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:barbara-l-loughran","name":"Barbara L. Loughran"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:29: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:general-vincent-k-brooks","name":"General Vincent K. Brooks"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:30: `{"kind":"committee_appointment","original_name":"Audit","category":"audit","role":"member","person":{"alpha_id":"alpha:person:s-leslie-ireland","name":"S. Leslie Ireland"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:32: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"chair","person":{"alpha_id":"alpha:person:russell-triedman","name":"Russell Triedman"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:33: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:benjamin-dickson","name":"Benjamin Dickson"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:34: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:general-ralph-e-eberhart","name":"General Ralph E. Eberhart"},"source_id":"board_seats"}`
- Claim alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:35: `{"kind":"committee_appointment","original_name":"Compensation","category":"compensation","role":"member","person":{"alpha_id":"alpha:person:s-leslie-ireland","name":"S. Leslie Ireland"},"source_id":"board_seats"}`

## Leadership

- Alan E. Goldberg: Director. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:5. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Barbara L. Loughran: Director, Audit. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:6. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Benjamin Dickson: Director, Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:7. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Christopher M.T. Thompson: Director. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:8. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Connor Wentzell: Director. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:9. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- General Ralph E. Eberhart: Director, Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:10. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- General Vincent K. Brooks: Director, Audit. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:11. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- John Heller: Director. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:12. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- John Vollmer: Director. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:13. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Russell Triedman: Director, Compensation · Chair. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:14. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- S. Leslie Ireland: Director, Audit; Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:15. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Steve Rowland: Director, Audit · Chair. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:16. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Steven J. Demetriou: Director. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:17. Valid from: 2024-01-01. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20.
- Arnette: Named Executive Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:18. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:bd50a8d2ffe34f5cfca5e553b5c0e57a9f1eda5c1375082b5f40168830f15c2d.
- Demetriou: Named Executive Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:19. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:62818ee284bfef6dea4a29c8cd573fe174b72286a082267547ff7b856e1a45a6.
- John Heller: Chief Executive Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:20. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:6f61cb7ab253b7565da2ca30981a1af1a1b34f64af2176c923ea6baf207b5c50.
- Michele T. St. Mary: Chief Legal Officer, General Counsel and Corporate Secretary. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:21. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:4e8982fac21e86deb29f86488be78b7570e0f2e11611562b8c34e92d690e981b.
- Mullen: Named Executive Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:22. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:599fb54bda593424efc5ac709b4fa67738e646fd087df00b9d7ec86b942a8766.
- Steven J. Demetriou: Named Executive Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:23. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:909856fd19687b4e74eaf8ea17a322048088662bd851d791d4e99db680b531ba.
- Todd B. Johnson: Executive Vice President Chief Financial Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:24. Valid from: 2025-12-19. Valid to: NOT_ASSERTED. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:d955cc08a0ed73053d0dec9964f4b1f18e6535e824ab194c51ef84e8090c86b9.
- Travis B. Johnson: Executive Vice President Chief Financial Officer. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:leadership_role:25. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:document:f3bac4479f5385f936e8d6dccd3fdf6c7e7f2f9fa7db715a1482e8a8f216e120.

## Roles

- PUBLISHED

## Governance

- NOT_ASSERTED

## Board committees

- Audit: Chair Steve Rowland; Members Steve Rowland (Chair); Barbara L. Loughran; General Vincent K. Brooks; S. Leslie Ireland. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_record:26. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- Compensation: Chair Russell Triedman; Members Russell Triedman (Chair); Benjamin Dickson; General Ralph E. Eberhart; S. Leslie Ireland. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_record:31. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.

## Financials

- NOT_ASSERTED

## Workforce

- NOT_ASSERTED

## Market and index context

- PUBLISHED

## Legal Name

- Amentum Holdings, Inc.. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:legal_name:1. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5206469525bbc9a9b7644e96d9b011f363d538587ac7eab0938fa8feee25696a.

## Entity Status

- Public listing published. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:entity_status:3. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5206469525bbc9a9b7644e96d9b011f363d538587ac7eab0938fa8feee25696a.

## Published Fact

- US. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:published_fact:4. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5206469525bbc9a9b7644e96d9b011f363d538587ac7eab0938fa8feee25696a.

## Committee Appointment

- Steve Rowland: chair, Audit. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:27. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- Barbara L. Loughran: member, Audit. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:28. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- General Vincent K. Brooks: member, Audit. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:29. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- S. Leslie Ireland: member, Audit. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:30. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- Russell Triedman: chair, Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:32. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- Benjamin Dickson: member, Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:33. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- General Ralph E. Eberhart: member, Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:34. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.
- S. Leslie Ireland: member, Compensation. Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:committee_appointment:35. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4.

## Security Listing

- AMTM (NYSE). Claim: alpha:claim:company:c262d042-a866-4141-9e68-57a9d44efff5:security_listing:36. Publication: PUBLISHED. Verification: source_reported. Assertion: source_reported. Evidence: alpha:projection-evidence:5206469525bbc9a9b7644e96d9b011f363d538587ac7eab0938fa8feee25696a.

## Coverage states

| Field | Value |
| --- | --- |
| Identity | PUBLISHED |
| Business | PUBLISHED |
| Leadership | PUBLISHED |
| Board and committees | PUBLISHED |
| Governance | NOT_ASSERTED |
| Financials | NOT_ASSERTED |
| Workforce | NOT_ASSERTED |
| Ownership | NOT_ASSERTED |
| Ratings | NOT_PUBLISHED |
| Market and index context | PUBLISHED |

## Public sources

- alpha:projection-evidence:5206469525bbc9a9b7644e96d9b011f363d538587ac7eab0938fa8feee25696a: [Alpha canonical company public projection](https://www.alpha.ac/api/public/companies/amentum-holdings-inc).
- alpha:projection-evidence:document:26af7aa93ef557ac2145d2d5b3a120d719ee688d9d123236f14a892403d84f20: [Amentum Holdings, Inc. DEF 14A 2025-12-19](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).
- alpha:projection-evidence:document:bd50a8d2ffe34f5cfca5e553b5c0e57a9f1eda5c1375082b5f40168830f15c2d: [AMTM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).
- alpha:projection-evidence:document:62818ee284bfef6dea4a29c8cd573fe174b72286a082267547ff7b856e1a45a6: [AMTM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).
- alpha:projection-evidence:document:6f61cb7ab253b7565da2ca30981a1af1a1b34f64af2176c923ea6baf207b5c50: AMTM executive roster source.
- alpha:projection-evidence:document:4e8982fac21e86deb29f86488be78b7570e0f2e11611562b8c34e92d690e981b: [AMTM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).
- alpha:projection-evidence:document:599fb54bda593424efc5ac709b4fa67738e646fd087df00b9d7ec86b942a8766: [AMTM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).
- alpha:projection-evidence:document:909856fd19687b4e74eaf8ea17a322048088662bd851d791d4e99db680b531ba: AMTM executive roster source.
- alpha:projection-evidence:document:d955cc08a0ed73053d0dec9964f4b1f18e6535e824ab194c51ef84e8090c86b9: [AMTM DEF 14A executive officers](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).
- alpha:projection-evidence:document:f3bac4479f5385f936e8d6dccd3fdf6c7e7f2f9fa7db715a1482e8a8f216e120: AMTM executive roster source.
- alpha:projection-evidence:8899132199a9da9465e58bba5ab6e95bfcedbad4796b62abc7516082f9421fd4: [Audit](https://www.sec.gov/Archives/edgar/data/2011286/000110465925123111/tm2523471-2_def14a.htm).

## Rights

| Field | Value |
| --- | --- |
| public_retrieval | allowed |
| agent_retrieval | allowed |
| redistribution | not_granted |
| model_training | not_granted |
| commercial_use | not_specified |
| relationship_pathfinding | not_granted |
| direct_contact | not_granted |

## Limitations

- Absence of a leadership role, committee, or disclosure is not evidence that it does not exist.
- Only explicitly published canonical company identity and current confirmed public roles are included.
- Absence of a board, committee, executive, listing, or claim is not evidence that it does not exist.
- Public retrieval does not grant redistribution, model-training, direct-contact, or relationship-pathfinding rights.
- This Company Profile is an identity and evidence record, not an Alpha rating.

## Alternate representations

- [Canonical profile](https://registry.alpha.ac/companies/amentum-holdings-inc)
- [Public Markdown](https://registry.alpha.ac/companies/amentum-holdings-inc.md)
- [Public JSON](https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=record)
- [JSON-LD](https://registry.alpha.ac/api/public/companies/amentum-holdings-inc?format=jsonld)
- MCP resource: `alpha://companies/amentum-holdings-inc` at https://mcp.alpha.ac/mcp


## Connected governance records

Only explicitly published, rights-cleared records. Missing records do not establish absence, safety, or complete coverage.

## Critical-risk oversight

Snapshot as of 2026-10-16T08:26:11.669393+00:00; recorded 2026-10-16T08:26:11.669393+00:00. Every published assignment for this snapshot is listed.
Only explicitly reviewed, rights-cleared assignments in effect on the as-of date, in the company's own wording.
An assignment shows where oversight is placed, not whether it is effective. Missing records do not establish absence.