PAC · DC · C00731414

Amentum Holdings, INC. PAC (Amentum PAC)

A traditional political action committee. It raises limited contributions and can give directly to candidates. Lobbyist/registrant PAC.

First filed Dec. 17, 2019. Treasurer: John Gastright. Connected organization: Amentum Holdings, INC.. View on FEC.gov

  • Raised (2025-26)
    $288,324
  • Spent
    $200,540
  • Cash on hand
    $154,477
  • Outside spending
    $0

Through reports covering Aug. 31, 2026.

Where its money went

  • Given: the group’s own contributions to the campaign
  • Bundled: donors’ contributions the group collected and forwarded
  • For: outside spending supporting
  • Against: outside spending opposing
  1. Scott DesJarlais (R)House · TN-04
    • Given$10K
  2. Adam Smith (D)House · WA-09
    • Given$10K
  3. Rob Wittman (R)House · VA-01
    • Given$9K
  4. James Walkinshaw (D)House · VA-11
    • Given$8K
  5. Jeff Crank (R)House · CO-05
    • Given$8K
    • Given$8K
  6. Mario Diaz-Balart (R)House · FL-26
    • Given$7K
  7. Ken Calvert (R)House · CA-40
    • Given$7K
  8. Dale W. Strong (R)House · AL-05
    • Given$5K
  9. Mike Haridopolos (R)House · FL-08
    • Given$5K
  10. Darline Graham (R)Senate · SC
    • Given$5K
  11. Bill Hagerty (R)Senate · TN
    • Given$5K
  12. Tom Cole (R)House · OK-04
    • Given$5K
  13. Mark Warner (D)Senate · VA
    • Given$4K
    • Given$4K
  14. Joe Wilson (R)House · SC-02
    • Given$4K
    • Given$4K
  15. Jim Himes (D)House · CT-04
    • Given$4K
  16. Brian Babin (R)House · TX-36
    • Given$4K
  17. Trent Kelly (R)House · MS-01
    • Given$3K

Showing the top 20 of 57 candidates.

Bundled contributions (money donors route through a PAC to specific candidates) are broken out only for groups on our issue pages.

Money to parties and other committees

Who funds it

Largest single contributions this cycle. Committees and organizations link to their own pages when they file with the FEC; an organization that doesn’t file won’t show its own donors here.

Largest contributions received this cycle
ContributorTypeFromDateAmount
Critical Mission Solutions PAC of Amentum Holdings INC.PACArlington, VAMarch 25, 2025$36,879
Stephen A. ArnetteCMS Evp & President, Amentum Services INC.PersonArlington, VAAug. 31, 2025$577
Stephen A ArnetteCMS Evp & President, Amentum Services INC.PersonArlington, VAJuly 31, 2026$577
Stephen A ArnetteCMS Evp & President, Amentum Services INC.PersonArlington, VAJan. 31, 2026$577
Stephen A. ArnetteCMS Evp & President, AmentumPersonArlington, VAJan. 31, 2025$577
Nathan RutledgeFinance, Amentum Services, INC.PersonRockville, MDAug. 31, 2025$577
Michele ST. MaryChief Legal Officer, Amentum Services, INC.PersonVienna, VAAug. 31, 2025$577
Travis MacklandInformation Ana Senior Vice President, Amentum Services, INC.PersonChantilly, VAAug. 31, 2025$577
Jason CerratoGlobal Talent SVP, Amentum Services INC.PersonChantilly, VAJuly 31, 2026$577
Michele St.maryChief Legal Officer, Amentum Services, INC.PersonVienna, VAJuly 31, 2026$577
Travis MacklandInformation Ana Senior Vice President, Amentum Services, INC.PersonChantilly, VAJuly 31, 2026$577
Nathan RutledgeFinance, Amentum Services, INC.PersonRockville, MDJan. 31, 2026$577
Michele St.maryChief Legal Officer, Amentum Services, INC.PersonVienna, VAJan. 31, 2026$577
Travis MacklandInformation Ana Senior Vice President, Amentum Services, INC.PersonChantilly, VAJan. 31, 2026$577
John A GastrightSVP Government Relations, Amentum Services, INC.PersonUpper Marlboro, MDAug. 31, 2025$576
John A GastrightSVP Government Relations, Amentum Services, INC.PersonUpper Marlboro, MDJuly 31, 2026$576
John A GastrightSVP Government Relations, Amentum Services, INC.PersonUpper Marlboro, MDJan. 31, 2026$576
John A GastrightSVP Government Relations, Amentum Services, INC.PersonUpper Marlboro, MDJan. 31, 2025$576
James M WhitneyPresident, Amentum Services, INC.PersonArnold, MDAug. 31, 2025$544
James M WhitneyPresident, Amentum Services, INC.PersonArnold, MDJuly 31, 2026$544
James M WhitneyPresident, Amentum Services, INC.PersonArnold, MDJan. 31, 2026$544
James M WhitneyPresident, Amentum Services, INC.PersonArnold, MDJan. 31, 2025$544
Barbara D WalkerSVP HR, Amentum Services, INC.PersonFort Worth, TXAug. 31, 2025$450
Barbara D WalkerSVP HR, Amentum Services, INC.PersonFort Worth, TXJuly 31, 2026$450
Barbara D WalkerSVP HR, Amentum Services, INC.PersonFort Worth, TXJan. 31, 2026$450