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All lobbying filings

Amentum Holdings, Inc.

Amentum Holdings, Inc. filed a Q4 report for Amentum Holdings, Inc. on January 20, 2026.

Lobbying for Amentum Holdings, Inc.

As filed: AMENTUM HOLDINGS, INC. for AMENTUM HOLDINGS, INC.

All filings by Amentum Holdings, Inc. · Everything Amentum Holdings, Inc. has reported

 Filing · LD-2 quarterly report Q4 report
Reporting period
4th Quarter 2025
Oct 1 - Dec 31 · Posted Jan 20, 2026
Expenses
$100,000
What this organization spent lobbying with its own staff. Reported using the LDA's own definitions (method A): the three LDA methods count different costs, so an expenses figure is not comparable across filers that used different ones.
Client based in
District of Columbia

Official filing document

 Government bodies contacted 3

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when. Each name opens every filing that named the same body.

 Lobbying activity 5
Aerospace

S.933, NASA Transition Authorization Act of 2025, Entirety H.R.5342/S.2354, Commerce, Justice, Science & Related Agencies Appropriations Act, FY2026, including issues related to NASA Artemis Deep Space Exploration Account H.R.4016/S.2572, Department of Defense Appropriations Act, FY2026, Space Launch issues Public Law 119-60, National Defense Authorization FY2026, Space Launch issues Monitor S.1081, Comprehensive NASA Reporting Act of 2025, Entirety

Budget/Appropriations

H.R.5342/S.2354, Commerce, Justice, Science, and Related Agencies Appropriations Act, FY2026, including issues related to infrastructure and NASA Deep Space Exploration Account; and Monitor Nuclear Energy for Lunar Surface Public Law 119-60, National Defense Authorization FY2026, Space Launch issues; Monitor Golden Dome; Monitor missile defense, and Monitor nuclear energy infrastructure issues H.R.4016/S.2572, Department of Defense Appropriations Act, FY2026, Space Launch issues; General defense contracting; Monitor National security; and Monitor defense and cybersecurity S.933, NASA Transition Authorization Act of 2025, Lunar Nuclear Power related issues Monitor H.R.4553/S.3293, Energy and Water Development and Related Agencies Appropriations Act, FY2026, Environment management related issues

Defense

Public Law 119-60, National Defense Authorization FY2026, Space Launch issues; Monitor Golden Dome; Monitor missile defense, and Monitor nuclear energy infrastructure issues H.R.4016/S.2296, Department of Defense Appropriations Act, FY2026, Space Launch issues; General defense contracting; Monitor National security; and Monitor defense and cybersecurity Counter Unmanned Aerial Systems Unmanned Aerial Systems

Environment/Superfund

Department of Energy, Environmental management related issues Monitor H.R.4553/S.3293, Energy and Water Development and Related Agencies Appropriations Act, FY2026, Environmental management related issues

Homeland Security

Counter Unmanned Aerial Systems Unmanned Aerial Systems Monitor the following: U.S. Customs and Border Protection, Aviation maintenance issues Public Law 119-21, One Big Beautiful Bill Act, Border Security

 Bills named in this filing 9
  • S. 933
    NASA Authorization Act of 2026
  • H.R. 5342
    Commerce, Justice, Science, and Related Agencies Appropriations Act, 2026
  • S. 2354
    Commerce, Justice, Science, and Related Agencies Appropriations Act, 2026
  • H.R. 4016
    Department of Defense Appropriations Act, 2026
  • S. 2572
    Department of Defense Appropriations Act, 2026
  • S. 1081
    Comprehensive NASA Reporting Act of 2025
  • H.R. 4553
    Energy and Water Development and Related Agencies Appropriations Act, 2026
  • S. 3293
    Energy and Water Development and Related Agencies Appropriations Act, 2026
  • S. 2296
    National Defense Authorization Act for Fiscal Year 2026

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.

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