Clerk of the House of Representatives • Legislative Resource Center • B-106 Cannon Building • Washington, DC 20515

Secretary of the Senate • Office of Public Records • 232 Hart Building • Washington, DC 20510

Filer Type and Name

Type:

Organization Lobbyist

Organization Name:

Amentum Holdings, Inc.

Identification Numbers

House Registrant ID:

44741

Senate Registrant ID:

401105604

Reporting Period

Year:

2026

Mid-Year (January 1 - June 30)

Year-End (July 1 - December 31)

Political Action Committee Names

Contributions

#0.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$500.00

Date:

1/9/2026

Payee:

Walkinshaw For Congress

Honoree:

Representative James Walkinshaw

#1.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

2/6/2026

Payee:

Blake Moore For Congress

Honoree:

Representative Blake Moore

#2.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$500.00

Date:

2/6/2026

Payee:

Debbie Wasserman Schultz For Congress

Honoree:

Representative Debbie Wasserman Schultz

#3.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$2,500.00

Date:

2/6/2026

Payee:

Friends Of Scott Desjarlais

Honoree:

Representative Scott DesJarlais

#4.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$500.00

Date:

2/6/2026

Payee:

Jeff Crank For Congress

Honoree:

Representative Jeff Crank

#5.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

2/6/2026

Payee:

Messmer For Congress

Honoree:

Representative Mark Messmer

#6.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

2/6/2026

Payee:

Womack For Congress Committee

Honoree:

Representative Steve Womack

#7.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$2,500.00

Date:

2/9/2026

Payee:

Friends Of Scott Desjarlais

Honoree:

Representative Scott DesJarlais

#8.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$4,000.00

Date:

2/9/2026

Payee:

Rob Wittman For Congress

Honoree:

Representative Rob Wittman

#9.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$5,000.00

Date:

2/20/2026

Payee:

Adam Smith For Congress Committee

Honoree:

Representative Adam Smith

#10.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

2/20/2026

Payee:

Hal Rogers For Congress

Honoree:

Representative Hal Rogers

#11.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

2/20/2026

Payee:

Kelly For Congress

Honoree:

Representative Trent Kelly

#12.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$2,500.00

Date:

2/23/2026

Payee:

Mike Haridopolos For Congress

Honoree:

Representative Mike Haridopolos

#13.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/9/2026

Payee:

Chuck Fleischmann For Congress Committee, Inc.

Honoree:

Representative Chuck Fleischmann

#14.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/9/2026

Payee:

The Reed Committee

Honoree:

Senator Jack Reed

#15.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/9/2026

Payee:

Walkinshaw For Congress

Honoree:

Representative James Walkinshaw

#16.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/20/2026

Payee:

Brian Mast For Congress

Honoree:

Representative Brian Mast

#17.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$2,500.00

Date:

3/20/2026

Payee:

Building Renewal in America Now PAC (BRIAN PAC)

Honoree:

Representative Brian Babin

#18.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/20/2026

Payee:

Chuck Fleischmann For Congress Committee, Inc.

Honoree:

Representative Chuck Fleischmann

#19.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$2,500.00

Date:

3/20/2026

Payee:

Elect Democratic Women

Honoree:

Democratic Candidate and Members

#20.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$2,500.00

Date:

3/20/2026

Payee:

Himes For Congress

Honoree:

Representative Jim Hines

#21.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/20/2026

Payee:

Lofgren For Congress

Honoree:

Representative Zoe Lofgren

#22.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

3/20/2026

Payee:

Nevadans For Steven Horsford

Honoree:

Representative Steven Horsford

#23.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$500.00

Date:

4/20/2026

Payee:

Chuck Fleischmann For Congress Committee, Inc.

Honoree:

Representative Chuck Fleischmann

#24.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

4/20/2026

Payee:

Messmer For Congress

Honoree:

Representative Mark Messmer

#25.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

5/4/2026

Payee:

Scalise For Congress

Honoree:

Representative Steve Scalise

#26.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

5/7/2026

Payee:

Jim Jordan For Congress

Honoree:

Representative Jim Jordan

#27.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

5/12/2026

Payee:

Gillibrand For Senate

Honoree:

Senator Kirsten Gillibrand

#28.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/15/2026

Payee:

Messmer For Congress

Honoree:

Representative Mark Messmer

#29.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

American Security PAC, The

Honoree:

Representative Mike Rogers

#30.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

Blumenthal For Connecticut

Honoree:

Senator Richard Blumenthal

#31.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

Ciscomani For Congress

Honoree:

Representative Juan Ciscomani

#32.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

Fallon For Congress

Honoree:

Representative Pat Fallon

#33.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

George Whitesides For Congress

Honoree:

Representative George Whitesides

#34.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

Himes For Congress

Honoree:

Representative Jim Himes

#35.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$500.00

Date:

6/22/2026

Payee:

Scott Peters For Congress

Honoree:

Representative Scott Peters

#36.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

Ted Lieu For Congress

Honoree:

Representative Ted Lieu

#37.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/22/2026

Payee:

Vindman For Congress

Honoree:

Representative Eugene Vindman

#38.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$3,500.00

Date:

6/22/2026

Payee:

Walkinshaw For Congress

Honoree:

Representative James Walkinshaw

#39.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$3,000.00

Date:

6/22/2026

Payee:

Walkinshaw For Congress

Honoree:

Representative James Walkinshaw

#40.

Contribution Type:

FECA

Contributor Name:

Amentum Services, Inc. PAC

Amount:

$1,000.00

Date:

6/23/2026

Payee:

Derek Tran For Congress

Honoree:

Representative Derek Tran

Comments

John A. Gastright, Jr. is the Treasurers of the Amentum Holdings, Inc. PAC

Certification and Signature

I certify that I have read and am familiar with the provisions of the Standing Rules of the Senate and the Standing rules of the House of Representatives relating to the provision of gifts and travel. I have not provided, requested or directed a gift, including travel, to a Member of Congress or an officer or employee of either House of Congress with knowledge that receipt of the gift would violate rule XXXV of the Standing Rules of the Senate or rule XXV of the Rules of the House of Representatives during this filing period.

Digitally Signed By:

John A. Gastright, Jr., 7/30/2026 10:34:27 AM