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U.S. Securities and Exchange Commission


Amentum Holdings, Inc. (0002011286)
SIC: 7389 - Services-Business Services, NEC
State location: VA | State of Inc.: DE | Fiscal Year End: 1003
formerly: Amazon Holdco Inc. (until 2024-09-18)
Business Address
4800 WESTFIELDS BOULEVARD
SUITE 400
CHANTILLY VA 20151
7035790410
 Mailing Address
4800 WESTFIELDS BOULEVARD
SUITE 400
CHANTILLY VA 20151
Ownership Reports from: (Click on owner name to see other issuer holdings for the owner, or CIK for owner filings.)

Owner Filings Transaction Date Type of Owner
St. Mary Michele T 0002057553 2025-02-17 officer: Chief Legal Officer & GC
AMERICAN SECURITIES LLC 0001475483 2024-12-17 10 percent owner
Lindsay Goldberg IV L.P. 0001605108 2024-12-17 10 percent owner
Lindsay Goldberg IV - A L.P. 0001605152 2024-12-17 10 percent owner
Lindsay Goldberg IV - PCF L.P. 0001605154 2024-12-17 10 percent owner
ASP Manager Corp. 0001621183 2024-12-17 10 percent owner
Lindsay Goldberg V L.P. 0001743020 2024-12-17 10 percent owner
Lindsay Goldberg Employee Co-Inv. IV L.P. 0002037350 2024-12-17 10 percent owner
LG Co-Inv. A L.P. 0002037394 2024-12-17 10 percent owner
Lindsay Goldberg GP IV LLC 0002037399 2024-12-17 10 percent owner
Lindsay Goldberg Maverick Co-Inv. L.P. 0002037408 2024-12-17 10 percent owner
LG Amentum Holdings GP LLC 0002037417 2024-12-17 10 percent owner
Goldberg 2020 LLC 0002037424 2024-12-17 10 percent owner
LG GP Holding V LLC 0002037432 2024-12-17 10 percent owner
LG Amentum Holdings LP 0002037445 2024-12-17 10 percent owner
Lindsay Goldberg Co-Inv. IV L.P. 0002037459 2024-12-17 10 percent owner
Lindsay Goldberg GP V LLC 0002037542 2024-12-17 10 percent owner
Goldberg 2014 LLC 0002037981 2024-12-17 10 percent owner
LG GP Holding IV LLC 0002038310 2024-12-17 10 percent owner
ASP Amentum Investco LP 0002050378 2024-12-17 10 percent owner
Burton Darren 0002044904 2024-12-02 officer: Chief People Officer
Arnette Stephen A 0001919492 2024-10-02 officer: Chief Operating Officer
GOLDBERG ALAN E 0001077430 2024-09-27 director
DEMETRIOU STEVEN J. 0001173003 2024-09-27 director, officer: Executive Chair
Triedman J Russell 0001332187 2024-09-27 director
EBERHART RALPH E 0001409312 2024-09-27 director
Thompson Christopher M.T. 0001483410 2024-09-27 director
Heller John E. 0001552715 2024-09-27 director, officer: Chief Executive Officer
IRELAND SUSAN LESLIE 0001718953 2024-09-27 director
Vollmer John C. 0001723342 2024-09-27 director
Wentzell Connor 0001761664 2024-09-27 director
Loughran Barbara 0001778333 2024-09-27 director
Johnson Travis Barton 0001795038 2024-09-27 officer: Chief Financial Officer
Brooks Vincent K 0001809046 2024-09-27 director
Mullen Sean Thomas 0002034388 2024-09-27 officer: Chief Growth Officer
Young Stuart Ira 0002034552 2024-09-27 officer: Chief Legal Officer
Dickson Benjamin Buhl 0002036721 2024-09-27 director
Bruning Jill L 0002037037 2024-09-27 officer: Chief Technology Officer
Amentum Joint Venture LP 0002037182 2024-09-27 director, 10 percent owner
Amentum Joint Venture GP LLC 0002037401 2024-09-27 director, 10 percent owner
Rowland Sandra E. 0001629360 2024-09-23 director
JACOBS SOLUTIONS INC. 0000052988 2024-09-18 10 percent owner
PRAGADA ROBERT V 0001456921 2024-09-18 director, officer: Chief Executive Officer
Berryman Kevin C 0001462535 2024-09-18 director, officer: Chief Financial Officer
JACOBS ENGINEERING GROUP INC /DE/ 0001963960 2024-09-18 10 percent owner
Johnson Justin C 0002037580 2024-09-18 officer: Secretary
Hsu Chin Chang 0002037882 2024-09-18 officer: Treasurer


Items 1 - 69

The information presented below contains only portions of the information presented in the referenced filing or filings.
You should consult the original filing for complete information. Hyperlinks to the forms are provided for your convenience.

Acquistion or Disposition Transaction Date Deemed Execution Date Reporting Owner Form Transaction Type Direct or Indirect Ownership Number of Securities Transacted Number of Securities Owned Line Number Owner CIK Security Name
A 2025-03-17   St. Mary Michele T 4 A-Award --D 21242.0000 21242.0000 1 0002057553 Restricted Stock Units
D 2025-03-13   JACOBS SOLUTIONS INC. 4 J-Other --I 19464174.0000 0.0000 1 0000052988 Common Stock
D 2025-03-05   IRELAND SUSAN LESLIE 4 M-Exempt --D 3447.0000 0.0000 2 0001718953 Restricted Stock Units
A 2025-03-05   IRELAND SUSAN LESLIE 4 M-Exempt --D 3447.0000 3447.0000 1 0001718953 Common Stock
D 2025-03-05   Vollmer John C. 4 M-Exempt --D 3447.0000 0.0000 3 0001723342 Restricted Stock Units
A 2025-03-05   Vollmer John C. 4 M-Exempt --D 3447.0000 394788.0000 2 0001723342 Common Stock
D 2025-03-05   Brooks Vincent K 4 M-Exempt --D 3447.0000 0.0000 3 0001809046 Restricted Stock Units
A 2025-03-05   Brooks Vincent K 4 M-Exempt --D 3447.0000 10413.0000 2 0001809046 Common Stock
D 2025-03-05   Rowland Sandra E. 4 M-Exempt --D 3447.0000 0.0000 2 0001629360 Restricted Stock Units
A 2025-03-05   Rowland Sandra E. 4 M-Exempt --D 3447.0000 3447.0000 1 0001629360 Common Stock
D 2025-03-05   EBERHART RALPH E 4 M-Exempt --D 3447.0000 0.0000 3 0001409312 Restricted Stock Units
A 2025-03-05   EBERHART RALPH E 4 M-Exempt --D 3447.0000 29886.0000 2 0001409312 Common Stock
D 2025-03-04   Arnette Stephen A 4 M-Exempt --D 521.0000 0.0000 7 0001919492 Restricted Stock Units
D 2025-03-04   Arnette Stephen A 4 F-InKind --D 152.0000 22020.0000 5 0001919492 Common Stock
A 2025-03-04   Arnette Stephen A 4 M-Exempt --D 521.0000 22172.0000 4 0001919492 Common Stock
D 2025-03-03   Arnette Stephen A 4 M-Exempt --D 1230.0000 2808.0000 6 0001919492 Restricted Stock Units
D 2025-03-03   Arnette Stephen A 4 F-InKind --D 365.0000 21651.0000 3 0001919492 Common Stock
A 2025-03-03   Arnette Stephen A 4 M-Exempt --D 1230.0000 22016.0000 2 0001919492 Common Stock
A 2025-02-18   Loughran Barbara 4 P-Purchase --D 4600.0000 4600.0000 1 0001778333 Common Stock
A 2025-02-12   DEMETRIOU STEVEN J. 4 P-Purchase --D 100000.0000 620893.0000 2 0001173003 Common Stock
A 2025-01-28   Heller John E. 4 A-Award --D 155938.0000 155938.0000 3 0001552715 Restricted Stock Units
A 2025-01-28   Heller John E. 4 A-Award --D 1373955.0000 1373955.0000 2 0001552715 Stock Option
A 2024-12-20   Mullen Sean Thomas 4 A-Award --D 9298.0000 9298.0000 1 0002034388 Restricted Stock Units
A 2024-12-17   Vollmer John C. 4 J-Other -ED 391341.0000 391341.0000 1 0001723342 Common Stock
A 2024-12-17   Heller John E. 4 J-Other -ED 91794.0000 91794.0000 1 0001552715 Common Stock
A 2024-12-17   GOLDBERG ALAN E 4 J-Other -EI 43893904.0000 43893904.0000 1 0001077430 Common Stock
D 2024-12-17   Amentum Joint Venture GP LLC 4 J-Other --I 90021804.0000 0.0000 1 0002037401 Common Stock
A 2024-12-05   Burton Darren 4 A-Award --D 8165.0000 8165.0000 1 0002044904 Restricted Stock Units
A 2024-11-06   Heller John E. 4 A-Award --D 118853.0000 118853.0000 2 0001552715 Restricted Stock Units
A 2024-11-06   Heller John E. 4 A-Award --D 36291.0000 36291.0000 1 0001552715 Restricted Stock Units
A 2024-11-06   Loughran Barbara 4 A-Award --D 3447.0000 3447.0000 1 0001778333 Restricted Stock Units
A 2024-11-06   Young Stuart Ira 4 A-Award --D 3629.0000 3629.0000 1 0002034552 Restricted Stock Units
A 2024-11-06   Mullen Sean Thomas 4 A-Award --D 14516.0000 14516.0000 2 0002034388 Restricted Stock Units
A 2024-11-06   Mullen Sean Thomas 4 A-Award --D 18145.0000 18145.0000 1 0002034388 Restricted Stock Units
A 2024-11-06   DEMETRIOU STEVEN J. 4 A-Award --D 90727.0000 90727.0000 1 0001173003 Restricted Stock Units
A 2024-11-06   Thompson Christopher M.T. 4 A-Award --D 3447.0000 3447.0000 1 0001483410 Restricted Stock Units
A 2024-11-06   EBERHART RALPH E 4 A-Award --D 3447.0000 3447.0000 1 0001409312 Restricted Stock Units
A 2024-11-06   IRELAND SUSAN LESLIE 4 A-Award --D 3447.0000 3447.0000 1 0001718953 Restricted Stock Units
A 2024-11-06   Brooks Vincent K 4 A-Award --D 3447.0000 3447.0000 1 0001809046 Restricted Stock Units
A 2024-11-06   Arnette Stephen A 4 A-Award --D 38105.0000 38105.0000 2 0001919492 Restricted Stock Units
A 2024-11-06   Arnette Stephen A 4 A-Award --D 27218.0000 27218.0000 1 0001919492 Restricted Stock Units
A 2024-11-06   Bruning Jill L 4 A-Award --D 14516.0000 14516.0000 2 0002037037 Restricted Stock Units
A 2024-11-06   Bruning Jill L 4 A-Award --D 18145.0000 18145.0000 1 0002037037 Restricted Stock Units
A 2024-11-06   Vollmer John C. 4 A-Award --D 3447.0000 3447.0000 1 0001723342 Restricted Stock Units
A 2024-11-06   Johnson Travis Barton 4 A-Award --D 36291.0000 36291.0000 2 0001795038 Restricted Stock Units
A 2024-11-06   Johnson Travis Barton 4 A-Award --D 27218.0000 27218.0000 1 0001795038 Restricted Stock Units
A 2024-11-06   Rowland Sandra E. 4 A-Award --D 3447.0000 3447.0000 1 0001629360 Restricted Stock Units
A 2024-10-02   DEMETRIOU STEVEN J. 4 A-Award --D 43396.0000 43396.0000 1 0001173003 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 10395.0000 10395.0000 9 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 10984.0000 10984.0000 8 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 4596.0000 4596.0000 7 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 3681.0000 3681.0000 6 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 17273.0000 17273.0000 5 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 10106.0000 10106.0000 4 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 4038.0000 4038.0000 3 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 1178.0000 1178.0000 2 0001919492 Restricted Stock Units
A 2024-10-02   Arnette Stephen A 4 A-Award --D 521.0000 521.0000 1 0001919492 Restricted Stock Units
D 2024-09-23   JACOBS SOLUTIONS INC. 4 J-Other --I 124084108.0000 29196261.0000 1 0000052988 Common Stock
A 2024-09-18   Brooks Vincent K 4 J-Other -ED 6966.0000 6966.0000 1 0001809046 Common Stock
A 2024-09-18   EBERHART RALPH E 4 J-Other -ED 26439.0000 26439.0000 1 0001409312 Common Stock
A 2024-09-18   Arnette Stephen A 4 J-Other -ED 20786.0000 20786.0000 1 0001919492 Common Stock
A 2024-09-18   DEMETRIOU STEVEN J. 4 J-Other -ED 520893.0000 520893.0000 1 0001173003 Common Stock
- -   DEMETRIOU STEVEN J. 4 - --I 23550.0000 3 0001173003 Common Stock
- -   Goldberg 2014 LLC 3 - --I 43893904.0000 1 0002037981 Common Stock
- -   Lindsay Goldberg Employee Co-Inv. IV L.P. 3 - --I 43893904.0000 1 0002037350 Common Stock
- -   JACOBS SOLUTIONS INC. 3 - --I 100.0000 1 0000052988 Common Stock, par value $0.01 per share
- -   ASP Amentum Investco LP 3/A - --D 43893904.0000 1 0002050378 Common Stock
- -   ASP Manager Corp. 3 - --I 43893904.0000 1 0001621183 Common Stock
- -   Amentum Joint Venture GP LLC 3 - --I 90021804.0000 1 0002037401 Common Stock

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Modified: 04/22/2016