Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001641172-25-009710
Filing Date
2025-05-12
Accepted
2025-05-12 16:30:19
Documents
1
Period of Report
2025-05-08

Document Format Files

Seq Description Document Type Size
1 ownership.html 4  
1 ownership.xml 4 11616
  Complete submission text file 0001641172-25-009710.txt   16678
Mailing Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111
Business Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111 (212) 651-1100
Lindsay Goldberg V L.P. (Reporting) CIK: 0001743020 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42176 | Film No.: 25935338

Mailing Address 4800 WESTFIELDS BOULEVARD SUITE 400 CHANTILLY VA 20151
Business Address 4800 WESTFIELDS BOULEVARD SUITE 400 CHANTILLY VA 20151 7035790410
Amentum Holdings, Inc. (Issuer) CIK: 0002011286 (see all company filings)

EIN.: 990622272 | State of Incorp.: DE | Fiscal Year End: 1003
SIC: 7389 Services-Business Services, NEC
(CF Office: 07 Trade & Services)

Mailing Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111
Business Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111 (212) 651-1148
Lindsay Goldberg Employee Co-Inv. IV L.P. (Reporting) CIK: 0002037350 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42176 | Film No.: 25935340

Mailing Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111
Business Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111 (212) 651-1100
LG Co-Inv. A L.P. (Reporting) CIK: 0002037394 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42176 | Film No.: 25935339

Mailing Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111
Business Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111 (212) 651-1100
Lindsay Goldberg Maverick Co-Inv. L.P. (Reporting) CIK: 0002037408 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42176 | Film No.: 25935337

Mailing Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111
Business Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111 (212) 651-1100
LG Amentum Holdings GP LLC (Reporting) CIK: 0002037417 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42176 | Film No.: 25935336

Mailing Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111
Business Address C/O LINDSAY GOLDBERG LLC 630 FIFTH AVENUE, 30TH FLOOR NEW YORK NY 10111 (212) 651-1100
LG Amentum Holdings LP (Reporting) CIK: 0002037445 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-42176 | Film No.: 25935335