Goldberg 2014 LLC - 08 May 2025 Form 4 Insider Report for Amentum Holdings, Inc. (AMTM)

Reporting relationship: 10%+ Owner
Issuer ticker: AMTM
Reported as of: 08 May 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 12 May 2025, 16:30:14 UTC
Prior SEC filing: 27 Dec 2024
Source filing: View source filing
Reporting owner signature: Goldberg 2014 LLC /s/ James C. Pickel, Jr., Vice President

Key filing fact

Goldberg 2014 LLC filed Form 4 for Amentum Holdings, Inc. (AMTM) on 12 May 2025.

Key facts

This page summarizes Goldberg 2014 LLC's Form 4 filing for Amentum Holdings, Inc. (AMTM).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 12 May 2025, 16:30.

Change

Previous filing in this sequence was filed on 27 Dec 2024.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (10)

CIK 0002037981 Primary reporting owner

Goldberg 2014 LLC

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Goldberg 2014 LLC /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0002037424

Goldberg 2020 LLC

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Goldberg 2020 LLC /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0002038310

LG GP Holding IV LLC

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: LG GP Holding IV LLC /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0002037432

LG GP Holding V LLC

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: LG GP Holding V LLC /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0002037399

Lindsay Goldberg GP IV LLC

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Lindsay Goldberg GP IV LLC /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0002037542

Lindsay Goldberg GP V LLC

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Lindsay Goldberg GP V LLC /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0001605108

Lindsay Goldberg IV L.P.

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Lindsay Goldberg IV L.P. By: Lindsay Goldberg GP IV LLC, its General Partner /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0001605152

Lindsay Goldberg IV - A L.P.

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Lindsay Goldberg IV - A L.P. By: Lindsay Goldberg GP IV LLC, its General Partner /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0001605154

Lindsay Goldberg IV - PCF L.P.

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Lindsay Goldberg IV - PCF L.P. By: Lindsay Goldberg GP IV LLC, its General Partner /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

CIK 0002037459

Lindsay Goldberg Co-Inv. IV L.P.

Relationship: 10%+ Owner
Address: C/O GOLDBERG LINDSAY & CO. LLC, 630 FIFTH AVENUE, 30TH FLOOR, NEW YORK
Signature: Lindsay Goldberg Co-Inv. IV L.P. By: Lindsay Goldberg GP IV LLC, its General Partner /s/ James C. Pickel, Jr., Vice President
Signature date: 12 May 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AMTM transaction

Common Stock

Other

Transaction value
Shares: +1,132,839
Change %: +2.6%
Price
Shares after: 45,026,743
Date: 08 May 2025
Ownership: See Footnotes
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Represents securities received in a pro-rata distribution in-kind by Amentum Joint Venture LP to its partners for no consideration.

Footnote F2

Mr. Goldberg is the Managing Member of Goldberg 2014 LLC and the Manager of Goldberg 2020 LLC. Goldberg 2014 LLC is the Active Member (and thereby, the manager) of LG GP Holding IV LLC, which is the managing member of Lindsay Goldberg GP IV LLC, which is the general partner of each of Lindsay Goldberg IV L.P., Lindsay Goldberg IV - A L.P., Lindsay Goldberg IV - PCF L.P., Lindsay Goldberg Co-Inv. IV L.P. and Lindsay Goldberg Employee Co-Inv. IV L.P (together, the "LG Fund IV Partnerships"). Goldberg 2020 LLC is the Manager of LG GP Holding V LLC, which is the managing member of Lindsay Goldberg GP V LLC, which is the general partner of each of Lindsay Goldberg V L.P. and Lindsay Goldberg Maverick Co-Inv. L.P. (together, the "LG Fund V Partnerships").

Footnote F3

Each of Lindsay Goldberg GP IV LLC and Lindsay Goldberg GP V LLC are the general partners of LG Co-Inv. A LP. Each of the LG Fund IV Partnerships, the LG Fund V Partnerships and LG Co-Inv. A LP are members of LG Amentum Holdings GP LLC, which is the general partner of LG Amentum Holdings LP. Each of the Reporting Persons other than LG Amentum Holdings LP may be deemed to share beneficial ownership of the Common Shares directly held by LG Amentum Holdings LP.

SEC remarks

Due to limitations of the electronic filing system, Lindsay Goldberg Employee Co-Inv. IV L.P., LG Co-Inv. A L.P., Lindsay Goldberg V L.P., Lindsay Goldberg Maverick Co-Inv. L.P., LG Amentum Holdings GP LLC and LG Amentum Holdings LP are filing a separate Form 4. Mr. Goldberg is filing his own Form 4.