Lindsay Goldberg Employee Co-Inv. IV L.P. - 17 Dec 2024 Form 3 Insider Report for Amentum Holdings, Inc. (AMTM)

Role: 10%+ Owner
Signature: Lindsay Goldberg Employee Co-Inv. IV L.P. By: Lindsay Goldberg GP IV LLC, its General Partner /s/ James C. Pickel, Jr., Vice President
Issuer symbol: AMTM
Transactions as of: 17 Dec 2024
Net transactions value: $0
Form type: 3
Filing time: 27 Dec 2024, 16:30:25 UTC
Next filing: 12 May 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	[AMTM	Common Stock						43,893,904	17 Dec 2024	See Footnotes	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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").
F2	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.

Content

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").

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.

Remarks:

Due to limitations of the electronic filing system, Goldberg 2014 LLC, Goldberg 2020 LLC, LG GP Holding IV LLC, LG GP Holding V LLC, Lindsay Goldberg GP IV LLC, Lindsay Goldberg GP V LLC, Lindsay Goldberg IV L.P., Lindsay Goldberg IV - A L.P., Lindsay Goldberg IV - PCF L.P. and Lindsay Goldberg Co-Inv. IV L.P. are filing a separate Form 3. Mr. Goldberg is filing a separate Form 4.