amtm-20250307

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): March 7, 2025

Amentum Holdings, Inc.

(Exact name of registrant as specified in its charter)


Delaware	001-42176	99-0622272
(State or other jurisdiction of incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

4800 Westfields Blvd., Suite #400

Chantilly, Virginia 20151

(703) 579-0410

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Check the appropriate box below if the Form 8-K is intended to simultaneously satisfy the filing obligation of the

Registrant under any of the following provisions:


	☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
	☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
	☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
	☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	AMTM	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the

Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2

of this chapter).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended

transition period for complying with any new or revised financial accounting standards provided pursuant to Section

13(a) of the Exchange Act. ☐

Amentum Holdings, Inc. (the “Amentum”) is filing this Current Report on Form 8-K to provide the Unaudited Pro

Forma Condensed Consolidated Statement of Operations for the year ended September 27, 2024 for the purpose of

incorporating this Current Report on Form 8-K by reference into subsequent registration statements.

Item 9.01. Financial Statements and Exhibits.


(b) Pro Forma Financial Information

	1.	Amentum Holdings, Inc. Unaudited Pro Forma Condensed Combined Statement of Operations for the year ended September 27, 2024 and related notes thereto are filed as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.



(d) Exhibits


Exhibit No.		Description
99.1		Unaudited Pro Forma Condensed Combined Statement of Operations of Amentum Holdings, Inc. for the year ended September 27, 2024
104		The cover page from this Current Report on Form 8-K, formatted in Inline XBRL

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this

report to be signed on its behalf by the undersigned hereunto duly authorized.