<SEC-DOCUMENT>0001628280-26-006837-index.html : 20260210
<SEC-HEADER>0001628280-26-006837.hdr.sgml : 20260210
<ACCEPTANCE-DATETIME>20260210161122
ACCESSION NUMBER:		0001628280-26-006837
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20260206
FILED AS OF DATE:		20260210
DATE AS OF CHANGE:		20260210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Rowland Sandra E.
		CENTRAL INDEX KEY:			0001629360
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-42176
		FILM NUMBER:		26616071

	MAIL ADDRESS:	
		STREET 1:		C/O HARMAN INTERNATIONAL INDUSTRIES, INC
		STREET 2:		400 ATLANTIC STREET
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Amentum Holdings, Inc.
		CENTRAL INDEX KEY:			0002011286
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				990622272
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1002

	BUSINESS ADDRESS:	
		STREET 1:		4800 WESTFIELDS BOULEVARD
		STREET 2:		SUITE 400
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151
		BUSINESS PHONE:		7035790410

	MAIL ADDRESS:	
		STREET 1:		4800 WESTFIELDS BOULEVARD
		STREET 2:		SUITE 400
		CITY:			CHANTILLY
		STATE:			VA
		ZIP:			20151

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Amazon Holdco Inc.
		DATE OF NAME CHANGE:	20240208
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1770757878.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1770757878.html

Document 1 - RAW XML: wk-form4_1770757878.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>amtm-powerofattorneytoam.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: amtm-powerofattorneytoam.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>amtm-powerofattorneytoam001.jpg
<TEXT>
Document 3 - file: amtm-powerofattorneytoam001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>amtm-powerofattorneytoam002.jpg
<TEXT>
Document 4 - file: amtm-powerofattorneytoam002.jpg

</DOCUMENT>
</SEC-DOCUMENT>