Amentum Holdings, Inc.

Symbol: AMTM on NYSE
Entity: Company
Industry: Services Business Services, Nec (Office Of Trade & Services)
Business address: 4800 Westfields Boulevard, Suite 400, 20151 Chantilly, VA
Phone: 7035790410
State of incorporation: DE
Fiscal year end: October 3
Category: Non-accelerated filer
Former names: Amazon Holdco Inc. (to 9/18/2024)
All SEC filings: View on sec.gov

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Amentum Holdings, Inc. has filed 135 SEC EDGAR filings since 3/7/2024

Latest Filings

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open Document	Open Filing		May 12, 2025	May 8, 2025
4	Open Document	Open Filing		May 12, 2025	May 8, 2025
4	Open Document	Open Filing		May 12, 2025	May 8, 2025
4	Open Document	Open Filing		May 12, 2025	May 8, 2025
SCHEDULE 13G/A	Open Document	Open Filing		May 9, 2025		005-94638
10-Q	Open Document \| Data	Open Filing	FORM 10-Q	May 7, 2025	Mar 28, 2025	001-42176
8-K	Open Document \| Data	Open Filing	FORM 8-K	May 6, 2025	May 6, 2025	001-42176
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing	FORM 4	Apr 10, 2025	Apr 8, 2025
4	Open Document	Open Filing		Apr 8, 2025	Apr 7, 2025
4	Open Document	Open Filing	FORM 4	Mar 19, 2025	Mar 17, 2025
4	Open Document	Open Filing	4	Mar 17, 2025	Mar 13, 2025
SCHEDULE 13G/A	Open Document	Open Filing		Mar 13, 2025		005-94638
424B4	Open Document	Open Filing	424B4	Mar 12, 2025		333-285663
EFFECT	Open Document	Open Filing		Mar 11, 2025		333-285663
CORRESP	Open Document	Open Filing		Mar 10, 2025
CORRESP	Open Document	Open Filing		Mar 10, 2025
S-1	Open Document	Open Filing	S-1	Mar 10, 2025		333-285663
8-K	Open Document \| Data	Open Filing	FORM 8-K	Mar 7, 2025	Mar 7, 2025	001-42176
4	Open Document	Open Filing	FORM 4	Mar 7, 2025	Mar 5, 2025
4	Open Document	Open Filing	FORM 4	Mar 7, 2025	Mar 5, 2025
8-K	Open Document \| Data	Open Filing	FORM 8-K	Mar 7, 2025	Mar 7, 2025	001-42176
4	Open Document	Open Filing	FORM 4	Mar 7, 2025	Mar 5, 2025
4	Open Document	Open Filing	FORM 4	Mar 7, 2025	Mar 5, 2025
4	Open Document	Open Filing	FORM 4	Mar 7, 2025	Mar 5, 2025
8-K	Open Document \| Data	Open Filing	FORM 8-K	Mar 7, 2025	Mar 5, 2025	001-42176
4	Open Document	Open Filing	FORM 4	Mar 5, 2025	Mar 3, 2025
3	Open Document	Open Filing	FORM 3	Feb 24, 2025	Feb 17, 2025
4	Open Document	Open Filing	FORM 4	Feb 20, 2025	Feb 18, 2025
4	Open Document	Open Filing	FORM 4	Feb 14, 2025	Feb 12, 2025
SCHEDULE 13G	Open Document	Open Filing		Feb 7, 2025		005-94638
SCHEDULE 13G/A	Open Document	Open Filing		Feb 5, 2025		005-94638
10-Q	Open Document \| Data	Open Filing	FORM 10-Q	Feb 5, 2025	Dec 27, 2024	001-42176
8-K	Open Document \| Data	Open Filing	FORM 8-K	Feb 4, 2025	Feb 4, 2025	001-42176
SCHEDULE 13G/A	Open Document	Open Filing		Jan 30, 2025		005-94638
4	Open Document	Open Filing	FORM 4	Jan 30, 2025	Jan 28, 2025
8-K	Open Document \| Data	Open Filing	FORM 8-K	Jan 30, 2025	Jan 28, 2025	001-42176
UPLOAD	Open Document	Open Filing		Jan 24, 2025		377-07687
DRS	Open Document	Open Filing		Jan 22, 2025		377-07687
ARS	Open Document	Open Filing	ARS	Jan 21, 2025	Sep 27, 2024	001-42176
DEFA14A	Open Document	Open Filing	DEFA14A	Jan 21, 2025		001-42176
DEF 14A	Open Document \| Data	Open Filing	DEF 14A	Jan 21, 2025	Mar 5, 2025	001-42176
3/A	Open Document	Open Filing		Dec 30, 2024	Dec 17, 2024
3	Open Document	Open Filing		Dec 27, 2024	Dec 17, 2024
4	Open Document	Open Filing		Dec 27, 2024	Dec 17, 2024

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