Amentum Holdings, Inc. reports

Company location: Chantilly, VA
Fiscal year end: 02 October

Amentum Holdings, Inc. has filed 192 SEC EDGAR filings since 07 Mar 2024

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SEC filing history

Showing 1-25 of 192 matching filings.

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1

10-Q File 001-42176

FORM 10-Q

Filing date: 11 Aug 2026
Reporting date: 03 Jul 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-42176

FORM 8-K

Filing date: 10 Aug 2026
Reporting date: 10 Aug 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G File 005-94638

SCHEDULE 13G filing

Filing date: 06 Aug 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-42176

FORM 10-Q

Filing date: 12 May 2026
Reporting date: 03 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-42176

FORM 8-K

Filing date: 11 May 2026
Reporting date: 11 May 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 07 May 2026
Reporting date: 06 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 May 2026
Reporting date: 06 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 May 2026
Reporting date: 06 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 May 2026
Reporting date: 06 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 07 May 2026
Reporting date: 06 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

SCHEDULE 13G/A File 005-94638

SCHEDULE 13G/A filing

Filing date: 07 May 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-42176

FORM 8-K

Filing date: 28 Apr 2026
Reporting date: 24 Apr 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SCHEDULE 13G/A File 005-94638

SCHEDULE 13G/A filing

Filing date: 26 Mar 2026
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 05 Mar 2026
Reporting date: 04 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 04 Mar 2026
Reporting date: 02 Mar 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 18 Feb 2026
Reporting date: 17 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A

FORM 4/A

Filing date: 10 Feb 2026
Reporting date: 06 Nov 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-42176

FORM 8-K

Filing date: 10 Feb 2026
Reporting date: 06 Feb 2026
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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