Amentum Holdings AMTM SEC Filings

NYSE AMTM
$19.88 +0.40 (+2.05%)
As of: Oct 20, 2026 · 3:59 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Amentum Holdings, Inc. (AMTM) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0002011286-26-000026Oct 2, 2026 4:19 PM
24Insider Transaction0001483410-26-000005Sep 17, 2026 1:35 AM
310-QQuarterly & Annual Report0001628280-26-055727Aug 11, 2026 4:25 PM
48-KCurrent Report0001628280-26-055294Aug 10, 2026 4:42 PM
5SCHEDULE 13GBeneficial Ownership Report0000763212-26-000027Aug 6, 2026 9:16 PM
610-QQuarterly & Annual Report0001628280-26-034156May 12, 2026 8:37 PM
78-KCurrent Report0001628280-26-033648May 11, 2026 9:05 PM
88-KCurrent Report0001628280-26-033648May 11, 2026 5:05 PM
94Insider Transaction0002011286-26-000021May 7, 2026 8:32 PM
104Insider Transaction0002011286-26-000021May 7, 2026 8:32 PM
114Insider Transaction0002011286-26-000020May 7, 2026 8:31 PM
124Insider Transaction0002011286-26-000020May 7, 2026 8:31 PM
134Insider Transaction0002011286-26-000019May 7, 2026 8:31 PM
144Insider Transaction0002011286-26-000019May 7, 2026 8:31 PM
154Insider Transaction0002011286-26-000018May 7, 2026 8:30 PM
164Insider Transaction0002011286-26-000018May 7, 2026 8:30 PM
174Insider Transaction0002011286-26-000017May 7, 2026 8:29 PM
184Insider Transaction0002011286-26-000017May 7, 2026 8:29 PM
198-KCurrent Report0002011286-26-000011Apr 28, 2026 12:01 PM
20SCHEDULE 13GBeneficial Ownership Report0000102909-26-000568Mar 26, 2026 7:25 PM
214Insider Transaction0001628280-26-015158Mar 5, 2026 9:06 PM
224Insider Transaction0001628280-26-014626Mar 4, 2026 9:12 PM
234Insider Transaction0001628280-26-009269Feb 18, 2026 10:30 PM
244Insider Transaction0001628280-26-009269Feb 18, 2026 10:30 PM
254Insider Transaction0001628280-26-009269Feb 18, 2026 10:30 PM
264Insider Transaction0001628280-26-006839Feb 10, 2026 9:11 PM
274Insider Transaction0001628280-26-006839Feb 10, 2026 9:11 PM
284Insider Transaction0001628280-26-006839Feb 10, 2026 9:11 PM
294Insider Transaction0001628280-26-006837Feb 10, 2026 9:11 PM
304Insider Transaction0001628280-26-006835Feb 10, 2026 9:10 PM
314Insider Transaction0001628280-26-006835Feb 10, 2026 9:10 PM
324Insider Transaction0001628280-26-006835Feb 10, 2026 9:10 PM
334Insider Transaction0001628280-26-006831Feb 10, 2026 9:09 PM
344Insider Transaction0001628280-26-006829Feb 10, 2026 9:09 PM
354Insider Transaction0001628280-26-006828Feb 10, 2026 9:08 PM
364Insider Transaction0001628280-26-006828Feb 10, 2026 9:08 PM
374Insider Transaction0001628280-26-006828Feb 10, 2026 9:08 PM
384Insider Transaction0001628280-26-006827Feb 10, 2026 9:07 PM
394Insider Transaction0001628280-26-006827Feb 10, 2026 9:07 PM
404Insider Transaction0001628280-26-006827Feb 10, 2026 9:07 PM
414Insider Transaction0001628280-26-006820Feb 10, 2026 9:05 PM
424Insider Transaction0001628280-26-006820Feb 10, 2026 9:05 PM
434Insider Transaction0001628280-26-006820Feb 10, 2026 9:05 PM
448-KCurrent Report0001628280-26-006679Feb 10, 2026 2:41 PM
4510-QQuarterly & Annual Report0001628280-26-006676Feb 10, 2026 2:20 PM
468-KCurrent Report0001628280-26-006491Feb 9, 2026 9:37 PM
474Insider Transaction0001628280-26-004144Jan 29, 2026 9:21 PM
484Insider Transaction0001628280-25-058378Dec 19, 2025 11:49 PM
494Insider Transaction0001628280-25-058376Dec 19, 2025 11:47 PM
504Insider Transaction0001628280-25-058374Dec 19, 2025 11:45 PM
...

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