Amentum Holdings, Inc. - AMTM

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 12
Latest filed: Aug 10, 2026
Form Count
4 7
8-K 3
SCHEDULE 13G 1
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Aug 10, 2026 8-K Aug 10, 2026 0001628280-26-055294 View
Aug 06, 2026 SCHEDULE 13G 0000763212-26-000027 View
May 11, 2026 8-K May 11, 2026 0001628280-26-033648 View
May 07, 2026 4 May 06, 2026 0002011286-26-000017 View
May 07, 2026 4 May 06, 2026 0002011286-26-000018 View
May 07, 2026 4 May 06, 2026 0002011286-26-000019 View
May 07, 2026 4 May 06, 2026 0002011286-26-000020 View
May 07, 2026 4 May 06, 2026 0002011286-26-000021 View
Apr 28, 2026 8-K Apr 24, 2026 0002011286-26-000011 View
Mar 26, 2026 SCHEDULE 13G/A 0000102909-26-000568 View
Mar 05, 2026 4 Mar 04, 2026 0001628280-26-015158 View
Mar 04, 2026 4 Mar 02, 2026 0001628280-26-014626 View