AMTECH SYSTEMS INC - ASYS

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: 20
Latest filed: Aug 06, 2026
Form Count
4 10
8-K 7
SCHEDULE 13G/A 1
SCHEDULE 13G 1
SCHEDULE 13D/A 1

Latest files

Filed Form Report period Accession SEC
Aug 06, 2026 SCHEDULE 13G/A 0001325447-26-000032 View
Aug 05, 2026 8-K Aug 05, 2026 0000720500-26-000009 View
Aug 05, 2026 8-K Aug 04, 2026 0000720500-26-000011 View
Aug 05, 2026 4 Aug 04, 2026 0001223192-26-000004 View
Aug 05, 2026 4 Aug 04, 2026 0001267540-26-000001 View
Aug 05, 2026 4 Aug 04, 2026 0002136935-26-000003 View
Jul 27, 2026 SCHEDULE 13G 0001493152-26-034783 View
Jun 03, 2026 8-K Jun 01, 2026 0000720500-26-000008 View
Jun 02, 2026 SCHEDULE 13D/A 0001104659-26-069614 View
Jun 01, 2026 4 May 28, 2026 0001104659-26-068888 View
May 29, 2026 4 May 14, 2026 0001223192-26-000003 View
May 29, 2026 4 May 19, 2026 0002136935-26-000002 View
May 07, 2026 8-K May 07, 2026 0001193125-26-211838 View
May 07, 2026 8-K May 05, 2026 0001193125-26-211962 View
Apr 30, 2026 8-K Apr 24, 2026 0001193125-26-195969 View
Mar 06, 2026 4 Mar 04, 2026 0001193125-26-096467 View
Mar 06, 2026 4 Mar 04, 2026 0001104659-26-024720 View
Mar 06, 2026 4 Mar 04, 2026 0001193125-26-096720 View
Mar 06, 2026 4 Mar 04, 2026 0001256949-26-000003 View
Mar 06, 2026 8-K Mar 04, 2026 0000720500-26-000001 View