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: 17
Latest filed: Sep 16, 2026
| Form | Count |
|---|---|
| 4 | 8 |
| 8-K | 6 |
| SCHEDULE 13G/A | 1 |
| SCHEDULE 13G | 1 |
| SCHEDULE 13D/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Sep 16, 2026 | 4 | Sep 14, 2026 | 0001193125-26-392787 | View |
| Aug 25, 2026 | 4 | Aug 24, 2026 | 0002136935-26-000004 | View |
| 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 |