ASYS - CIK 0000720500
AMTECH SYSTEMS INC has filed 957 documents with the SEC between 1995 and 2026. The most frequent type is insider trade (331 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| 424B3 | - | 2014-12-23 | - |
| EFFECT | - | 2014-12-22 | - |
| S-4/A | - | 2014-12-19 | - |
| Insider trade | 4 | 2014-12-18 | 2014-12-16 |
| Annual report (amended) | 10-K/A | 2014-12-09 | 2014-09-30 |
| Insider trade | 4 | 2014-12-01 | 2014-11-26 |
| S-4 | - | 2014-11-24 | - |
| 425 | - | 2014-11-24 | - |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| 425 | - | 2014-11-21 | - |
| Major company event | 8-K | 2014-11-21 | 2014-11-18 |
| Insider trade | 4 | 2014-11-21 | 2014-11-19 |
| Major company event | 8-K | 2014-11-21 | 2014-11-20 |
| Annual report | 10-K | 2014-11-20 | 2014-09-30 |
| 425 | - | 2014-10-23 | - |
| 425 | - | 2014-10-23 | - |
| Major company event | 8-K | 2014-10-23 | 2014-10-21 |
| Insider trade | 4 | 2014-10-07 | 2014-10-06 |
| SEC correspondence | UPLOAD | 2014-09-02 | - |
| Company correspondence | CORRESP | 2014-08-29 | - |
| SEC correspondence | UPLOAD | 2014-08-18 | - |
| Insider trade | 4 | 2014-08-08 | 2014-08-06 |
| Quarterly report | 10-Q | 2014-08-07 | 2014-06-30 |
| Employee stock plan | S-8 | 2014-06-20 | - |
| Employee stock plan | S-8 | 2014-06-20 | - |
| SD | - | 2014-06-02 | - |
| Insider trade | 4 | 2014-05-22 | 2014-05-20 |
| Major company event | 8-K | 2014-05-14 | 2014-05-08 |
| Quarterly report | 10-Q | 2014-05-07 | 2014-03-31 |
| Annual report to shareholders | ARS | 2014-04-02 | 2013-09-30 |
| Proxy statement | DEF 14A | 2014-03-28 | 2014-05-08 |
| Insider trade | 4 | 2014-03-14 | 2014-03-14 |
| Insider trade | 4 | 2014-03-07 | 2014-03-06 |
| Insider trade | 4 | 2014-03-07 | 2014-03-05 |
| Insider trade | 4 | 2014-03-07 | 2014-03-05 |
| Insider trade | 4 | 2014-03-04 | 2014-03-03 |
| Insider trade | 4 | 2014-03-04 | 2014-03-03 |
| Insider trade | 4 | 2014-03-04 | 2014-02-28 |
| Insider trade | 4 | 2014-02-28 | 2014-02-28 |
| Insider trade | 4 | 2014-02-28 | 2014-02-28 |
| Insider trade | 4 | 2014-02-21 | 2014-02-19 |
| Insider trade | 4 | 2014-02-20 | 2014-02-18 |
| Insider trade (amended) | 4/A | 2014-02-13 | 2014-02-11 |
| Insider trade | 4 | 2014-02-13 | 2014-02-11 |
| Quarterly report | 10-Q | 2014-02-06 | 2013-12-31 |