# Amtech Systems Inc: filings

ASYS · Nasdaq · CIK 720500 · [Industrials](/sectors/industrials.md) · fiscal year ends Sep 30

Pages: [Overview](/companies/asys.md) · [Financials](/companies/asys/financials.md) · [Filings](/companies/asys/filings.md) · [Insiders](/companies/asys/insiders.md)

## Reports and events: 264 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 293, 8-K 142, 10-Q 54, SC 13G/A 37, 3 24, DEF 14A 18, 10-K 17, SC 13D/A 14, SC 13G 13, SD 13, UPLOAD 11, ARS 10, CORRESP 8, 425 7, 8-K/A 7, S-8 7, SCHEDULE 13G/A 7, 10-K/A 6, 4/A 6, EFFECT 5, 424B5 4, S-3 4, SC 13D 4, DEFA14A 2, RW 2, SCHEDULE 13D/A 2, SCHEDULE 13G 2, 424B3 1, 5 1, CT ORDER 1, DEFM14A 1, DEFR14A 1, S-3/A 1, S-3MEF 1, S-4 1, S-4/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-05 | 20:15 ET | [8-K](/filings/0000720500-26-000011.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000720500-26-000011 |
| 2026-08-05 | 20:06 ET | [10-Q](/filings/0000720500-26-000010.md) | Quarterly report, period 2026-06-30 | 0000720500-26-000010 |
| 2026-08-05 | 20:00 ET | [8-K](/filings/0000720500-26-000009.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000720500-26-000009 |
| 2026-06-03 | 20:30 ET | [8-K](/filings/0000720500-26-000008.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0000720500-26-000008 |
| 2026-06-02 | 23:29 ET | [SCHEDULE 13D/A](/filings/0001104659-26-069614.md) | Ownership report, active investor, amended | 0001104659-26-069614 |
| 2026-05-07 | 20:16 ET | [8-K](/filings/0001193125-26-211962.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-211962 |
| 2026-05-07 | 20:04 ET | [10-Q](/filings/0001193125-26-211854.md) | Quarterly report, period 2026-03-31 | 0001193125-26-211854 |
| 2026-05-07 | 20:02 ET | [8-K](/filings/0001193125-26-211838.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-211838 |
| 2026-04-30 | 17:17 ET | [8-K](/filings/0001193125-26-195969.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-195969 |
| 2026-03-06 | 16:57 ET | [8-K](/filings/0000720500-26-000001.md) | 5.07 Shareholder vote results | 0000720500-26-000001 |
| 2026-02-05 | 21:05 ET | [10-Q](/filings/0001193125-26-039360.md) | Quarterly report, period 2025-12-31 | 0001193125-26-039360 |
| 2026-02-05 | 21:02 ET | [8-K](/filings/0001193125-26-039351.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-039351 |
| 2026-01-23 | 18:16 ET | [DEF 14A](/filings/0001193125-26-020762.md) | Proxy statement, period 2026-03-04 | 0001193125-26-020762 |
| 2025-12-15 | 21:16 ET | [8-K](/filings/0001193125-25-319228.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-319228 |
| 2025-12-10 | 21:10 ET | [8-K](/filings/0001193125-25-314185.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-314185 |
| 2025-12-10 | 21:02 ET | [10-K](/filings/0001193125-25-314147.md) | Annual report, period 2025-09-30 | 0001193125-25-314147 |
| 2025-12-01 | 22:01 ET | [8-K](/filings/0001193125-25-304022.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-304022 |
| 2025-12-01 | 21:09 ET | [8-K](/filings/0001193125-25-303881.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-303881 |
| 2025-08-06 | 20:08 ET | [10-Q](/filings/0000950170-25-104002.md) | Quarterly report, period 2025-06-30 | 0000950170-25-104002 |
| 2025-08-06 | 20:07 ET | [8-K](/filings/0000950170-25-103999.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-103999 |
| 2025-05-12 | 20:03 ET | [8-K](/filings/0000950170-25-069140.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-069140 |
| 2025-05-12 | 20:02 ET | [10-Q](/filings/0000950170-25-069135.md) | Quarterly report, period 2025-03-31 | 0000950170-25-069135 |
| 2025-04-09 | 20:36 ET | [8-K](/filings/0000950170-25-052548.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-052548 |
| 2025-03-07 | 22:43 ET | [8-K](/filings/0000950170-25-034957.md) | 5.07 Shareholder vote results | 0000950170-25-034957 |
| 2025-02-18 | 21:01 ET | [SCHEDULE 13D/A](/filings/0001104659-25-014731.md) | Ownership report, active investor, amended | 0001104659-25-014731 |
| 2025-02-05 | 21:12 ET | [8-K](/filings/0000950170-25-014472.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-014472 |
| 2025-02-05 | 21:08 ET | [10-Q](/filings/0000950170-25-014465.md) | Quarterly report, period 2024-12-31 | 0000950170-25-014465 |
| 2025-01-24 | 21:11 ET | [DEF 14A](/filings/0000950170-25-008792.md) | Proxy statement, period 2025-03-05 | 0000950170-25-008792 |
| 2025-01-23 | 21:09 ET | [8-K](/filings/0000950170-25-008328.md) | 5.02 Departure or appointment of officers or directors | 0000950170-25-008328 |
| 2024-12-12 | 21:33 ET | [10-K](/filings/0000950170-24-135825.md) | Annual report, period 2024-09-30 | 0000950170-24-135825 |
| 2024-12-09 | 21:04 ET | [8-K](/filings/0000950170-24-134499.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-134499 |
| 2024-09-17 | 20:22 ET | [8-K](/filings/0000950170-24-107300.md) | 1.02 Termination of a material agreement | 0000950170-24-107300 |
| 2024-08-07 | 21:07 ET | [8-K](/filings/0000950170-24-092969.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-092969 |
| 2024-08-07 | 20:19 ET | [10-Q](/filings/0000950170-24-092822.md) | Quarterly report, period 2024-06-30 | 0000950170-24-092822 |
| 2024-05-14 | 20:01 ET | [SC 13D/A](/filings/0001104659-24-061136.md) | Ownership report, active investor, amended | 0001104659-24-061136 |
| 2024-05-08 | 20:21 ET | [10-Q](/filings/0000950170-24-055725.md) | Quarterly report, period 2024-03-31 | 0000950170-24-055725 |
| 2024-05-08 | 20:18 ET | [8-K](/filings/0000950170-24-055712.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-055712 |
| 2024-03-08 | 21:07 ET | [8-K](/filings/0000950170-24-028631.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-028631 |
| 2024-03-05 | 21:08 ET | [8-K](/filings/0000950170-24-025892.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0000950170-24-025892 |
| 2024-02-29 | 21:20 ET | [8-K](/filings/0000950170-24-023120.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-023120 |
| 2024-02-09 | 21:18 ET | [10-Q](/filings/0000950170-24-013277.md) | Quarterly report, period 2023-12-31 | 0000950170-24-013277 |
| 2024-02-09 | 21:11 ET | [8-K](/filings/0000950170-24-013261.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-013261 |
| 2024-01-19 | 22:26 ET | [DEF 14A](/filings/0000950170-24-005875.md) | Proxy statement, period 2024-03-06 | 0000950170-24-005875 |
| 2023-12-14 | 22:16 ET | [8-K](/filings/0000950170-23-070474.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-070474 |
| 2023-12-14 | 21:38 ET | [10-K](/filings/0000950170-23-070422.md) | Annual report, period 2023-09-30 | 0000950170-23-070422 |
| 2023-12-13 | 21:17 ET | [8-K](/filings/0000950170-23-070049.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-070049 |
| 2023-12-11 | 22:06 ET | [8-K](/filings/0000950170-23-069441.md) | 1.01 Entry into a material agreement | 0000950170-23-069441 |
| 2023-08-17 | 20:37 ET | [8-K/A](/filings/0000950170-23-043246.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-23-043246 |
| 2023-08-09 | 20:14 ET | [10-Q](/filings/0000950170-23-040599.md) | Quarterly report, period 2023-06-30 | 0000950170-23-040599 |
| 2023-08-09 | 20:09 ET | [8-K](/filings/0000950170-23-040579.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-23-040579 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 14:56 ET. No prices; not investment advice.