List of insiders holdings for Amtech Systems Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Averick Robert M Director 10% Owner | 2026-06-01 16:01:39 | 728,180 2,261,000 | 2,989,180 | Form 4 |
| 2 | PITON CAPITAL PARTNERS LLC 10% Owner | 2026-06-02 19:29:15 | 2,986,341 0 | 2,986,341 | Form 13D |
| 3 | Cornice Fiduciary Management LLC 10% Owner | 2018-11-29 12:36:52 | 1,386,312 0 | 1,386,312 | Form 3 |
| 4 | SCOTT RICHARD L 10% Owner | 2011-01-31 16:09:27 | 438,250 0 | 438,250 | Form 13D |
| 5 | MARXE AUSTIN W & GREENHOUSE DAVID M 10% Owner | 2011-01-10 14:29:07 | 386,741 0 | 386,741 | Form 13G |
| 6 | WANSEM PAUL J VAN DER Director | 2017-12-15 18:48:02 | 272,924 52,983 | 325,907 | Form 4 |
| 7 | M3C Holdings LLC 10% Owner | 2015-05-13 16:24:37 | 263,688 0 | 263,688 | Form 4 |
| 8 | GENDELL JEFFREY L 10% Owner | 2009-02-13 16:48:13 | 169,204 0 | 169,204 | Form 13G |
| 9 | DAIGLE ROBERT C Chairman & CEO | 2025-08-15 15:32:53 | 100,000 0 | 100,000 | Form 4 |
| 10 | WHANG JONG S Director | 2022-08-25 16:25:06 | 70,681 0 | 70,681 | Form 4 |
| 11 | Shechter Guy President & COO | 2026-05-29 13:39:41 | 50,000 0 | 50,000 | Form 4 |
| 12 | SABOL THOMAS B Chief Financial Officer | 2026-05-29 13:35:06 | 45,000 0 | 45,000 | Form 4 |
| 13 | GARNREITER MICHAEL Director | 2026-03-06 16:02:53 | 44,247 0 | 44,247 | Form 4 |
| 14 | LUDWIG MICHAEL M Director | 2026-03-06 17:01:37 | 38,747 0 | 38,747 | Form 4 |
| 15 | KATZ ALVIN L Director | 2004-05-05 15:44:35 | 37,000 0 | 37,000 | Form 4 |
| 16 | THAW BRUCE R Director | 2004-05-05 15:31:33 | 37,000 0 | 37,000 | Form 4 |
| 17 | Anderson Bradley Clark Chief Financial Officer | 2015-11-19 16:47:33 | 35,000 0 | 35,000 | Form 4 |
| 18 | GIBBS LISA VP and Chief Financial Officer | 2024-03-18 17:54:53 | 30,000 0 | 30,000 | Form 4 |
| 19 | Jenke Wade Michael Chief Financial Officer | 2025-03-21 18:53:27 | 25,000 0 | 25,000 | Form 4 |
| 20 | OIH LLC 10% Owner | 2015-08-27 16:11:19 | 22,917 0 | 22,917 | Form 3 |
| 21 | Hoekstra Brian L Director | 2009-11-24 19:12:32 | 21,000 0 | 21,000 | Form 4 |
| 22 | Hwang Jeong Mo Chief Technology Officer | 2012-12-11 19:54:07 | 15,000 0 | 15,000 | Form 4 |
| 23 | Pentinga Fokko President and CEO | 2018-06-01 18:42:03 | 15,000 0 | 15,000 | Form 4 |
| 24 | Jakwani Asif Y. Director | 2026-03-06 16:38:45 | 13,759 0 | 13,759 | Form 4 |
| 25 | WHANG MICHAEL Chief Executive Officer | 2022-12-05 17:58:44 | 12,000 0 | 12,000 | Form 4 |
| 26 | FIRESTONE LAWRENCE Director | 2006-03-03 20:54:40 | 11,000 0 | 11,000 | Form 4 |
| 27 | Goudena Egbert J. G. Director | 2015-11-19 16:47:05 | 6,000 0 | 6,000 | Form 4 |
| 28 | MOHAN SUKESH Director | 2022-03-04 16:33:06 | 6,000 0 | 6,000 | Form 4 |
| 29 | Giese Alfred Director | 2014-11-21 16:39:50 | 6,000 0 | 6,000 | Form 4 |
| 30 | Hahn SooKap Director | 2011-12-19 19:25:05 | 6,000 0 | 6,000 | Form 4 |
| 31 | KING ROBERT F Director | 2020-12-04 16:51:04 | 2,000 0 | 2,000 | Form 4 |
| 32 | HASS ROBERT T CFO | 2018-12-07 18:33:52 | 1,582 0 | 1,582 | Form 4 |
| 33 | Schreyer Leslie J 10% Owner | 2018-11-21 17:40:49 | 0 0 | 0 | Form 4 |
| 34 | Weaver Mark Interim CFO | 2026-05-14 14:50:04 | 0 0 | 0 | Form 3 |