SEC Form 4 · accession 0001267540-26-000001
AMTECH SYSTEMS INC · ASYS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Robert C Daigle
Officer — Chairman & CEO · Director
Period of report
Aug 4, 2026
Accepted (ET)
Aug 5, 2026 · 4:18 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000720500
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF1,F2 | — | Aug 4, 2026 | A | 50,000 | A | — | — | Amtech Systems, Inc. $0.01 par value common stock | 50,000 | 50,000 | D |
Explanation of responses
- F1Each restricted stock unit represents a contingent right to receive one share of Common Stock of Amtech Systems, Inc.
- F2Fifty percent (50%) of the restricted stock units shall vest on each of the first two anniversaries of the grant date.