Michael Garnreiter

Michael Garnreiter: Director at Amtech Systems. What Michael Garnreiter holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

Amtech Systems (ASYS)

Michael Garnreiter holds 38,569 Amtech Systems shares (0.22% of the company), worth about $612,090.03 at the last price, according to the Form 4 of Mar 5, 2026.

• Shares held: 38,569 (0.22%), $612,090.03 — Held in their own name.
• Share units: 2,839 (0.02%), $45,054.93 — Amtech Systems promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• Amtech Systems (ASYS) — Form 4 of Mar 5, 2026: option exercise or conversion of 8,081; 38,569 shares after 0001193125-26-096467
• Amtech Systems (ASYS) — Form 4 of Mar 6, 2025: option exercise or conversion of 8,299; 30,488 shares after 0000950170-25-035589

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

All holders · Who owns each AI company · All tracked companies · The AI market