Form4insider filings, from the source

Company · CIK 0000720500 · SIC 3559 — Special Industry Machinery, NEC · Nasdaq

AMTECH SYSTEMS INC · ASYS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $78k · 2sales $0 · 0net $78k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 14, 2026 PForm 4 →Sep 16, 12:19 pm EDTThomas B SabolChief Financial Officer2,000$14.14$28,2702,000—
Aug 24, 2026 PForm 4 →Aug 25, 6:13 pm EDTGuy ShechterPresident & CEO3,450$14.34$49,45653,450+6.90%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 4, 2026 AForm 4 →Aug 5, 4:19 pm EDTThomas B SabolChief Financial Officer15,000——15,000—
Aug 4, 2026 AForm 4 →Aug 5, 4:19 pm EDTGuy ShechterPresident & COO25,000——25,000—
Aug 4, 2026 AForm 4 →Aug 5, 4:18 pm EDTRobert C DaigleChairman & CEO, Director50,000——50,000—