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AMTECH SYS INC (ASYS)

Institutional ownership, SEC filings and insider activity

Sector: Technology · SEC CIK 0000720500 · EDGAR filings · Updated 2026-07-27

AMTECH SYS INC (ASYS) has reported institutional ownership of 51.5%, with 79 institutional managers holding positions valued at $87.1M per the latest 13F reporting period. SEC filings include an active notice of delisting or failure to satisfy a continued listing rule (8-K Item 3.01).

Filings this week (1)

• 2026-07-27 — SCHEDULE 13G filed

Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.

Latest updates

• 2026-06-03 — Current report (8-K) filed
• 2026-06-03 — Prospectus supplement (424B5) filed
• 2026-06-02 — SCHEDULE 13D/A filed
• 2026-06-01 — S-3MEF filed
• 2026-06-01 — Prospectus supplement (424B5) filed

Institutional ownership overview

According to SEC 13F filings tracked by Sightfile, AMTECH SYS INC has 79 institutional holders and institutional ownership of 51.5%.

Insider activity

Insiders reported 13 transactions (5 buys, 0 sells) across 5 reporting insiders, with a net reported value of $263.1K.

Data flags from SEC filings

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