SCHEDULE 13G Filed 2026-10-09 Event — SEC 0000814133-26-000112 →

WASATCH ADVISORS LP → Amtech Systems Inc ASYS

Stake: — Shares: — CUSIP: 032332504 Class: Common Stock SH

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

10 filings by this filer

9 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 5.59

1,575,299 shares short · -0.9% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $855K

Point72 Asset Mgmt

Other 13D/G Filings on Amtech Systems Inc

Filed	Form	Filer	Stake	Shares
2026-07-27	SCHEDULE 13G	HIRSCHMAN ORIN	—	—	view →
2026-06-02	SCHEDULE 13D/A	PITON CAPITAL PARTNERS LLC	20.60%	600,000	view →
2025-02-18	SCHEDULE	PITON CAPITAL PARTNERS LLC	20.20%	2,894,588	view →
2022-02-24	SC	PITON CAPITAL PARTNERS LLC	—	—	view →
2020-01-30	SC	Privet Fund LP	—	—	view →
2018-07-17	SC	Schreyer Leslie J	—	—	view →
2018-01-03	SC	ROYCE & ASSOCIATES LP	—	—	view →

Other Filings by WASATCH ADVISORS LP

Filed	Form	Issuer	Stake	Shares
2026-10-09	SCHEDULE 13G	PDF Solutions Inc	—	—	view →
2026-10-09	SCHEDULE 13G	Global-e Online Ltd	—	—	view →
2026-10-09	SCHEDULE 13G	Mesa Laboratories Inc	—	—	view →
2026-10-09	SCHEDULE 13G	Black Rock Coffee Bar Inc	—	—	view →
2026-10-09	SCHEDULE 13G	ICF International Inc	—	—	view →
2026-10-09	SCHEDULE 13G	ICF International Inc	—	—	view →
2026-10-09	SCHEDULE 13G	Orion Group Holdings Inc	—	—	view →
2026-07-09	SCHEDULE 13G	Casella Waste Systems Inc CWST	—	—	view →
2026-07-07	SCHEDULE 13G	Champion Homes Inc SKY	—	—	view →

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