SC Filed 2018-01-03 Event — SEC 0000906304-18-000002 →

ROYCE & ASSOCIATES LP → AMTECH SYSTEMS INC ASYS

Stake: — Shares: —

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

7 13D/G filings on this issuer

6 other filings besides this one

Filer Track Record

12 filings by this filer

11 other filings in the data moat

Short Interest · settle 2026-08-14

DTC 3.62

1,255,453 shares short · +4.1% vs prior

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 →

Other Filings by ROYCE & ASSOCIATES LP

Filed	Form	Issuer	Stake	Shares
2026-07-22	SCHEDULE 13G	Westport Fuel Systems Inc.	—	—	view →
2026-07-22	SCHEDULE 13G	Inseego Corp	—	—	view →
2026-07-22	SCHEDULE 13G	LSI Industries Inc.	—	—	view →
2026-07-22	SCHEDULE 13G	OptimizeRx Corp	—	—	view →
2026-07-22	SCHEDULE 13G	Ranger Energy Services, Inc.	—	—	view →
2026-07-21	SCHEDULE 13G	CPI Aerostructures, Inc.	—	—	view →
2026-07-21	SCHEDULE 13G/A	Apyx Medical Corporation	—	—	view →
2018-01-03	SC	LAYNE CHRISTENSEN CO	—	—	view →
2018-01-03	SC	Lipocine Inc. LPCN	—	—	view →
2018-01-03	SC	CSS INDUSTRIES INC	—	—	view →
2018-01-03	SC	SYNALLOY CORP ACNT	—	—	view →

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