HIRSCHMAN ORIN → Amtech Systems, Inc. ASYS

Stake: — Shares: — Class: Common Stock, par value $0.01 per share

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

2 filings by this filer

1 other filing in the data moat

Short Interest · settle 2026-07-15

DTC 2.39

1,049,881 shares short · +45.6% vs prior

Other 13D/G Filings on Amtech Systems, Inc.

Filed	Form	Filer	Stake	Shares
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 HIRSCHMAN ORIN

Filed	Form	Issuer	Stake	Shares
2026-06-22	SCHEDULE 13G	NYXOAH SA NYXH	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. From $49/mo.

See pricing →