PITON CAPITAL PARTNERS LLC → AMTECH SYSTEMS INC ASYS

Stake: 20.20% Shares: 2,894,588 CUSIP: 032332504 Class: Common Stock, $0.01 Par Value 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

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-03-31

DTC 1.45

284,641 shares short · -13.4% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $855K

Point72 Asset Mgmt

Post-Filing Returns · since 2025-02-13 on ASYS

+1 day

+19.2%

+5 days

+14.7%

+30 days

+0.8%

+60 days

-23.3%

+90 days

-29.0%

+180 days

-5.5%

Anchor price 4.90 on closest trading day on/after 2025-02-13. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on AMTECH SYSTEMS INC

Filed	Form	Filer	Stake	Shares
2018-01-03	SC	ROYCE & ASSOCIATES LP	—	—	view →

Other Filings by PITON CAPITAL PARTNERS LLC

Filed	Form	Issuer	Stake	Shares
2018-04-25	SC	GULF ISLAND FABRICATION INC	—	—	view →
2018-04-06	SC	GULF ISLAND FABRICATION INC	—	—	view →

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