---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-303881"
form_type: "8-K"
ticker: "ASYS"
cik: "0000720500"
company_name: "AMTECH SYSTEMS INC"
filed_at: "2025-12-01T23:59:59+00:00"
generated_at: "2026-05-16T15:57:19.832830+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Amtech Q4 revenue $19.8M, EBITDA $2.6M (13% rev), above guidance; FY rev $79.4M

## Summary
- Q4 net revenue $19.8M, above top end of guidance; adjusted EBITDA $2.6M (13% of rev), above guidance.
- Full year net revenue $79.4M; adjusted EBITDA $5.4M.
- Cash balance $17.9M at Sep 30, 2025, up $2.3M QoQ and $6.8M YoY.
- CEO cites continued strong demand for equipment used in AI semiconductor packaging.
- Results are preliminary and unaudited.

## SEC filing metadata
- accession: 0001193125-25-303881
- form_type: 8-K
- ticker: ASYS
- cik: 0000720500
- company_name: AMTECH SYSTEMS INC
- filed_at: 2025-12-01T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/720500/000119312525303881/0001193125-25-303881-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/720500/000119312525303881/asys-20251201.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-303881
- JSON: https://secwatch.observer/filing/0001193125-25-303881.json
- Plain text: https://secwatch.observer/filing/0001193125-25-303881.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.