---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-070049"
form_type: "8-K"
ticker: "ASYS"
cik: "0000720500"
company_name: "AMTECH SYSTEMS INC"
filed_at: "2023-12-13T23:59:59+00:00"
generated_at: "2026-06-07T13:46:41.674689+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Amtech Q4 rev $27.7M, orders $18.2M, 0.7 book-to-bill; covenant breach, impairment expected

## Summary
- Net revenue $27.7M in Q4 fiscal 2023, down 10% sequentially and 14% YoY.
- Customer orders $18.2M; full-year orders $103.9M with 0.9 book-to-bill.
- Anticipates impairment charge in Material and Substrate segment; finalizing audit procedures.
- Loan covenant non-compliance; entered Forbearance Agreement with UMB Bank through Jan 17, 2025.
- Exiting legacy PR Hoffman equipment business; reducing workforce to cut $4M in annual costs.

## SEC filing metadata
- accession: 0000950170-23-070049
- form_type: 8-K
- ticker: ASYS
- cik: 0000720500
- company_name: AMTECH SYSTEMS INC
- filed_at: 2023-12-13T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/720500/000095017023070049/0000950170-23-070049-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/720500/000095017023070049/asys-20231213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-070049
- JSON: https://secwatch.observer/filing/0000950170-23-070049.json
- Plain text: https://secwatch.observer/filing/0000950170-23-070049.txt

## Key facts
- Earnings Releases
  AMTECH SYSTEMS INC reported the first fiscal quarter ending December 31, 2023 results: revenue revenues in the range of $21 - $24 million. Guidance initiated.
  - Period: the first fiscal quarter ending December 31, 2023
  - Revenue: revenues in the range of $21 - $24 million
  - Guidance: initiated
  - Result: guidance update
  source text: For the first fiscal quarter ending December 31, 2023, we expect revenues in the range of $21 - $24 million with EBITDA nominally negative.
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000095017023070049/0000950170-23-070049-index.htm
- Earnings Releases
  AMTECH SYSTEMS INC reported Fourth Quarter Fiscal 2023 results: revenue Net revenue of $27.7 million.
  - Period: Fourth Quarter Fiscal 2023
  - Revenue: Net revenue of $27.7 million
  - Result: preliminary results
  source text: Fourth Quarter Fiscal 2023 Business Update • Net revenue of $27.7 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000095017023070049/0000950170-23-070049-index.htm
- Earnings Releases
  AMTECH SYSTEMS INC reported Fiscal 2023 results: revenue Net revenue of $113.3 million.
  - Period: Fiscal 2023
  - Revenue: Net revenue of $113.3 million
  - Result: preliminary results
  source text: Fiscal 2023 Business Update • Net revenue of $113.3 million
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000095017023070049/0000950170-23-070049-index.htm
- Earnings Releases
  AMTECH SYSTEMS INC reported preliminary financial results for the fourth quarter and full year fiscal 2023.
  - Period: the fourth quarter and full year fiscal 2023
  - Result: preliminary results
  source text: On December 13, 2023, Amtech Systems, Inc. (the "Registrant" or the "Company") announced by press release a summary of its revenue and business status as of September 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000095017023070049/0000950170-23-070049-index.htm

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