---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-195969"
form_type: "8-K"
ticker: "ASYS"
cik: "0000720500"
company_name: "AMTECH SYSTEMS INC"
filed_at: "2026-04-30T23:59:59+00:00"
generated_at: "2026-05-15T01:19:37.585595+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Amtech Systems names Thomas Sabol as new CFO effective May 14, 2026

## Summary
- Thomas Sabol appointed CFO, replacing interim CFO Mark Weaver; effective May 14, 2026.
- Annual base salary of $350,000; target bonus 50% of base (60% cash, 40% restricted stock).
- Grant of 45,000 stock options vesting in three equal annual installments.
- Change-in-control severance: 12 months base salary plus full equity acceleration.
- Termination without cause severance: lump sum of 3 months base salary.

## SEC filing metadata
- accession: 0001193125-26-195969
- form_type: 8-K
- ticker: ASYS
- cik: 0000720500
- company_name: AMTECH SYSTEMS INC
- filed_at: 2026-04-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/720500/000119312526195969/0001193125-26-195969-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/720500/000119312526195969/asys-20260424.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-195969
- JSON: https://secwatch.observer/filing/0001193125-26-195969.json
- Plain text: https://secwatch.observer/filing/0001193125-26-195969.txt

## Key facts
- Executive change
  Mark Weaver departed as Interim Chief Financial Officer at AMTECH SYSTEMS INC.
  - Action: replaced
  - Role: Interim Chief Financial Officer
  source text: Mr. Sabol will replace Mr. Mark Weaver, who was serving as Interim Chief Financial Officer until the Company hire a permanent Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000119312526195969/0001193125-26-195969-index.htm
- Executive change
  Thomas Sabol was appointed as Chief Financial Officer at AMTECH SYSTEMS INC.
  - Action: appointed
  - Role: Chief Financial Officer
  source text: On April 24, 2026, the Board of Directors of Amtech Systems, Inc. (the “Company”) approved the appointment of Mr. Thomas Sabol as the Company’s Chief Financial Officer, effective May 14, 2026
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000119312526195969/0001193125-26-195969-index.htm

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