---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-000865"
form_type: "8-K"
ticker: "ASYS"
cik: "0000720500"
company_name: "AMTECH SYSTEMS INC"
filed_at: "2023-01-18T23:59:59+00:00"
generated_at: "2026-06-20T14:21:22.264841+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Amtech Systems appoints Michael M. Ludwig to board following Jong S. Whang's retirement

## Summary
- Ludwig appointed to fill board vacancy created by former CEO/Chairman Jong S. Whang's retirement on Dec 31, 2022.
- Ludwig most recently SVP Finance and CFO of Rogers Corporation; previously held senior finance roles at FormFactor.
- Board determined Ludwig meets NASDAQ independence standards; he holds no Amtech stock ownership.
- Compensation for board service will be consistent with other independent non-employee directors.
- Whang's retirement was mutual and not due to any disagreement with the company.

## SEC filing metadata
- accession: 0000950170-23-000865
- form_type: 8-K
- ticker: ASYS
- cik: 0000720500
- company_name: AMTECH SYSTEMS INC
- filed_at: 2023-01-18T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/720500/000095017023000865/0000950170-23-000865-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/720500/000095017023000865/asys-20230113.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-000865
- JSON: https://secwatch.observer/filing/0000950170-23-000865.json
- Plain text: https://secwatch.observer/filing/0000950170-23-000865.txt

## Key facts
- Executive change
  Michael M. Ludwig was appointed as Director at AMTECH SYSTEMS INC.
  - Action: appointed
  - Role: Director
  source text: On January 13, 2023, the Board of Directors (the “Board”) of the Company appointed Michael M. Ludwig to the Board, effective that same date, to fill the vacancy created by Mr. Whang’s retirement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000095017023000865/0000950170-23-000865-index.htm
- Executive change
  Jong S. Whang retired as Chairman of the Board at AMTECH SYSTEMS INC.
  - Action: retired
  - Role: Chairman of the Board
  source text: As previously disclosed, on August 9, 2022, Amtech Systems, Inc. (the “Company”) and Mr. Jong S. Whang, the Company’s former Chief Executive Officer and Chairman of the Board of Directors, mutually decided that Mr. Whang would transition to a non-executive employment role and retire from his position as a director effective December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/720500/000095017023000865/0000950170-23-000865-index.htm

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