secwatch.observer — SEC 8-K summary
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Issuer:     Birchtech Corp. (BCHT)
CIK:        0000728385
Form:       8-K
Filed at:   2025-06-20T23:59:59+00:00
Accession:  0001477932-25-004727
Event type: leadership
Sentiment:  neutral
Materiality: 0.50
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Birchtech Corp. Chairman Christopher Greenberg resigns; CEO MacPherson appointed interim Chairman
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- Christopher Greenberg resigns as director and Chairman of the Board effective July 1, 2025, to focus on other business pursuits.
- Resignation not due to any disagreement with the Company on operations, policies or procedures.
- Richard MacPherson, President and CEO, appointed interim Chairman effective July 1, 2025; Board will not fill the vacancy at this time.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/728385/000147793225004727/0001477932-25-004727-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/728385/000147793225004727/meec_8k.htm
  HTML page:      https://secwatch.observer/filing/0001477932-25-004727

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