secwatch.observer — SEC 8-K summary
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Issuer:     Birchtech Corp. (BCHT)
CIK:        0000728385
Form:       8-K
Filed at:   2026-03-17T23:59:59+00:00
Accession:  0001104659-26-029450
Event type: other_material
Sentiment:  positive
Materiality: 0.40
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Birchtech raises additional $1.4M via partial exercise of over-allotment option
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- On Mar 17, 2026, sold 600,000 shares at $2.40 to Lake Street Capital Markets.
- Total offering now 6.85M shares with gross proceeds of approximately $16.4M.
- Over-allotment option still allows up to 337,500 additional shares unexercised.
- Previously reported February 27, 2026 public offering of 6.25M shares at $2.40.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/728385/000110465926029450/0001104659-26-029450-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/728385/000110465926029450/tm268923d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-029450

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer