secwatch.observer — SEC 8-K summary
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Issuer:     Birchtech Corp. (BCHT)
CIK:        0000728385
Form:       8-K
Filed at:   2026-02-27T23:59:59+00:00
Accession:  0001104659-26-021534
Event type: other_material
Sentiment:  neutral
Materiality: 0.60
Item codes: 1.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Birchtech prices $15M public offering of 6.25M shares at $2.40; uplists to NYSE American
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- Gross proceeds of $15M from 6.25M shares at $2.40; net proceeds ~$13.1M (or $15.2M if overallotment exercised).
- CEO Richard MacPherson purchased $750k of shares (312.5k shares) in offering.
- Shares approved for NYSE American listing, trading begins Feb 26 under symbol BCHT; previously on OTCQB.
- 90-day lock-up on insiders; proceeds for operating expenses, working capital, general corporate purposes.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/728385/000110465926021534/0001104659-26-021534-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/728385/000110465926021534/tm267456d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-021534

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