$BCHT SEC Filings

Filed On	Filing
05 Oct 2026	SCHEDULE 13G
13 Aug 2026	FORM 10-Q
28 Jul 2026	8-K: Material Modification to Rights of Security Holders; Amendments to Articles/Bylaws; Change in Fiscal Year +1 more
24 Jun 2026	ARS
24 Jun 2026	Proxy statement: annual meeting on July 23, 2026 say-on-pay vote
08 Jun 2026	PRE 14A
13 May 2026	FORM 10-Q
12 May 2026	8-K/A: Departure/Election of Directors or Officers; Compensation As previously reported in the Current Report on Form 8-K filed by Birchtech Corp. (the “Company”) on May 6, 2026 (the “Original Form 8-K”), the Company appointed Michael Mioska as its Chief Financial Officer effective May 1, 2026. The Co...
06 May 2026	Form 3: Mioska Michael David, Chief Financial Officer No securities owned
06 May 2026	8-K: Departure/Election of Directors or Officers; Compensation
13 Apr 2026	8-K: Shareholder Director Nominations; Other Events
31 Mar 2026	FORM 10-K
17 Mar 2026	8-K: Other Events
02 Mar 2026	Form 4: MacPherson Richard, Director Bought 312,500 shares ($750K)
27 Feb 2026	424B4
27 Feb 2026	8-K: Entry into a Material Definitive Agreement; Other Events
25 Feb 2026	NYSE AMERICAN CERTIFICATION
17 Feb 2026	EFFECT
12 Feb 2026	CORRESP
12 Feb 2026	CORRESP

Comments