| Filed On | Filing |
|---|---|
| 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... |
| 27 Jun 2013 | 8-K/A: Regulation FD Disclosure |
| 20 Jan 2012 | 8-K/A: Entry into a Material Definitive Agreement; Termination of a Material Definitive Agreement +4 more |
| 05 Oct 2011 | 8-K/A: Entry into a Material Definitive Agreement; Termination of a Material Definitive Agreement +4 more |
| 10 Aug 2011 | 8-K/A: Departure/Election of Directors or Officers; Compensation; Regulation FD Disclosure |
| 03 May 2005 | 8-K/A: Departure/Election of Directors or Officers; Compensation |
| 03 Jan 2005 | 8-K/A: Changes in Control of Registrant; Departure/Election of Directors or Officers; Compensation +1 more |
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