BCHTD · Birchtech Corp.

The filing details multiple executive changes at Birchtech Corp. effective May 1, 2026. CFO Fiona Fitzmaurice departed by company notice, with no disagreement cited. Michael Mioska, a CPA with over 20 years of experience who had been consulting for Birchtech since 2023, was appointed CFO. His compensation terms are not yet finalized, but the company expects to use a third-party employer of record. James Trettel was promoted from EVP of Operations to COO, and his employment agreement was amended to extend the initial term to May 31, 2030, with a $250,000 retention bonus. CEO Richard MacPherson's agreement was also amended to extend his term to May 31, 2030, with a $500,000 retention bonus. Both retention bonuses are subject to repayment on a pro-rata basis if the executive voluntarily terminates or is terminated for cause before May 31, 2030. These changes signal the company's focus on retaining key leadership through a multi-year horizon, with significant cash incentives tied to continued service.