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Birchtech Corp. — Investor Relations & Filings

Ticker · BCHT ISIN · US59833H2004 LEI · 5299002L7VCQITU0A113 TSX Manufacturing
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Filings indexed 140 across all filing types
Latest filing 2026-05-13 Board/Management Inform…
Country US United States of America
Listing TSX BCHT

About Birchtech Corp.

https://www.birchtech.com/

Birchtech Corp. is an environmental technology firm specializing in advanced air and water purification solutions, leveraging proprietary and patented specialty activated carbon and sorbent technologies. The company's core business involves providing patented SEA® sorbents for mercury emissions capture, primarily serving the coal-fired utility sector. Expanding its expertise, Birchtech is also developing disruptive water purification technologies focused on contaminant removal, particularly "forever chemicals" such as PFAS and PFOS. Birchtech emphasizes delivering highly efficient, affordable, and sustainable solutions, backed by a strong intellectual property portfolio and deep industry experience in activated carbon technologies.

Recent filings

Filing Released Lang Actions
Material change report (amended) - English.pdf
Board/Management Information Classification · 90% confidence The document is an SEC Form 8-K/A (amendment) reporting the appointment and compensation terms of the new Chief Financial Officer (Item 5.02: Departure/Election/Appointment of certain officers). This clearly constitutes a senior management change announcement. According to our taxonomy, such filings fall under Board/Management Information (MANG).
2026-05-13 English
Material change report (amended) - English.pdf
Board/Management Information Classification · 85% confidence The document is an amended Form 8-K (Current Report) filed under Item 5.02, announcing the appointment of a new Chief Financial Officer and detailing his compensation arrangements. This clearly falls under announcements of changes in senior management rather than a full financial report or other category.
2026-05-13 English
Material change report (amended) - English.pdf
Board/Management Information Classification · 85% confidence The document is an SEC Form 8-K/A (Current Report) under Item 5.02, announcing the appointment of a new Chief Financial Officer and detailing his compensation arrangements. It is a direct announcement of changes in senior management. According to the classification definitions, announcements of changes in the company’s board or senior management fall under Board/Management Information (MANG).
2026-05-13 English
Material change report (amended) - English.pdf
Board/Management Information Classification · 90% confidence The document is a Form 8-K/A current report filed with the SEC under Item 5.02 relating to the departure and appointment of a senior officer (the Chief Financial Officer) and details of his compensation arrangements. This is a management change announcement rather than a full financial report or other filing type. Therefore, it should be classified under Board/Management Information (MANG).
2026-05-13 English
Material change report (amended) - English.pdf
Board/Management Information Classification · 93% confidence The document is a Form 8-K/A filing with the SEC reporting Item 5.02 – changes in officers, specifically the appointment and compensation arrangements for the new CFO. This is a direct announcement of a senior management change, which corresponds to the Board/Management Information category.
2026-05-13 English
Material change report (amended) - English.pdf
Board/Management Information Classification · 95% confidence The document is a Form 8-K/A filed under the Securities Exchange Act, specifically reporting Item 5.02 regarding the appointment of a new Chief Financial Officer and detailing his compensation arrangements. This is an announcement of changes in senior management. According to the classification definitions, this falls under Board/Management Information (MANG).
2026-05-13 English

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