Company: BCHT
Filing Date: 2025-03-31
Form Type: 10-K
Source: 0001477932-25-002237
Chunk: 1631

Company: Birchtech Corp.
Filing Date: 2025-03-31
Form: 10-K
Item: Item 9A
Chunk 1631
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 of Title 18 of the United States Code ☒     101.INS Inline XBRL Instance Document       101.SCH Inline XBRL Taxonomy Extension Schema Document       101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document       101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document       101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document       101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document       104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)       

Item 16. Form 10-K Summary.

None.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

 BIRCHTECH CORP.    Date: March 31, 2025By:/s/ Richard MacPherson  Richard MacPherson   President and Chief Executive Officer  

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacity and on the dates indicated.

Signature Title Date     /s/ Richard MacPherson President, Chief Executive Officer March 31, 2025Richard MacPherson and Director (Principal Executive Officer)    /s/ Fiona Fitzmaurice Chief Financial Officer  March 31, 2025Fiona Fitzmaurice (Principal Financial Officer and Principal Accounting Officer)       /s/ Christopher Greenberg Chairman of the Board and Director March 31, 2025Christopher Greenberg       /s/ David M. Kaye Director March 31, 2025David M. Kaye       /s/ Troy Grant Director March 31, 2025Troy Grant         /s/ Mitzi H. Coogler Director March 31, 2025Mitzi H. Coogler    

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