{"version":"company-facts.v1","source":"https://secwatch.observer","generated_at":"2026-07-11T04:25:25.969151+00:00","company":{"ticker":"BCHT","cik":728385,"company_name":"Birchtech Corp."},"pagination":{"limit":100,"returned":32,"next_cursor":null},"license":"Source filings: public domain (SEC EDGAR). 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(the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with Lake Street Capital Markets, LLC, as representative of the several underwriters named therein (collectively, the “Underwriters”), relating to the public offering of 6,250,000 shares (the “Shares”) of the Company’s common stock, par value $0.001 per share, at a purchase price per share of $2.40 (the “Offering Price”).","confidence":0.95,"filing_url":"https://secwatch.observer/filing/0001104659-26-021534","anchor_url":"https://secwatch.observer/filing/0001104659-26-021534#claim-3a54fd1dd5156f47c607c71d415341653981360f","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/728385/000110465926021534/0001104659-26-021534-index.htm"},{"fact_type":"equity_issuance","fact_key":"af8c624f426d51574592ba5a0db061150f9495f1","cik":728385,"ticker":"BCHT","company_name":"Birchtech Corp.","filed_at":"2025-12-29T23:59:59+00:00","payload":{"action":"rights_modification","consideration_text":null,"effective_date":"2025-12-26","item_codes_triggered":["3.03"],"purchaser":null,"security_type":"common_stock","shares_text":null},"claim":"Birchtech Corp. issued common stock.","evidence_excerpt":"every five (5) shares of issued and outstanding common stock will be combined into one (1) share.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001477932-25-009214","anchor_url":"https://secwatch.observer/filing/0001477932-25-009214#claim-af8c624f426d51574592ba5a0db061150f9495f1","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/728385/000147793225009214/0001477932-25-009214-index.htm"},{"fact_type":"governance_change","fact_key":"1c64409918f2d7228befcf05523195e2a34ced49","cik":728385,"ticker":"BCHT","company_name":"Birchtech Corp.","filed_at":"2025-12-29T23:59:59+00:00","payload":{"change_type":"charter_amendment","effective_date":"2025-12-26","item_codes_triggered":["5.03"],"summary_text":"Filed a certificate of amendment to effect a 1-for-5 reverse stock split of common stock"},"claim":"Birchtech Corp.: Filed a certificate of amendment to effect a 1-for-5 reverse stock split of common stock (effective 2025-12-26).","evidence_excerpt":"On December 23, 2025, Birchtech Corp. (the “Company”) filed a certificate of amendment to the Company’s Certificate of Incorporation (the “Certificate of Amendment”) with the Secretary of State of the State of Delaware to effect a 1-for-5 reverse stock split (the “Reverse Split”) of the Company’s issued and outstanding shares of its common stock, par value $0.001 per share, effective on December 26, 2025.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001477932-25-009214","anchor_url":"https://secwatch.observer/filing/0001477932-25-009214#claim-1c64409918f2d7228befcf05523195e2a34ced49","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/728385/000147793225009214/0001477932-25-009214-index.htm"},{"fact_type":"executive_change","fact_key":"494e47533f","cik":728385,"ticker":"BCHT","company_name":"Birchtech Corp.","filed_at":"2025-06-20T23:59:59+00:00","payload":{"action":"appointed","action_category":"appointment","departure_tone":"not_applicable","effective_date":"2025-07-01","interim":true,"role":"Chairman of the Board (interim)","role_category":"chair","successor_name":null,"successor_named":false},"claim":"Richard MacPherson was appointed as Chairman of the Board (interim) at Birchtech Corp..","evidence_excerpt":"Richard MacPherson, President, Chief Executive Officer and a director of the Company, has been appointed Chairman of the Board on an interim basis, to be effective July 1, 2025.","confidence":0.95,"filing_url":"https://secwatch.observer/filing/0001477932-25-004727","anchor_url":"https://secwatch.observer/filing/0001477932-25-004727#claim-494e47533f","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/728385/000147793225004727/0001477932-25-004727-index.htm"},{"fact_type":"executive_change","fact_key":"3f2e5c2cea","cik":728385,"ticker":"BCHT","company_name":"Birchtech Corp.","filed_at":"2025-06-20T23:59:59+00:00","payload":{"action":"resigned","action_category":"departure","departure_tone":"routine","effective_date":"2025-07-01","interim":false,"role":"Director and Chairman of the Board","role_category":"chair","successor_name":"Richard MacPherson","successor_named":true},"claim":"Christopher Greenberg resigned as Director and Chairman of the Board at Birchtech Corp..","evidence_excerpt":"Christopher Greenberg submitted his resignation as a director and Chairman of the Board of Birchtech Corp. 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(the “Company”) changed its corporate name to “Birchtech Corp.” pursuant to a Certificate of Amendment to its Certificate of Incorporation filed with the State of Delaware (the “Corporate Name Change”).","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001477932-24-006503","anchor_url":"https://secwatch.observer/filing/0001477932-24-006503#claim-c6be30dea191ccc343f228118de2d349cc3793b2","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/728385/000147793224006503/0001477932-24-006503-index.htm"},{"fact_type":"material_agreement","fact_key":"0f4fcf2d8059e13c3d5bd9637d72d06a904ff107","cik":728385,"ticker":"BCHT","company_name":"Birchtech Corp.","filed_at":"2024-03-04T23:59:59+00:00","payload":{"action":"termination","agreement_name":"Satisfaction and Discharge of Secured Debt","agreement_type":"other","counterparty":"AC Midwest Energy LLC","effective_date":"2024-02-27","item_codes_triggered":["1.01"],"value_text":null},"claim":"Birchtech Corp. terminated Satisfaction and Discharge of Secured Debt with AC Midwest Energy LLC (effective 2024-02-27).","evidence_excerpt":"As a result of the repayment of the remaining principal balance under the Secured Debt, the Company, MES and AC Midwest executed a Satisfaction and Discharge of Secured Debt confirming the cancellation of the Secured Note and that all of the obligations under the Restated Financing Agreement have been fully satisfied and discharged.","confidence":0.9,"filing_url":"https://secwatch.observer/filing/0001477932-24-001001","anchor_url":"https://secwatch.observer/filing/0001477932-24-001001#claim-0f4fcf2d8059e13c3d5bd9637d72d06a904ff107","edgar_index_url":"https://www.sec.gov/Archives/edgar/data/728385/000147793224001001/0001477932-24-001001-index.htm"},{"fact_type":"material_agreement","fact_key":"25140987b22b39c4ba48063668b48be8f8102cda","cik":728385,"ticker":"BCHT","company_name":"Birchtech Corp.","filed_at":"2024-03-04T23:59:59+00:00","payload":{"action":"entry","agreement_name":"Unsecured Debt Restructuring Agreement","agreement_type":"credit_facility","counterparty":"AC Midwest Energy LLC","effective_date":"2024-02-27","item_codes_triggered":["1.01"],"value_text":"$4,114,930.60"},"claim":"Birchtech Corp. entered into Unsecured Debt Restructuring Agreement with AC Midwest Energy LLC valued at $4,114,930.60 (effective 2024-02-27).","evidence_excerpt":"On February 27, 2024, Midwest Energy Emissions Corp. 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