Birchtech Corp.
Headquarters Corsicana, TX
Financials
Prospectuses and Registrations
FORMNAMEDATE FILED
RWRegistration Withdrawal Request8/24/2022S-1General form for registration of securities under the Securities Act of 193311/10/2021424B3Prospectus1/11/2017S-1General form for registration of securities under the Securities Act of 193312/23/201610SB12GRegistration of securities for small business8/9/2001
Proxies
FORMNAMEDATE FILED
DEF 14AOther definitive proxy statements11/27/2024PRE 14AOther preliminary proxy statements11/13/2024DEF 14AOther definitive proxy statements11/3/2023DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material2/7/2022DEF 14AOther definitive proxy statements1/24/2022PRE 14AOther preliminary proxy statements1/10/2022DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material5/21/2021
News
FORMNAMEDATE FILED
8-KFinancial Statements and Exhibits6/20/20258-KNon-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review3/31/20258-KResults of Operations and Financial Condition3/4/20258-KSubmission of Matters to a Vote of Security Holders1/6/20258-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal Year11/15/20248-KNews Release10/21/20248-KAmendments to Articles of Incorporation or Bylaws; Change in Fiscal Year10/17/2024
Ownership
Others
FORMNAMEDATE FILED
D/ANotice of Exempt Offering of Securities8/21/2019DNotice of Exempt Offering of Securities6/28/2019DNotice of Exempt Offering of Securities6/28/2018EFFECTNotice of Effectiveness1/10/2017CORRESPCorrespondence1/6/2017UPLOADSEC-generated letter1/6/2017DNotice of Exempt Offering of Securities11/22/2016