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Birchtech Corp.

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Overview All Filings Financials Insiders

Recent Filings

All 789 filings →
Form Description Date
8-K FORM 8-K Mar 17, 2026
4 PRIMARY DOCUMENT Mar 2, 2026
8-K FORM 8-K Feb 27, 2026
424B4 424B4 Feb 27, 2026
CERT NYSE AMERICAN CERTIFICATION Feb 25, 2026
EFFECT Feb 17, 2026
S-1/A S-1/A Feb 12, 2026
8-A12B FORM 8-A12B Feb 11, 2026
S-1/A S-1/A Feb 3, 2026
S-1 S-1 Jan 13, 2026

Insider Transactions

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Insider Title Type Shares Date
Grant Troy J Award / Grant 50,000 Jan 15, 2024
MacPherson Richard President and CEO Award / Grant 3,000,000 Nov 8, 2022
Greenberg Christopher Chairman of the Board Purchase 10,000 @ $0.24 Sep 2, 2022
Kaye David M Secretary Award / Grant 100,000 May 31, 2022
Greenberg Christopher Chairman of the Board Award / Grant 150,000 May 31, 2022
MacPherson Richard President and CEO Sale 582,000 @ $1.03 Apr 19, 2021
MacPherson Richard President and CEO Purchase 25,000 @ $1.15 Mar 22, 2021
Grantham Allan T Award / Grant 229,333 Jun 4, 2019
Van Zijl Frederick Award / Grant 235,184 May 14, 2019
Grantham Allan T Purchase 5,000 @ $0.38 Aug 25, 2017