BCHT

Birchtech Corp.$1.50-0.09 (-5.90%)

Prev Close$1.59·MCap$59.6M·P/E—·Vol86.3K·Yield—

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Buys (12M)

$750.0K

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Sells (12M)

$704.0K

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Net Activity

Net Buyer

$46.0K

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at Birchtech Corp. (BCHT) has been mixed between buying and selling, with 1 insider purchase totaling $750.0K and 4 insider sales totaling $704.0K. The most recent insider transaction was by MacPherson Richard (director, 10 percent owner, officer: President and CEO), who purchased $750.0K worth of shares on Mar 2, 2026. Birchtech Corp. operates in the Industrials sector, within the Industrial - Pollution & Treatment Controls industry, with a market cap of $59.6M.

BCHT Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 2, 2026	MacPherson Richard	director, 10 percent owner, officer: President and CEO	Buy	312,500	$2.40	$750.0K1.2% OS	2,955,095
Dec 12, 2025	Kaye David M	Director	Sell	155,214	$0.93	$145.0K0.6% OS	0
Dec 12, 2025	MacPherson Richard	President and CEO	Sell	310,427	$0.93	$290.0K1.2% OS	0
Dec 11, 2025	Pavlish John	Senior VP/Chief Tech Officer	Sell	190,560	$0.91	$174.0K0.7% OS	0
Jun 20, 2025	Pavlish John	Senior VP/Chief Tech Officer	Sell	181,022	$0.52	$95.0K0.7% OS	0
Jun 24, 2024	MacPherson Richard	President and CEO	Sell	613,544	$0.66	$405.0K2.4% OS	0
Jun 24, 2024	Pavlish John	Senior VP/Chief Tech Officer	Sell	927,133	$0.66	$612.0K3.6% OS	0
Dec 11, 2023	Kaye David M	Director	Sell	1,578	$0.99	$1.6K	0
Dec 11, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	3,472	$0.99	$3.4K	0
Nov 30, 2023	Kaye David M	Director	Sell	2,112	$0.98	$2.1K	0
Nov 30, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	4,646	$0.98	$4.5K	0
Oct 31, 2023	Kaye David M	Director	Sell	3,081	$0.41	$1.3K	0
Oct 31, 2023	MacPherson Richard	President and CEO	Sell	8,112	$0.41	$3.3K	0
Oct 31, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	6,777	$0.41	$2.8K	0
Sep 29, 2023	Kaye David M	Director	Sell	4,141	$0.39	$1.6K	0
Sep 29, 2023	MacPherson Richard	President and CEO	Sell	10,903	$0.39	$4.3K	0
Sep 29, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	9,109	$0.39	$3.6K	0
Jul 28, 2023	Kaye David M	Director	Sell	3,209	$0.33	$1.1K	0
Jul 28, 2023	MacPherson Richard	President and CEO	Sell	8,451	$0.33	$2.8K	0
Jul 28, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	7,060	$0.33	$2.3K	0
Jun 28, 2023	Kaye David M	Director	Sell	4,375	$0.30	$1.3K	0
Jun 28, 2023	MacPherson Richard	President and CEO	Sell	19,474	$0.30	$5.8K	0
Jun 28, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	9,625	$0.30	$2.9K	0
Jun 7, 2023	Kaye David M	Secretary	Sell	4,898	$0.37	$1.8K	0
Jun 5, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	5,246	$0.38	$2.0K	0
Feb 20, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	32,142	$0.42	$13.5K	0
Feb 1, 2023	Kaye David M	Secretary	Sell	95,000	$0.50	$47.5K	0
Feb 1, 2023	MacPherson Richard	President and CEO	Sell	140,000	$0.50	$70.0K0.5% OS	0
Sep 2, 2022	Greenberg Christopher	Chairman of the Board	Buy	10,000	$0.24	$2.4K	0
May 1, 2021	Greenberg Christopher	Chairman of the Board	Sell	9,131	$1.15	$10.5K	0
Apr 19, 2021	MacPherson Richard	President and CEO	Sell	582,000	$1.03	$599.5K2.2% OS	0
Mar 22, 2021	MacPherson Richard	President and CEO	Buy	25,000	$1.15	$28.8K	0

BCHT Insider Buying Activity

The following table shows recent insider purchases of Birchtech Corp. (BCHT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 2, 2026	MacPherson Richard	director, 10 percent owner, officer: President and CEO	Buy	312,500	$2.40	$750.0K1.2% OS	2,955,095
Sep 2, 2022	Greenberg Christopher	Chairman of the Board	Buy	10,000	$0.24	$2.4K	0
Mar 22, 2021	MacPherson Richard	President and CEO	Buy	25,000	$1.15	$28.8K	0

BCHT Insider Selling Activity

The following table shows recent insider sales of Birchtech Corp. (BCHT) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value
Dec 12, 2025	Kaye David M	Director	Sell	155,214	$0.93	$145.0K0.6% OS
Dec 12, 2025	MacPherson Richard	President and CEO	Sell	310,427	$0.93	$290.0K1.2% OS
Dec 11, 2025	Pavlish John	Senior VP/Chief Tech Officer	Sell	190,560	$0.91	$174.0K0.7% OS
Jun 20, 2025	Pavlish John	Senior VP/Chief Tech Officer	Sell	181,022	$0.52	$95.0K0.7% OS
Jun 24, 2024	MacPherson Richard	President and CEO	Sell	613,544	$0.66	$405.0K2.4% OS
Jun 24, 2024	Pavlish John	Senior VP/Chief Tech Officer	Sell	927,133	$0.66	$612.0K3.6% OS
Dec 11, 2023	Kaye David M	Director	Sell	1,578	$0.99	$1.6K
Dec 11, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	3,472	$0.99	$3.4K
Nov 30, 2023	Kaye David M	Director	Sell	2,112	$0.98	$2.1K
Nov 30, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	4,646	$0.98	$4.5K
Oct 31, 2023	Kaye David M	Director	Sell	3,081	$0.41	$1.3K
Oct 31, 2023	MacPherson Richard	President and CEO	Sell	8,112	$0.41	$3.3K
Oct 31, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	6,777	$0.41	$2.8K
Sep 29, 2023	Kaye David M	Director	Sell	4,141	$0.39	$1.6K
Sep 29, 2023	MacPherson Richard	President and CEO	Sell	10,903	$0.39	$4.3K
Sep 29, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	9,109	$0.39	$3.6K
Jul 28, 2023	Kaye David M	Director	Sell	3,209	$0.33	$1.1K
Jul 28, 2023	MacPherson Richard	President and CEO	Sell	8,451	$0.33	$2.8K
Jul 28, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	7,060	$0.33	$2.3K
Jun 28, 2023	Kaye David M	Director	Sell	4,375	$0.30	$1.3K
Jun 28, 2023	MacPherson Richard	President and CEO	Sell	19,474	$0.30	$5.8K
Jun 28, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	9,625	$0.30	$2.9K
Jun 7, 2023	Kaye David M	Secretary	Sell	4,898	$0.37	$1.8K
Jun 5, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	5,246	$0.38	$2.0K
Feb 20, 2023	Pavlish John	Senior VP/Chief Tech Officer	Sell	32,142	$0.42	$13.5K
Feb 1, 2023	Kaye David M	Secretary	Sell	95,000	$0.50	$47.5K
Feb 1, 2023	MacPherson Richard	President and CEO	Sell	140,000	$0.50	$70.0K0.5% OS
May 1, 2021	Greenberg Christopher	Chairman of the Board	Sell	9,131	$1.15	$10.5K
Apr 19, 2021	MacPherson Richard	President and CEO	Sell	582,000	$1.03	$599.5K2.2% OS