Insider Transactions Reported by 11 Insiders of Birchtech Corp.

Symbol
BCHT on NYSE
Location
Corsicana, TX

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Quick Takeaways

  • BCHT - Birchtech Corp. has 11 insiders with reported activity on this page.
  • No net insider buy/sell flow is currently reported for the last year.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • No meaningful buy/sell imbalance is currently visible in the one-year window.
  • Activity will update as new Forms 3/4/5 are filed.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 08 Apr 2025.

Buys

$0

Shares: 0

Insiders: 0

Sells

$0

Shares: 0

Insiders: 0

Net

$0

Shares: 0

Insiders: 0

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Birchtech Corp. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Richard MacPherson President and CEO, Director, 10%+ Owner $12,343,541 Mixed 27 Feb 2026
Christopher Greenberg Chairman of the Board, Director $5,377,314 Mixed 15 Jan 2024
John Pavlish Senior VP/Chief Tech Officer $2,007,475 Mixed 11 Dec 2025
David M. Kaye Director $345,786 Mixed 12 Dec 2025
Troy J. Grant Director $198,040 Mixed 15 Jan 2024
Mitzi H. Coogler Director $6,601 Mixed 09 Jan 2025
James Trettel Vice President of Operations Mixed 15 Jan 2024
Fiona Fitzmaurice Chief Financial Officer Mixed 15 Jan 2024
Jami L. Satterthwaite Chief Financial Officer Mixed 31 May 2022
Gregory R. Powell Chief Financial Officer Mixed 01 Mar 2023
Alterna Core Capital Assets Fund II, L.P. 10%+ Owner Mixed 28 Oct 2022

Top shareholders of Birchtech Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Richard MacPherson
3/4/5
President and CEO, Director, 10%+ Owner —
class O/S missing
2,955,095
 $12,343,541 — 27 Feb 2026
3/4/5
Christopher Greenberg
3/4/5
Chairman of the Board, Director —
mixed-class rows
5,630,533
mixed-class rows
 $5,377,314 — 15 Jan 2024
3/4/5
John Pavlish
3/4/5
Senior VP/Chief Tech Officer —
mixed-class rows
2,398,528
mixed-class rows
 $2,007,475 — 11 Dec 2025
3/4/5
David M. Kaye
3/4/5
Director —
class O/S missing
370,142
 $345,786 — 12 Dec 2025
3/4/5
Ancora Advisors LLC
13F
Company —
class O/S missing
52,884
 $198,315 — 31 Dec 2025
13F
Troy J. Grant
3/4/5
Director —
class O/S missing
200,000
 $198,040 — 15 Jan 2024
3/4/5
Mink Brook Asset Management LLC
13F
Company —
class O/S missing
46,200
 $146,878 — 31 Dec 2025
13F
Mitzi H. Coogler
3/4/5
Director —
mixed-class rows
110,000
mixed-class rows
 $6,601 — 09 Jan 2025
3/4/5
Alterna Core Capital Assets Fund II, L.P.
3/4/5
10%+ Owner —
class O/S missing
11,700,000
 — — 28 Oct 2022
3/4/5
James Trettel
3/4/5
Vice President of Operations —
class O/S missing
200,000
 — — 15 Jan 2024
3/4/5
Jami L. Satterthwaite
3/4/5
Chief Financial Officer —
class O/S missing
100,000
 — — 31 May 2022
3/4/5
Fiona Fitzmaurice
3/4/5
Chief Financial Officer —
class O/S missing
25,000
 — — 15 Jan 2024
3/4/5

Recent Insider Transactions by Companies or Individuals for Birchtech Corp.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Richard MacPherson BCHT Common Stock Purchase 11.8% 312,500 2,955,095 27 Feb 2026 Direct
David M. Kaye BCHT Common Stock Tax liability -29.5% -155,214 370,142 12 Dec 2025 Direct
David M. Kaye BCHT Common Stock Options Exercise 90.8% 250,000 525,356 12 Dec 2025 Direct
David M. Kaye BCHT Stock Option (Right to Buy) Options Exercise -100% -250,000 0 12 Dec 2025 Direct
Richard MacPherson BCHT Common Stock Tax liability -2.3% -310,427 13,212,954 12 Dec 2025 Direct
Richard MacPherson BCHT Common Stock Options Exercise 3.84% 500,000 13,523,381 12 Dec 2025 Direct
Richard MacPherson BCHT Stock Option (Right to Buy) Options Exercise -100% -500,000 0 12 Dec 2025 Direct
John Pavlish BCHT Common Stock Tax liability -7.98% -190,560 2,198,528 11 Dec 2025 Direct
John Pavlish BCHT Common Stock Options Exercise 14.4% 300,000 2,389,088 11 Dec 2025 Direct
John Pavlish BCHT Stock Option (Right to Buy) Options Exercise -60% -300,000 200,000 11 Dec 2025 Direct
John Pavlish BCHT Common Stock Tax liability -7.97% -181,022 2,089,088 20 Jun 2025 Direct
John Pavlish BCHT Common Stock Options Exercise 28.2% 500,000 2,270,110 20 Jun 2025 Direct
John Pavlish BCHT Stock Option (Right to Buy) Options Exercise -100% -500,000 0 20 Jun 2025 Direct
Richard MacPherson BCHT Common Stock Tax liability -1.37% -181,022 13,023,381 20 Jun 2025 Direct
Richard MacPherson BCHT Common Stock Options Exercise 3.94% 500,000 13,204,403 20 Jun 2025 Direct
Richard MacPherson BCHT Stock Option (Right to Buy) Options Exercise -100% -500,000 0 20 Jun 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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