Birchtech Corp. (BCHT)

Latest Insider Confidence Score

2026Q1

50.1
Bullish

Company insider confidence (by quarter)

2003Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Furnivall James C — 49,797,819 Sep 2, 2016
Toll Harry V. 10% Owner 23,603,927 Dec 2, 2016
Pelino Dennis L 10% Owner 23,200,000 Jul 7, 2010
Alterna Core Capital Assets Fund II, L.P. 10% Owner 11,700,000 Nov 1, 2022
Alterna Capital Partners LLC 10% Owner 11,700,000 Nov 1, 2022

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Feb 27, 2026 Mar 2, 2026 MacPherson Richard CEO Buy 97.5 +312,500 11.83% ✗ $750K
Dec 12, 2025 Dec 15, 2025 Kaye David M Director Sell 22.5 -155,214 -29.54% ✗ $145K
Dec 12, 2025 Dec 15, 2025 MacPherson Richard CEO Sell 20.0 -310,427 -2.30% ✗ $290K
Dec 11, 2025 Dec 15, 2025 Pavlish John Senior VP/Chief Tech Officer Sell 22.5 -190,560 -7.98% ✗ $174K
Jun 20, 2025 Jun 23, 2025 Pavlish John Senior VP/Chief Tech Officer Sell 22.5 -181,022 -7.97% ✗ $95K
Jun 20, 2025 Jun 23, 2025 MacPherson Richard CEO Sell 22.5 -181,022 -1.37% ✗ $95K
Jan 9, 2025 Jan 13, 2025 Coogler Mitzi H Director Neutral 52.5 - 0.00% ✗ -
Jan 6, 2025 Coogler Mitzi H Director Neutral 52.5 - 0.00% ✗ -
Jun 24, 2024 Jun 26, 2024 Pavlish John Senior VP/Chief Tech Officer Sell 20.0 -927,133 -22.54% ✗ $612K
Jun 24, 2024 Jun 26, 2024 MacPherson Richard CEO Sell 20.0 -613,544 -4.61% ✗ $405K
Jan 15, 2024 Jan 16, 2024 Grant Troy J Director Neutral 90.0 +50,000 33.33% ✗ -
Jan 15, 2024 Jan 16, 2024 Fitzmaurice Fiona CFO Neutral 52.5 - 0.00% ✗ -
Jan 15, 2024 Jan 16, 2024 Kaye David M Director Neutral 52.5 - 0.00% ✗ -
Jan 15, 2024 Jan 16, 2024 Trettel James President Neutral 52.5 - 0.00% ✗ -
Jan 15, 2024 Jan 16, 2024 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Jan 15, 2024 Jan 16, 2024 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Jan 15, 2024 Jan 16, 2024 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Dec 11, 2023 Dec 13, 2023 Kaye David M Director Sell 37.5 -1,578 -0.57% ✗ $1.6K
Dec 11, 2023 Dec 13, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 45.0 -3,472 -0.32% ✗ $3.4K
Nov 30, 2023 Dec 4, 2023 Kaye David M Director Sell 37.5 -2,112 -0.77% ✗ $2.1K
Nov 30, 2023 Dec 4, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 45.0 -4,646 -0.43% ✗ $4.5K
Nov 7, 2023 Fitzmaurice Fiona CFO Neutral 52.5 - 0.00% ✗ -
Oct 31, 2023 Nov 2, 2023 Kaye David M Director Sell 27.5 -3,081 -1.14% ✗ $1.3K
Oct 31, 2023 Nov 2, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 37.5 -6,777 -0.62% ✗ $2.8K
Oct 31, 2023 Nov 2, 2023 MacPherson Richard CEO Sell 52.5 -8,112 -0.07% ✗ $3.3K
Sep 29, 2023 Oct 3, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 37.5 -9,109 -0.84% ✗ $3.6K
Sep 29, 2023 Oct 2, 2023 MacPherson Richard CEO Sell 52.5 -10,903 -0.09% ✗ $4.3K
Sep 29, 2023 Oct 2, 2023 Kaye David M Director Sell 27.5 -4,141 -1.55% ✗ $1.6K
Jul 28, 2023 Aug 1, 2023 Kaye David M Director Sell 27.5 -3,209 -1.21% ✗ $1.1K
Jul 28, 2023 Aug 1, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 37.5 -7,060 -0.66% ✗ $2.3K
Jul 28, 2023 Aug 1, 2023 MacPherson Richard CEO Sell 52.5 -8,451 -0.07% ✗ $2.8K
Jun 28, 2023 Jun 30, 2023 MacPherson Richard CEO Sell 52.5 -19,474 -0.08% ✗ $5.8K
Jun 28, 2023 Jun 30, 2023 Kaye David M Director Sell 27.5 -4,375 -1.67% ✗ $1.3K
Jun 28, 2023 Jun 30, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 37.5 -9,625 -0.90% ✗ $2.9K
Jun 7, 2023 Jun 7, 2023 Kaye David M Secretary Sell 27.5 -4,898 -1.87% ✗ $1.8K
Jun 5, 2023 Jun 7, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 45.0 -5,246 -0.49% ✗ $2K
Jun 2, 2023 Grant Troy J Director Neutral 52.5 - 0.00% ✗ -
Mar 1, 2023 Powell Gregory R CFO Neutral 52.5 - 0.00% ✗ -
Feb 20, 2023 Feb 22, 2023 Pavlish John Senior VP/Chief Tech Officer Sell 26.3 -32,142 -2.96% ✗ $13.5K
Feb 1, 2023 Feb 3, 2023 Kaye David M Secretary Sell 26.3 -95,000 -27.14% ✗ $47.5K
Feb 1, 2023 Feb 3, 2023 MacPherson Richard CEO Sell 22.5 -140,000 -1.17% ✗ $70K
Feb 1, 2023 Feb 3, 2023 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Nov 15, 2022 Nov 17, 2022 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Nov 8, 2022 Nov 10, 2022 MacPherson Richard CEO Neutral 90.0 +3,000,000 34.56% ✗ -
Oct 28, 2022 Nov 1, 2022 Alterna Core Capital Assets Fund II, L.P. 10% Owner Neutral 52.5 - 0.00% ✗ -
Sep 2, 2022 Sep 6, 2022 Greenberg Christopher Chair Buy 60.0 +10,000 0.23% ✗ $2.4K
May 31, 2022 Jun 2, 2022 Trettel James President Neutral 52.5 - 0.00% ✗ -
May 31, 2022 Jun 2, 2022 Kaye David M Secretary Neutral 90.0 +100,000 100.00% ✗ -
May 31, 2022 Jun 2, 2022 Greenberg Christopher Chair Neutral 82.5 +150,000 3.57% ✗ -
May 31, 2022 Jun 2, 2022 Satterthwaite Jami L. CFO Neutral 52.5 - 0.00% ✗ -
May 31, 2022 Jun 2, 2022 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Nov 22, 2021 Nov 24, 2021 Kaye David M Secretary Neutral 52.5 - 0.00% ✗ -
Nov 22, 2021 Nov 24, 2021 Satterthwaite Jami L. CFO Neutral 52.5 - 0.00% ✗ -
Nov 22, 2021 Nov 24, 2021 Trettel James President Neutral 52.5 - 0.00% ✗ -
Nov 22, 2021 Nov 24, 2021 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Nov 22, 2021 Nov 24, 2021 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Nov 22, 2021 Nov 24, 2021 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Jun 29, 2021 Jul 1, 2021 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
May 1, 2021 May 7, 2021 Greenberg Christopher Chair Sell 43.8 -9,131 -0.22% ✗ $10.5K
Apr 19, 2021 Apr 21, 2021 MacPherson Richard CEO Sell 20.0 -582,000 -6.28% ✗ $599.5K
Mar 22, 2021 Mar 22, 2021 MacPherson Richard CEO Buy 61.3 +25,000 0.27% ✗ $28.8K
Jan 27, 2021 Jan 29, 2021 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Jan 27, 2021 Jan 29, 2021 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Dec 14, 2020 Dec 16, 2020 Satterthwaite Jami L. Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Dec 14, 2020 Dec 16, 2020 Kaye David M Secretary Neutral 52.5 - 0.00% ✗ -
Dec 14, 2020 Dec 16, 2020 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Dec 14, 2020 Dec 16, 2020 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Dec 14, 2020 Dec 16, 2020 Trettel James President Neutral 52.5 - 0.00% ✗ -
Dec 14, 2020 Dec 16, 2020 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Nov 30, 2020 Dec 1, 2020 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Nov 30, 2020 Dec 1, 2020 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Oct 30, 2020 Satterthwaite Jami L. Chief Accounting Officer Neutral 52.5 - 0.00% ✗ -
Jul 8, 2020 Jul 9, 2020 Kaye David M Secretary Neutral 52.5 - 0.00% ✗ -
Jul 8, 2020 Jul 9, 2020 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Jul 8, 2020 Jul 9, 2020 Trettel James President Neutral 52.5 - 0.00% ✗ -
Jul 8, 2020 Jul 9, 2020 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Jul 8, 2020 Jul 9, 2020 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Jun 28, 2019 Jul 1, 2019 MacPherson Richard CEO Neutral 52.5 - 0.00% ✗ -
Jun 28, 2019 Jul 1, 2019 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Jun 28, 2019 Jul 1, 2019 Gross Richard H CFO Neutral 52.5 - 0.00% ✗ -
Jun 28, 2019 Jul 1, 2019 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Jun 28, 2019 Jul 1, 2019 Trettel James President Neutral 52.5 - 0.00% ✗ -
Jun 12, 2019 Kaye David M Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2019 Jun 6, 2019 Grantham Allan T Other Neutral 90.0 +229,333 20.32% ✗ -
May 14, 2019 May 15, 2019 Van Zijl Frederick Other Neutral 90.0 +235,184 100.00% ✗ -
Dec 31, 2018 Jan 3, 2019 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Dec 31, 2018 Jan 3, 2019 Grantham Allan T Director Neutral 52.5 - 0.00% ✗ -
Dec 31, 2018 Jan 3, 2019 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Dec 31, 2018 Jan 3, 2019 Gross Richard H CFO Neutral 52.5 - 0.00% ✗ -
Dec 31, 2018 Jan 3, 2019 Trettel James President Neutral 52.5 - 0.00% ✗ -
Nov 30, 2018 Dec 4, 2018 Grantham Allan T Director Neutral 52.5 - 0.00% ✗ -
Nov 30, 2018 Dec 4, 2018 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -
Nov 30, 2018 Dec 4, 2018 Gross Richard H CFO Neutral 52.5 - 0.00% ✗ -
Nov 30, 2018 Dec 4, 2018 Trettel James President Neutral 52.5 - 0.00% ✗ -
Nov 30, 2018 Dec 4, 2018 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Oct 31, 2018 Nov 2, 2018 Gross Richard H CFO Neutral 52.5 - 0.00% ✗ -
Oct 31, 2018 Nov 2, 2018 Trettel James President Neutral 52.5 - 0.00% ✗ -
Oct 31, 2018 Nov 2, 2018 Pavlish John Senior VP/Chief Tech Officer Neutral 52.5 - 0.00% ✗ -
Oct 31, 2018 Nov 2, 2018 Grantham Allan T Director Neutral 52.5 - 0.00% ✗ -
Oct 31, 2018 Nov 2, 2018 Greenberg Christopher Chair Neutral 52.5 - 0.00% ✗ -