BCHT · Birchtech Corp. Common Stock
View on chartInsiders & Stakes
| Christopher Greenberg Chairman of the Board | ▲ Buy | Option Exercise | 5,427,533 Shares held | 2/1/2023 | View profile |
| Richard MacPherson President and CEO | ▲ Buy | Open Market | 2,955,095 Shares held | 2/27/2026 | View profile |
| John Pavlish Senior VP/Chief Tech Officer | ▼ Sell | Tax Withholding | 2,198,528 Shares held | 12/11/2025 | View profile |
| David M. Kaye Secretary | ▼ Sell | Tax Withholding | 370,142 Shares held | 12/12/2025 | View profile |
| Troy J. Grant Director | ▲ Buy | Grant | 200,000 Shares held | 1/15/2024 | View profile |
Transaction History
| Richard MacPherson | ▲ Buy | Open Market | 312,500 | $750K | 2/27/2026 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 310,427 | $290K | 12/12/2025 |
| David M. Kaye | ▲ Buy | Option Exercise | 250,000 | $145K | 12/12/2025 |
| David M. Kaye | ▼ Sell | Tax Withholding | 155,214 | $145K | 12/12/2025 |
| Richard MacPherson | ▲ Buy | Option Exercise | 500,000 | $290K | 12/12/2025 |
| John Pavlish | ▲ Buy | Option Exercise | 300,000 | $174K | 12/11/2025 |
| John Pavlish | ▼ Sell | Tax Withholding | 190,560 | $174K | 12/11/2025 |
| John Pavlish | ▲ Buy | Option Exercise | 500,000 | $95K | 6/20/2025 |
| John Pavlish | ▼ Sell | Tax Withholding | 181,022 | $95K | 6/20/2025 |
| Richard MacPherson | ▲ Buy | Option Exercise | 500,000 | $95K | 6/20/2025 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 181,022 | $95K | 6/20/2025 |
| John Pavlish | ▲ Buy | Option Exercise | 1,000,000 | $450K | 6/24/2024 |
| John Pavlish | ▼ Sell | Tax Withholding | 681,715 | $450K | 6/24/2024 |
| John Pavlish | ▲ Buy | Option Exercise | 600,000 | $162K | 6/24/2024 |
| John Pavlish | ▼ Sell | Tax Withholding | 245,418 | $162K | 6/24/2024 |
| Richard MacPherson | ▲ Buy | Option Exercise | 1,500,000 | $405K | 6/24/2024 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 613,544 | $405K | 6/24/2024 |
| Troy J. Grant | ▲ Buy | Grant | 50,000 | $0 | 1/15/2024 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $2K | 12/11/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 1,578 | $2K | 12/11/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 13,750 | $3K | 12/11/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 3,472 | $3K | 12/11/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $2K | 11/30/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 2,112 | $2K | 11/30/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 13,750 | $5K | 11/30/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 4,646 | $5K | 11/30/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $1K | 10/31/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 3,081 | $1K | 10/31/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 13,750 | $3K | 10/31/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 6,777 | $3K | 10/31/2023 |
| Richard MacPherson | ▲ Buy | Option Exercise | 16,458 | $3K | 10/31/2023 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 8,112 | $3K | 10/31/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 9,109 | $4K | 9/29/2023 |
| Richard MacPherson | ▲ Buy | Option Exercise | 16,458 | $4K | 9/29/2023 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 10,903 | $4K | 9/29/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $2K | 9/29/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 4,141 | $2K | 9/29/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 13,750 | $4K | 9/29/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $1K | 7/28/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 3,209 | $1K | 7/28/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 13,750 | $2K | 7/28/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 7,060 | $2K | 7/28/2023 |
| Richard MacPherson | ▲ Buy | Option Exercise | 16,458 | $3K | 7/28/2023 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 8,451 | $3K | 7/28/2023 |
| Richard MacPherson | ▲ Buy | Option Exercise | 8,229 | $2K | 6/28/2023 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 7,954 | $2K | 6/28/2023 |
| Richard MacPherson | ▲ Buy | Option Exercise | 16,458 | $3K | 6/28/2023 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 11,520 | $3K | 6/28/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $1K | 6/28/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 4,375 | $1K | 6/28/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 13,750 | $3K | 6/28/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 9,625 | $3K | 6/28/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 6,250 | $2K | 6/7/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 4,898 | $2K | 6/7/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 6,875 | $2K | 6/5/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 5,246 | $2K | 6/5/2023 |
| John Pavlish | ▼ Sell | Tax Withholding | 32,142 | $13K | 2/20/2023 |
| John Pavlish | ▲ Buy | Option Exercise | 50,000 | $14K | 2/20/2023 |
| David M. Kaye | ▲ Buy | Option Exercise | 250,000 | $48K | 2/1/2023 |
| David M. Kaye | ▼ Sell | Tax Withholding | 95,000 | $48K | 2/1/2023 |
| Richard MacPherson | ▲ Buy | Option Exercise | 250,000 | $70K | 2/1/2023 |
| Richard MacPherson | ▼ Sell | Tax Withholding | 140,000 | $70K | 2/1/2023 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 600,000 | $162K | 2/1/2023 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 250,000 | $48K | 2/1/2023 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 150,000 | $42K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $2K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $2K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $2K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $3K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $1K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $2K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $2K | 11/15/2022 |
| Christopher Greenberg | ▲ Buy | Option Exercise | 8,333 | $2K | 11/15/2022 |
| Richard MacPherson | ▲ Buy | Grant | 3,000,000 | $0 | 11/8/2022 |
| Christopher Greenberg | ▲ Buy | Open Market | 10,000 | $2K | 9/2/2022 |
| David M. Kaye | ▲ Buy | Grant | 100,000 | $0 | 5/31/2022 |
| Christopher Greenberg | ▲ Buy | Grant | 150,000 | $0 | 5/31/2022 |