| Exec date | Filing date | Company | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | Dec 15, 2025 | Birchtech Corp. | CEO | Sell | 20.0 | -310,427 | -2.30% | ✗ | $290K |
| Jun 20, 2025 | Jun 23, 2025 | Birchtech Corp. | CEO | Sell | 22.5 | -181,022 | -1.37% | ✗ | $95K |
| Jun 24, 2024 | Jun 26, 2024 | Birchtech Corp. | CEO | Sell | 20.0 | -613,544 | -4.61% | ✗ | $405K |
| Oct 31, 2023 | Nov 2, 2023 | Birchtech Corp. | CEO | Sell | 52.5 | -8,112 | -0.07% | ✗ | $3.3K |
| Sep 29, 2023 | Oct 2, 2023 | Birchtech Corp. | CEO | Sell | 52.5 | -10,903 | -0.09% | ✗ | $4.3K |
| Jul 28, 2023 | Aug 1, 2023 | Birchtech Corp. | CEO | Sell | 52.5 | -8,451 | -0.07% | ✗ | $2.8K |
| Jun 28, 2023 | Jun 30, 2023 | Birchtech Corp. | CEO | Sell | 52.5 | -19,474 | -0.08% | ✗ | $5.8K |
| Feb 1, 2023 | Feb 3, 2023 | Birchtech Corp. | CEO | Sell | 22.5 | -140,000 | -1.17% | ✗ | $70K |
| Apr 19, 2021 | Apr 21, 2021 | Birchtech Corp. | CEO | Sell | 20.0 | -582,000 | -6.28% | ✗ | $599.5K |
| Mar 22, 2021 | Mar 22, 2021 | Birchtech Corp. | CEO | Buy | 61.3 | +25,000 | 0.27% | ✗ | $28.8K |
| Dec 7, 2015 | Dec 9, 2015 | Birchtech Corp. | CEO | Sell | 20.0 | -1,092,000 | -8.84% | ✗ | $450K |
| Sep 28, 2015 | Sep 29, 2015 | Birchtech Corp. | CEO | Sell | 20.0 | -1,500,000 | -10.83% | ✗ | $500K |
| Sep 23, 2015 | Sep 29, 2015 | Birchtech Corp. | CEO | Sell | 43.8 | -47,808 | -0.34% | ✗ | $13.9K |
| Sep 25, 2014 | Sep 29, 2014 | Birchtech Corp. | Director | Sell | 32.5 | -100,000 | -0.62% | ✗ | $88K |
| Jun 30, 2014 | Jul 2, 2014 | Birchtech Corp. | Director | Sell | 22.5 | -293,750 | -1.79% | ✗ | $125K |
| Jun 26, 2014 | Jun 27, 2014 | Birchtech Corp. | Director | Sell | 20.0 | -823,770 | -2.43% | ✗ | $441.5K |
| Jun 16, 2014 | Jun 18, 2014 | Birchtech Corp. | Director | Sell | 27.5 | -1,116,120 | -0.79% | ✗ | $1M |
| Jan 14, 2014 | Jan 16, 2014 | Birchtech Corp. | Director | Sell | 27.5 | -200,000 | -1.21% | ✗ | $2K |
| Mar 19, 2013 | Jul 19, 2013 | Birchtech Corp. | Director | Sell | 22.5 | -305,500 | -1.73% | ✗ | $156.3K |
| Jul 12, 2013 | Jul 15, 2013 | Birchtech Corp. | Director | Sell | 27.5 | -2,000,000 | -10.78% | ✗ | $2K |
| Mar 19, 2013 | Mar 21, 2013 | Birchtech Corp. | Director | Sell | 22.5 | -305,000 | -1.73% | ✗ | $156.5K |
| Dec 31, 2012 | Jan 3, 2013 | Birchtech Corp. | Director | Sell | 51.3 | -35,000 | -0.20% | ✗ | $35K |
| Jul 5, 2012 | Jul 9, 2012 | Birchtech Corp. | Director | Sell | 22.5 | -345,487 | -1.92% | ✗ | $190K |
| Jun 29, 2012 | Jul 3, 2012 | Birchtech Corp. | Director | Sell | 22.5 | -297,421 | -1.63% | ✗ | $206.4K |
| Feb 16, 2012 | Feb 21, 2012 | Birchtech Corp. | President | Sell | 20.0 | -3,000,000 | -14.08% | ✗ | $314.4K |
| Jan 10, 2012 | Jan 12, 2012 | Birchtech Corp. | President | Sell | 32.5 | -109,890 | -0.51% | ✗ | $98.4K |
| Dec 29, 2011 | Jan 3, 2012 | Birchtech Corp. | President | Sell | 20.0 | -425,833 | -1.95% | ✗ | $383.9K |
| Dec 22, 2011 | Dec 27, 2011 | Birchtech Corp. | President | Sell | 20.0 | -660,080 | -2.93% | ✗ | $302.9K |