Kaye David M
SEC CIK 1358094 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| BCHT | Birchtech Corp. | Sec, Dir | 370.1K | — | — | 19 | 2022-05-31 | 2025-12-12 |
Most active insiders at BCHT, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | MacPherson Richard | Pres, CEO, Dir, 10% | $750.0K | — |
| 2 | Pavlish John | Senior VP, Chief Tech Off | — | — |
| 3 | Kaye David M | Dir | — | — |
Transactions 19
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-12-15 | 2025-12-12 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.93 | -155.2K | 370.1K | -30% | -$144.3K |
| D | 2025-12-15 | 2025-12-12 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.58 | +250.0K | 525.4K | +91% | +$145.0K |
| D | 2023-12-13 | 2023-12-11 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.99 | -1,578 | 275.4K | -0.6% | -$1,562 |
| D | 2023-12-13 | 2023-12-11 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.25 | +6,250 | 276.9K | +2% | +$1,562 |
| D | 2023-12-04 | 2023-11-30 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.98 | -2,112 | 270.7K | -0.8% | -$2,070 |
| D | 2023-12-04 | 2023-11-30 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.33 | +6,250 | 272.8K | +2% | +$2,062 |
| D | 2023-11-02 | 2023-10-31 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.41 | -3,081 | 266.5K | -1% | -$1,263 |
| D | 2023-11-02 | 2023-10-31 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.2 | +6,250 | 269.6K | +2% | +$1,250 |
| D | 2023-10-02 | 2023-09-29 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.39 | -4,141 | 263.4K | -2% | -$1,615 |
| D | 2023-10-02 | 2023-09-29 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.26 | +6,250 | 267.5K | +2% | +$1,625 |
| D | 2023-08-01 | 2023-07-28 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.33 | -3,209 | 261.3K | -1% | -$1,059 |
| D | 2023-08-01 | 2023-07-28 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.17 | +6,250 | 264.5K | +2% | +$1,062 |
| D | 2023-06-30 | 2023-06-28 | BCHT | Birchtech Corp. | Kaye David M | Dir | M - OptEx | $0.21 | +6,250 | 262.6K | +2% | +$1,312 |
| D | 2023-06-30 | 2023-06-28 | BCHT | Birchtech Corp. | Kaye David M | Dir | F - Tax | $0.3 | -4,375 | 258.2K | -2% | -$1,312 |
| D | 2023-06-07 | 2023-06-07 | BCHT | Birchtech Corp. | Kaye David M | Sec, Dir | M - OptEx | $0.29 | +6,250 | 261.2K | +2% | +$1,812 |
| D | 2023-06-07 | 2023-06-07 | BCHT | Birchtech Corp. | Kaye David M | Sec, Dir | F - Tax | $0.37 | -4,898 | 256.4K | -2% | -$1,812 |
| D | 2023-02-03 | 2023-02-01 | BCHT | Birchtech Corp. | Kaye David M | Sec, Dir | F - Tax | $0.5 | -95.0K | 255.0K | -27% | -$47.5K |
| D | 2023-02-03 | 2023-02-01 | BCHT | Birchtech Corp. | Kaye David M | Sec, Dir | M - OptEx | $0.19 | +250.0K | 350.0K | +250% | +$47.5K |
| 2022-06-02 | 2022-05-31 | BCHT | Birchtech Corp. | Kaye David M | Sec, Dir | A - Grant | $0.00 | +100.0K | 100.0K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations