Kaye David M (CIK 1358094) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-12-15). Recent activity: Buy BCHT (250,000 shares), Sell BCHT (155,214 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-15 | Birchtech Corp. (BCHT) | Director | Buy | 250,000 | $145,000 |
| 2025-12-15 | Birchtech Corp. (BCHT) | Director | Sell | 155,214 | $144,349 |
Source: SEC Form 4 filings · as of 2025-12-15