4
Changes in Ownership
Birchtech Corp. Filed Acc 0001358094-25-000008
Director gave up 155,214 shares (to pay taxes)
- Director acquired 250,000 shares (option exercise)
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Kaye David M Director | 2025-12-12 | Option exercise | +250,000 | $0.58 | $145,000 | 525,356 | D |
| Kaye David M Director | 2025-12-12 | Shares withheld for taxes | −155,214 | $0.93 | $145,001 | 370,142 | D |
| Derivatives | |||||||
| Kaye David M Director | 2025-12-12 | Option exercise · Stock Option (Right to Buy) | −250,000 | 0 | D | ||
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