Kaye David M 4
4 · Birchtech Corp. · Filed Dec 15, 2025
Insider Transaction Report
Form 4
Birchtech Corp.BCHT
Kaye David M
Director
Transactions
- Exercise/Conversion
Common Stock
2025-12-12$0.58/sh+250,000$145,000→ 525,356 total - Tax Payment
Common Stock
2025-12-12$0.93/sh−155,214$145,001→ 370,142 total - Exercise/Conversion
Stock Option (Right to Buy)
2025-12-12−250,000→ 0 totalExercise: $0.58From: 2020-12-14Exp: 2025-12-14→ Common Stock (250,000 underlying)
Footnotes (1)
- [F1]Reflects shares of the Issuer's common stock acquired by the Reporting Person through the cashless exercise of an option to acquire 250,000 shares of common stock, pursuant to which 155,214 shares were withheld by the Issuer with a VWAP of $0.9342 per share to pay the exercise price of $0.58 per share, resulting in 94,786 shares of common stock being issued to the Reporting Person on a net basis.