Form 4 for BCHT Birchtech Corp.
Accepted 2025-12-15 00:00:00 ET · period of report 2025-12-12 · accession 0001358094-25-000008 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-12-15 | 2025-12-12 | BCHT | Kaye David M | Dir | F - Tax | $0.93 | -155.2K | 370.1K | -30% | -$144.3K |
| D | 2025-12-15 | 2025-12-12 | BCHT | Kaye David M | Dir | M - OptEx | $0.58 | +250.0K | 525.4K | +91% | +$145.0K |
| D | 2025-12-15 | 2025-12-12 | BCHT | Kaye David M | Dir | M - OptEx | $0.00 | -250.0K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-12-12 | F | D | 155,214 | $0.93 | 370,142 | D | — | — | (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. |
| 2 | Common | Common Stock | 2025-12-12 | M | A | 250,000 | $0.58 | 525,356 | D | — | — | (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. |
| 3 | Derivative | Stock Option (Right to Buy) | 2025-12-12 | M | D | 250,000 | $0.00 | 0 | D | $0.58 · 2020-12-14 to 2025-12-14 | 250,000 Common Stock |