4
Changes in Ownership
Birchtech Corp. Filed Acc 0001135432-11-000004
Options or other derivatives
- COB, Pres., Sec., and Treas. bought 8,215 shares
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Derivatives | |||||||
| MacPherson Richard COB, Pres., Sec., and Treas. | 2011-06-21 | Purchase · Series B Convertible Preferred Stock | +8,215 | 8,215 | I | ||
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