Jane Ph D. Hsiao, Director at Cocrystal Pharma, Inc. (COCP), bought 2,200,000 shares at $0.92 ($2.0M) on 2015-03-25, disclosed to the SEC on 2015-03-27.
Open-market purchase of $2.0M COCP by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Negative factors outweigh the positive ones.
| Filing → |
| OPK | BUY | 2023-11-13 | $210K | — | Filing → |
| OPK | BUY | 2021-08-10 | $37 | — | Filing → |
| OPK | BUY | 2019-10-25 | $600K | — | Filing → |