David S. Tierney, Director at CATALYST PHARMACEUTICAL PARTNERS, INC. (CPRX), bought 20,000 shares at $0.58 ($12K) on 2012-05-29, disclosed to the SEC on 2012-05-31.
Open-market purchase of $12k CPRX by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
| Filing → |
| CPRX | SELL | 2024-04-10 | $392K | — | Filing → |
| CPRX | SELL | 2023-12-14 | $667K | — | Filing → |
| CPRX | SELL | 2023-04-07 | $1.0M | — | Filing → |