Nassim Usman, President & CEO at CATALYST BIOSCIENCES, INC. (CBIO), bought 4,000 shares at $2.00 ($8K) on 2015-12-17, disclosed to the SEC on 2015-12-18.
Open-market purchase of $8k CBIO by President & CEO. 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 → |
| GYRE | SELL | 2024-04-03 | $323K | — | Filing → |
| GYRE | SELL | 2024-03-19 | $690K | — | Filing → |
| CBIO | BUY | 2022-08-10 | $2K | — | Filing → |