Frank Witney, Director at CERUS CORP (CERS), bought 20,000 shares at $1.89 ($38K) on 2024-05-09, disclosed to the SEC on 2024-05-10.
Open-market purchase of $38k CERS by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade B.
Something here stands out, but not much.
| Filing → |
| AFFX | SELL | 2015-07-10 | $690K | — | Filing → |
| AFFX | SELL | 2015-06-29 | $842K | — | Filing → |
| AFFX | SELL | 2015-06-05 | $884K | — | Filing → |