Sylvie Gregoire, Director at CUBIST PHARMACEUTICALS INC (CBST), bought 2,700 shares at $16.94 ($46K) on 2009-05-07, disclosed to the SEC on 2009-05-11.
Open-market purchase of $46k CBST by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Something here stands out, but not much.
| Filing → |
| CRVO | BUY | 2025-11-13 | $41K | — | Filing → |
| PKI | SELL | 2021-07-07 | $778K | — | Filing → |
| PKI | SELL | 2021-05-14 | $700K | — | Filing → |