David P. Hochman, Director at Corbus Pharmaceuticals Holdings, Inc. (CRBP), bought 5,000 shares at $6.55 ($33K) on 2017-11-15, disclosed to the SEC on 2017-11-16.
Open-market purchase of $33k CRBP 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 C.
Something here stands out, but not much.
| Filing → |
| OBIO | BUY | 2026-05-19 | $19K | — | Filing → |
| OBIO | BUY | 2026-03-16 | $43K | — | Filing → |
| OBIO | BUY | 2025-11-17 | $20K | — | Filing → |