Nicole E. Bulgarino, Director at HUDSON TECHNOLOGIES INC /NY (HDSN), bought 550 shares at $4.84 ($3K) on 2026-05-14, disclosed to the SEC on 2026-05-15.
Open-market purchase of $3k HDSN 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 → |
| AMRC | SELL | 2021-11-23 | $3.3M | — | Filing → |
| AMRC | SELL | 2021-03-08 | $1.2M | — | Filing → |
| AMRC | SELL | 2020-11-09 | $5.7M | — | Filing → |