Richard Parrillo, Director at HUDSON TECHNOLOGIES INC /NY (HDSN), bought 5,000 shares at $4.96 ($25K) on 2026-05-14, disclosed to the SEC on 2026-05-15.
Open-market purchase of $25k 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 D.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $4.96 | 3,600 | $18K | 72.0% |
| 2 | $4.97 | 1,400 | $7K | 28.0% |
| Total | $4.96 avg | 5,000 | $25K | 100% |
| Filing → |
| HDSN | BUY | 2018-05-31 | $57K | — | Filing → |
| HDSN | BUY | 2017-12-19 | $58K | — | Filing → |
| HDSN | SELL | 2016-08-16 | $170K | — | Filing → |