Parrillo Richard (CIK 1620726) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-21). Recent activity: Buy HDSN (10,000 shares), Buy HDSN (3,600 shares), Buy HDSN (1,400 shares), Buy HDSN (3,182 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-21 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Director | Buy | 10,000 | $48,257 |
| 2026-05-15 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Director | Buy | 3,600 | $17,856 |
| 2026-05-15 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Director | Buy | 1,400 | $6,958 |
| 2025-06-20 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Director | Buy | 3,182 | $0 |
Source: SEC Form 4 filings · as of 2026-05-21