Houghton Kathleen (CIK 1824104) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-12). Recent activity: Buy HDSN (120,000 shares), Sell HDSN (44,873 shares), Buy HDSN (47,619 shares), Sell HDSN (21,797 shares), Buy HDSN (50,888 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-12 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Sr. VP-Sales and Marketing | Buy | 120,000 | $90,000 |
| 2026-01-12 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Sr. VP-Sales and Marketing | Sell | 44,873 | $318,598 |
| 2026-01-12 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Sr. VP-Sales and Marketing | Buy | 47,619 | $76,190 |
| 2026-01-12 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Sr. VP-Sales and Marketing | Sell | 21,797 | $154,759 |
| 2026-01-12 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Sr. VP-Sales and Marketing | Buy | 50,888 | $193,883 |
| 2026-01-12 | HUDSON TECHNOLOGIES INC /NY (HDSN) | Sr. VP-Sales and Marketing | Sell | 34,382 | $244,112 |
Source: SEC Form 4 filings · as of 2026-01-12