X0206 3 2026-01-30 0 0000925528 HUDSON TECHNOLOGIES INC /NY HDSN 0002107144 Stoody Robert C/O HUDSON TECHNOLOGIES, INC. 300 TICE BOULEVARD, SUITE 290 WOODCLIFF LAKE NJ 07677 0 1 0 0 Senior VP - Operations Common Stock 70047 I By Stoody Family Trust Stock Option 10.09 2023-03-01 2026-03-01 Common Stock 38147 D Stock Option 14.89 2024-02-27 2027-02-27 Common Stock 5902 D Stock Option 5.95 2030-03-13 Common Stock 24849 D Vests on December 31, 2027 dependent upon achievement of stock price and earnings per share targets. /s/ Robert Stoody 2026-02-02