X0609 4 2026-09-16 0 0000925528 HUDSON TECHNOLOGIES INC /NY HDSN 0001597857 Hartree Partners, LP false 1185 AVE OF THE AMERICAS NEW YORK NY 10036 0 0 1 0 0 Common Stock, par value $0.01 2026-09-16 4 P 0 11136 5.10 A 5216453 D The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein, and this report shall not be deemed to be an admission that the Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Hartree Partners, LP, By: /s/ Christine Stevenson, Chief Compliance Officer 2026-09-18