SCHEDULE 13G/A 0000899140-25-000415 0001597857 XXXXXXXX LIVE 1 Common Stock 03/31/2025 0000925528 HUDSON TECHNOLOGIES INC /NY 444144109 300 Tice Boulevard Suite 290 Woodcliff Lake NJ 07677 Rule 13d-1(c) Hartree Partners, LP b DE 4000000 0 4000000 0 4000000 N 9.1 PN HUDSON TECHNOLOGIES INC /NY 300 Tice Boulevard, Suite 290, Woodcliff Lake, New Jersey, 07677 Hartree Partners, LP 1185 Avenue of the Americas, New York, NY 10036 United States of America Y See cover page See cover page See cover page 0 See cover page 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Hartree Partners, LP /s/ Christine Stevenson 05/14/2025