X0202 SCHEDULE 13G 0001597857 XXXXXXXX LIVE Common Stock, par value $0.01 06/05/2026 0000925528 HUDSON TECHNOLOGIES INC /NY 444144109 PO BOX 1541 ONE BLUE HILL PLAZA, 14TH FLOOR PEARL RIVER NY 10965 Rule 13d-1(c) Hartree Partners, LP DE 3800000.00 0.00 3800000.00 0.00 3800000.00 N 9.0 PN HUDSON TECHNOLOGIES INC /NY PO BOX 1541, ONE BLUE HILL PLAZA, 14TH FLOOR, PEARL RIVER, NY 10965 This statement is filed by Hartree Partners, LP, a Delaware limited partnership ("Hartree Partners" or the "Reporting Person"). The Reporting Person initially filed a Schedule 13G with respect to the shares of Common Stock, par value $0.01 per share (the "Shares"), of the Issuer on March 12, 2025. Subsequently, on December 8, 2025, the Reporting Person's investment intent changed with respect to the securities of the Issuer and the Reporting Persons filed a Schedule 13D on December 10, 2025 in accordance with Rule 13d-1(e) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). As of the date hereof, the Reporting Person no longer hold securities of the Issuer with a purpose or effect of changing or influencing control of the Issuer, or in connection with or as a participant in any transaction having that purpose or effect. Accordingly, the Reporting Person is filing this statement on Schedule 13G pursuant to Rule 13d-1(c) of the Exchange Act in accordance with Rule 13d-1(h) of the Exchange Act. 1185 Avenue of the Americas, New York, NY 10036 Delaware 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 06/05/2026