SCHEDULE 13G/A 0001033427 XXXXXXXX LIVE 4 Katapult Holdings, Inc. 12/31/2025 0001785424 Katapult Holdings, Inc. 485859102 1345 AVENUE OF THE AMERICAS 11TH FL NEW YORK NY 10105 Rule 13d-1(b) IRIDIAN ASSET MANAGEMENT LLC/CT DE 920000.00 920000.00 920000.00 19.5 IA Katapult Holdings, Inc. 1345 AVENUE OF THE AMERICAS 11TH FL, NEW YORK, NEW YORK, 10105 Iridian Asset Management LLC 120 Post Road West Suite 201 Westport, CT 06880 DE N IA 920,000 19.49 920,000 920,000 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 acquired and are held in the ordinary course of business and 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. IRIDIAN ASSET MANAGEMENT LLC/CT Paul Wolt 01/02/2026