SCHEDULE 13G/A 0001386060 XXXXXXXX LIVE 1 Common Stock 03/31/2025 0001405495 INTERDIGITAL INC 45867G101 200 BELLEVUE PARKWAY SUITE 300 WILMINGTON DE 19809-3727 Rule 13d-1(b) Boston Partners DE 1050687 0 1137997 0 1137997 N 4.43 IA INTERDIGITAL INC 200 BELLEVUE PARKWAY SUITE 300 WILMINGTON, DELAWARE 19809-3727 Boston Partners ONE BEACON STREET 30TH FLOOR BOSTON, Massachusetts 02108 Boston Partners - DELAWARE N IA 1,137,997 4.43 Boston Partners - 1,050,687 Boston Partners - 0 Boston Partners - 1,137,997 Boston Partners - 0 N 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. Boston Partners /s/Akiko Lindholm 05/12/2025