X0306 4 2022-04-15 0 0001405495 InterDigital, Inc. IDCC 0001854214 Chen Lawrence Liren 200 BELLEVUE PKWY WILMINGTON DE 19809 1 1 0 0 President and CEO Common Stock 2022-04-15 4 F 0 2552 60.91 D 107356.4471 D Common Stock 2022-04-15 4 D 0 0.2125 60.91 D 107356.2346 D The transaction reported reflects the withholding of restricted stock units in satisfaction of the reporting person's tax liability. The restricted stock units were granted to the reporting person on April 15, 2021 pursuant to the company's long-term compensation program and vested on April 15, 2022, together with accrued dividend equivalents. The transaction reported reflects the cash settlement of fractional shares in connection with the vesting of restricted stock units, as described in Note 1. /s/ Ariel E. Greenstein, Attorney-in-Fact for Lawrence Liren Chen 2022-04-19