144 0001275868 XXXXXXXX LIVE 0000917273 RAMBUS INC 000-22339 4453 NORTH FIRST STREET, SUITE 100 SAN JOSE CA 95134 408-462-8000 ROGGE KAREN M Director Common Charles Schwab Corp.

3000 Schwab Way Westlake TX 76262

8303 418720.00 108845179 05/15/2023 NASDAQ Common 05/03/2022 Equity Compensation Issuer N 8303 05/03/2023 Equity Compensation N Karen Rogge

4453 N. First Street, Suite 100 San Jose CA 95134

Common 05/10/2023 6321 312877.00 05/15/2023 Karen Rogge