144 0001209874 XXXXXXXX LIVE 0001451809 SITIME Corp 001-39135 SITIME CORPORATION 5451 PATRICK HENRY DRIVE SANTA CLARA CA 95054 408-328-4400 SCHUELKE KATHERINE Director Common Charles Schwab Corp.

3000 Schwab Way Westlake TX 76262

5000 615000.00 22871540 05/23/2024 Nasdaq Common 05/20/2021 RSU Stock grants Issuer N 5227 05/20/2021 Compensation Common 11/20/2020 RSU Stock Grants Issuer N 1119 11/20/2020 Compensation Y 05/23/2024 Katherine Schuelke