X0609 4 2026-08-20 0 0001451809 SITIME Corp SITM 0001339076 VASHIST RAJESH false C/O SITIME CORPORATION 5451 PATRICK HENRY DR. SANTA CLARA CA 95054 1 1 0 0 Chief Executive Officer 0 Common Stock 2026-08-20 4 F 0 29054 598.81 D 358844 D Common Stock 9781 I See Footnote Common Stock 25809 I See Footnote Common Stock 25809 I See Footnote Includes an aggregate of 234,434 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units that have not vested. These unvested units include 76,217 restricted stock units that vest over time, and 158,217 performance-based restricted stock units that vest based on certain absolute and relative price performance of the issuer's common stock over various performance periods. The reportable securities are owned directly by Aldebran Constellation LLC, of which the Reporting Person is one of the managers and has voting and investment power over the shares. The reportable securities are owned directly by Aldebran Rajesh Family Dynasty Trust DTD 09/23/2021, of which the Reporting Person is one of the managers and has voting and investment power over the shares. The reportable securities are owned directly by Aldebran Rohini Family Dynasty Trust DTD 09/23/2021, of which the Reporting Person is one of the managers and has voting and investment power over the shares. Samsheer Ahamad, Attorney-in-fact 2026-08-24