X0609 4 2026-03-13 0 0001451809 SITIME Corp SITM 0002014208 Ahamad Samsheer false 5451 PATRICK HENRY DR. SANTA CLARA CA 95054 0 1 0 0 See Remarks 0 Common Stock 2026-03-13 4 G 0 17167 0 D 31173 D Common Stock 2026-08-20 4 F 0 1484 598.81 D 29689 D Common Stock 17167 I See Footnote On March 13, 2026, the Reporting Person made a bona fide gift for estate planning purposes of 17,167 shares of the Issuer's common stock to The Samsheer and Zarifa Ahamad Revocable Living Trust. Includes an aggregate of 24,014 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units and that have not vested. These unvested units include 11,080 restricted stock units that vest over time, and 12,934 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 The Samsheer and Zarifa Ahamad Revocable Living Trust, of which the Reporting Person is one of the managers and has voting and investment power over the shares. SVP Finance and Chief Accounting Officer This transfer of shares to the Trust in this Form 4 is being filed late due to an administrative error Samsheer Ahamad, as Attorney-in-Fact 2026-08-24