X0609 4 2026-08-17 0 0001451809 SITIME Corp SITM 0001589827 Frank Edward H. false C/O SITIME CORPORATION 5451 PATRICK HENRY DR. SANTA CLARA CA 95054 1 0 0 0 0 Common Stock 2026-08-17 4 S 0 1000 745 D 10999 D Common Stock 1000 I See Footnote Common Stock 1000 I See Footnote Includes an aggregate of 390 shares of common stock issuable pursuant to the restricted stock unit award reported pursuant to this Form 4 that has not yet vested. The reportable securities are owned directly by Whitton Anne Frank 2015 Heritage Trust, of which the Reporting Person is one of the trustees and has voting and investment power over the shares. The reportable securities are owned directly by Naomi Mantor Frank 2015 Heritage Trust, of which the Reporting Person is one of the trustees and has voting and investment power over the shares. Samsheer Ahamad, Attorney-in-fact 2026-08-19