X0508 4 2025-03-24 0001088856 CORCEPT THERAPEUTICS INC CORT 0001698310 Maduck Sean C/O CORCEPT THERAPEUTICS INCORPORATED 101 REDWOOD SHORES PARKWAY REDWOOD CITY CA 94065 false true false false See Remarks true Common Stock 2025-03-24 4 M false 1697 5.05 A 87319 D Common Stock 2025-03-24 4 S false 1697 60.58 D 85622 D Common Stock 10000 I See Footnote Common Stock 10000 I See Footnote Stock option (right to buy) 5.05 2025-03-24 4 M false 1697 0 D 2026-05-02 Common Stock 1697 121986 D Includes 458 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 3, 2024, 265 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 2, 2024 and 266 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 3, 2025. 100% of the shares underlying the restricted stock awards will vest on the one-year anniversary of the grant date provided the Reporting Person satisfies certain requirements. This transaction was made pursuant to a 10b5-1 plan adopted by the Reporting Person on September 5, 2024 in effect at the time of this transaction. Represents the shares held by Duckhill Capital, LLC of which the Reporting Person is President and disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein. Represents the shares held by Sean and Molly Maduck Living Trust of which the Reporting Person is a co-trustee. Fully exercisable. President, Corcept Endocrinology The power of attorney under which this form was signed is on file with the Commission. /s/ Joseph Douglas Lyon, as attorney-in-fact for Sean Maduck 2025-03-26