X0508 4 2026-01-08 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 false Common Stock 2026-01-08 4 G false 20570 0.00 D 39147 I See Footnote Common Stock 2026-01-08 4 J false 20570 0.00 A 20570 I See Footnote Common Stock 2026-01-08 4 G false 34000 0.00 D 5147 I See Footnote Common Stock 2026-01-08 4 J false 34000 0.00 A 34000 I See Footnote Common Stock 8179 D Common Stock 40000 I See Footnote Common Stock 10000 I See Footnote Represents the shares held by Sean and Molly Maduck Living Trust of which the Reporting Person is a co-trustee. Represents the shares held by MMM 2025, LLC of which the Reporting Person is a member and manager. Represents the shares held by SNM 2026 Grantor Retained Annuity Trust of which the Reporting Person is the trustee. Includes 266 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 3, 2025, 888 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 2, 2025, 228 underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 2, 2025 and 205 underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 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. Represents the shares held by SNM 2025 Grantor Retained Annuity Trust of which the Reporting Person is the trustee. 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. 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 2026-02-13