X0508 4 2024-06-03 0001088856 CORCEPT THERAPEUTICS INC CORT 0001698310 Maduck Sean C/O CORCEPT THERAPEUTICS INCORPORATED 149 COMMONWEALTH DRIVE MENLO PARK CA 94025 false true false false See Remarks false Common Stock 2024-06-03 4 F false 823 30.17 D 84399 D Common Stock 10000 I See Footnote Common Stock 10000 I See Footnote These shares were withheld by the Issuer in order to satisfy certain tax withholding obligations in connection with the issuance of shares upon the vesting of restricted stock units. The closing price on May 31, 2024 was used to calculate the withholding obligation. Includes 456 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 1, 2023, 582 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2023 and 636 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 1, 2024. 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 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. 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 2024-06-05