X0609 4 2026-09-24 0001088856 CORCEPT THERAPEUTICS INC CORT 0001529655 Robb Gary Charles false C/O CORCEPT THERAPEUTICS INCORPORATED 101 REDWOOD SHORES PARKWAY REDWOOD CITY CA 94065 false true false false Chief Business Officer false Common Stock 2026-09-24 4 G false 17100 0.00 D 14056 D Common Stock 2026-09-24 4 G false 5000 0.00 A 20571 I Custodial Account for Child Common Stock 2026-09-24 4 G false 5000 0.00 A 20571 I Custodial Account for Child Common Stock 39716 I Gary Charles Robb TTE Robb Revocable Trust Includes 224 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2025, 499 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 2, 2026, 776 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 1, 2026 and 164 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 1, 2026. 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. These shares are held by a child of the Reporting Person through a custodial account under the Uniform Transfers to Minors Act for which the Reporting Person is custodian. These shares are held by a child of the Reporting Person through a custodial account under the Uniform Transfers to Minors Act for which the Reporting Person is custodian. These shares are held by Gary Charles Robb TTE Robb Revocable Trust of which the Reporting Person is trustee. 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 Gary Charles Robb 2026-09-28