X0609 4 2026-08-17 false 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 2026-08-17 4 G false 125 0.00 D 13426 D Common Stock 2026-08-17 4 S false 10000 116.2572 D 39716 I Gary Charles Robb TTE Robb Revocable Trust Common Stock 15571 I Custodial Account for Child Common Stock 15571 I Custodial Account for Child Includes 251 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 2, 2025, 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 and 776 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 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. Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $116.00 to $116.54 per share. Information on the exact number of shares sold at each sale price can be obtained from the issuer upon request. These shares are held by Gary Charles Robb TTE Robb Revocable Trust of which the Reporting Person is trustee. 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. 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 2026-08-18