X0609 4 2026-09-16 false 0001088856 CORCEPT THERAPEUTICS INC CORT 0002150104 Vieira Roberto Wandenkolk false C/O CORCEPT THERAPEUTICS INCORPORATED 101 REDWOOD SHORES PARKWAY REDWOOD CITY CA 94065 false true false false President, Oncology true Common Stock 2026-09-16 4 S false 296 100.82 D 3946 D This transaction was made pursuant to a 10b5-1 plan adopted by the Reporting Person on June 17, 2026, prior to the reporting person being appointed an officer of the Issuer, which was in effect at the time of this transaction. Includes 179 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2025, 396 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 2, 2026, 634 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 1, 2026 and 138 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. 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 Roberto Wandenkolk Vieira 2026-09-18