X0609 4 2026-07-01 0001088856 CORCEPT THERAPEUTICS INC CORT 0001698310 Maduck Sean false C/O CORCEPT THERAPEUTICS INCORPORATED 101 REDWOOD SHORES PARKWAY REDWOOD CITY CA 94065 false true false false See Remarks true Common Stock 2026-07-01 4 M false 25000 8.27 A 34755 D Common Stock 2026-07-01 4 S false 11024 87.3349 D 23731 D Common Stock 2026-07-01 4 S false 2801 88.5127 D 20930 D Common Stock 2026-07-01 4 S false 11175 89.3094 D 9755 D Common Stock 5147 I See Footnote Common Stock 20570 I See Footnote Common Stock 40000 I See Footnote Common Stock 34000 I See Footnote Common Stock 10000 I See Footnote Stock option (right to buy) 8.27 2026-07-01 4 M false 25000 0.00 D 2027-02-10 Common Stock 25000 116986 D Includes 228 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 2, 2025, 205 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2025, 454 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 2, 2026 and 615 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. This transaction was made pursuant to a 10b5-1 plan adopted by the Reporting Person on December 8, 2025 in effect at the time of this transaction. Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $86.95 to $87.83 per share. Information on the exact number of shares sold at each sale price can be obtained from the Issuer upon request. Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $87.98 to $88.97 per share. Information on the exact number of shares sold at each sale price can be obtained from the Issuer upon request. Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $89.09 to $89.37 per share. Information on the exact number of shares sold at each sale price can be obtained from the Issuer upon request. 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 2025 Grantor Retained Annuity Trust of which the Reporting Person is the trustee. Represents the shares held by SNM 2026 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. Fully exercisable. 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 2026-07-06