Sean Maduck - 02 Mar 2026 Form 4 Insider Report for CORCEPT THERAPEUTICS INC (CORT)

Role
Officer
Signature
/s/ Joseph Douglas Lyon, as attorney-in-fact for Sean Maduck
Issuer symbol
CORT
Transactions as of
02 Mar 2026
Net transactions value
$0
Form type
4
Filing time
04 Mar 2026, 20:24:42 UTC
Previous filing
03 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Maduck Sean Officer C/O CORCEPT THERAPEUTICS INCORPORATED, 101 REDWOOD SHORES PARKWAY, REDWOOD CITY /s/ Joseph Douglas Lyon, as attorney-in-fact for Sean Maduck 04 Mar 2026 0001698310

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CORT Common Stock Award +454 +5.6% $35.97* 8,633 02 Mar 2026 Direct F1, F2, F3
transaction CORT Common Stock Award +454 +5.3% $0.000000* 9,087 02 Mar 2026 Direct F3, F4
transaction CORT Common Stock Tax liability -110 -1.2% $35.97* 8,977 03 Mar 2026 Direct F5, F6, F7
holding CORT Common Stock 5,147 02 Mar 2026 See Footnote F8
holding CORT Common Stock 20,570 02 Mar 2026 See Footnote F9
holding CORT Common Stock 40,000 02 Mar 2026 See Footnote F10
holding CORT Common Stock 34,000 02 Mar 2026 See Footnote F11
holding CORT Common Stock 10,000 02 Mar 2026 See Footnote F12
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Reporting Person purchased shares ("Purchase Plan Shares") of the Issuer's common stock pursuant to a purchase plan ("Purchase Plan") established under the Corcept Therapeutics Incorporated 2024 Incentive Award Plan on March 2, 2026.
F2 In accordance with the Purchase Plan, the price was established based on the closing price on the day of the purchase.
F3 Includes 266 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 3, 2025, 888 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 2, 2025, 228 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 2, 2025 and 205 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2025. 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.
F4 Shares underlie unvested restricted stock awards granted to the Reporting Person by the Issuer under the Purchase Plan. 100% of the shares underlying the restricted stock awards will vest on the one-year anniversary of the grant date provided the Reporting Person remains the beneficial owner of the Purchase Plan Shares through such one-year anniversary.
F5 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.
F6 The closing price on March 2, 2026 was used to calculate the withholding obligation.
F7 Includes 888 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 2, 2025, 228 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 2, 2025 and 205 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2025. 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.
F8 Represents the shares held by Sean and Molly Maduck Living Trust of which the Reporting Person is a co-trustee.
F9 Represents the shares held by MMM 2025, LLC of which the Reporting Person is a member and manager.
F10 Represents the shares held by SNM 2025 Grantor Retained Annuity Trust of which the Reporting Person is the trustee.
F11 Represents the shares held by SNM 2026 Grantor Retained Annuity Trust of which the Reporting Person is the trustee.
F12 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.

Remarks:

President, Corcept Endocrinology The power of attorney under which this form was signed is on file with the Commission.