David L. Mahoney - 18 Aug 2026 Form 4 Insider Report for CORCEPT THERAPEUTICS INC (CORT)

Reporting relationship: Director
Issuer ticker: CORT
Reported as of: 18 Aug 2026
Net transaction value: -$12,251,411
SEC form: 4
Accepted by SEC: 20 Aug 2026, 16:30:08 UTC
Prior SEC filing: 18 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Joseph Douglas Lyon, as attorney-in-fact for David L Mahoney

Key filing fact

David L. Mahoney filed Form 4 for CORCEPT THERAPEUTICS INC (CORT) on 20 Aug 2026.

Key facts

This page summarizes David L. Mahoney's Form 4 filing for CORCEPT THERAPEUTICS INC (CORT).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 20 Aug 2026, 16:30.

Change

Previous filing in this sequence was filed on 18 Jun 2026.
Current net transaction value: -$12,251,411.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001224091 Primary reporting owner

MAHONEY DAVID L

Relationship: Director
Address: C/O CORCEPT THERAPEUTICS INCORPORATED, 101 REDWOOD SHORES PARKWAY, REDWOOD CITY
Signature: /s/ Joseph Douglas Lyon, as attorney-in-fact for David L Mahoney
Signature date: 20 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CORT transaction

Common Stock

Sale

Transaction value: $585,478
Shares: -4,984
Change %: -0.4%
Price: $117.47
Shares after: 1,232,161
Date: 18 Aug 2026
Ownership: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust
Footnotes: F1, F2

CORT transaction

Common Stock

Sale

Transaction value: $10,779,367
Shares: -91,167
Change %: -7.4%
Price: $118.24
Shares after: 1,140,994
Date: 18 Aug 2026
Ownership: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust
Footnotes: F1, F3

CORT transaction

Common Stock

Sale

Transaction value: $838,710
Shares: -7,055
Change %: -0.62%
Price: $118.88
Shares after: 1,133,939
Date: 18 Aug 2026
Ownership: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust
Footnotes: F1, F4

CORT transaction

Common Stock

Sale

Transaction value: $47,855
Shares: -400
Change %: -0.04%
Price: $119.64
Shares after: 1,133,539
Date: 18 Aug 2026
Ownership: Held by David L. Mahoney and Winnifred C. Ellis 1998 Family Trust
Footnotes: F1, F5

CORT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 26,147
Date: 18 Aug 2026
Ownership: The Black Dog Private Foundation

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 5 footnotes

Footnote F1

This transaction was made pursuant to a 10b5-1 plan adopted by the Reporting Person on May 11, 2026 in effect at the time of this transaction.

Footnote F2

Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $116.595 to $117.59. Information on the exact number of shares sold at each sale price can be obtained from the issuer upon request.

Footnote F3

Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $117.60 to $118.595. Information on the exact number of shares sold at each sale price can be obtained from the issuer upon request.

Footnote F4

Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $118.60 to $119.345. Information on the exact number of shares sold at each sale price can be obtained from the issuer upon request.

Footnote F5

Represents the weighted average sale price for the entire number of shares sold. The actual sale prices range from $119.605 to $119.6775. Information on the exact number of shares sold at each sale price can be obtained from the issuer upon request.

SEC remarks

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