[Form 4] CORCEPT THERAPEUTICS INC Insider Trading Activity

Rhea-AI Filing Summary

Corcept Therapeutics executive Joseph Douglas Lyon reported an open-market sale of 5,000 shares of Common Stock at $65.00 per share on May 27, 2026. After this transaction, he directly owns 6,230 shares of Corcept stock.

A footnote states that his holdings include shares underlying unvested restricted stock awards, including 749 shares granted on June 2, 2025, 200 shares granted on September 2, 2025, 178 shares granted on December 1, 2025, and 398 shares granted on March 2, 2026. These restricted stock awards are scheduled to vest on the one-year anniversary of each grant date if specified conditions are met.

Insider Trade Summary

Net Seller: 5,000 shares ($325,000)

Net Sell 1 txn

Insider Lyon Joseph Douglas

Role See Remarks

Sold 5,000 shs ($325K)

Type	Security	Shares	Price	Value
Sale	Common Stock	5,000	$65.00	$325K

Holdings After Transaction: Common Stock — 6,230 shares (Direct, null)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lyon Joseph Douglas

(Last) (First) (Middle)

C/O CORCEPT THERAPEUTICS INCORPORATED

101 REDWOOD SHORES PARKWAY

(Street)

REDWOOD CITY CALIFORNIA 94065

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CORCEPT THERAPEUTICS INC [ CORT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/27/2026		S		5,000	D	$65	6,230(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 749 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on June 2, 2025, 200 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on September 2, 2025, 178 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on December 1, 2025 and 398 shares underlying unvested restricted stock awards granted to the Reporting Person by the Issuer on March 2, 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.

Remarks:

Chief Accounting & Technology Officer

	/s/ Joseph Douglas Lyon	05/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)