Corcept Therapeutics Insider Plans Additional Share Sale of 20K

Rhea-AI Filing Summary

Corcept Therapeutics Inc. (CORT) filed a Form 144 indicating that William Guyer intends to sell up to 20,000 common shares through broker Stifel Nicolaus on or about 08/05/2025. The shares have an estimated aggregate market value of $1.44 million, based on recent market prices. Corcept has 106.04 million shares outstanding, so the planned sale represents roughly 0.02% of total shares.

The filing also discloses that Guyer has already sold 64,301 shares in the past three months, generating $4.73 million in gross proceeds across six transactions. The forthcoming sale continues this selling trend but remains immaterial in size relative to total float. No pricing, earnings, or operational data are provided in the notice, and the signer affirms no undisclosed adverse information.

Positive

• None.

Negative

• Continued insider selling: William Guyer has sold 64,301 shares in the last three months and plans to dispose of another 20,000 shares, which could be viewed as a modest negative sentiment signal.

Insights

Securities Analyst

TL;DR: Minor insider sale; negligible dilution; neutral market impact.

The proposed 20k-share disposal equals ~0.02% of CORT’s shares outstanding and follows 64k shares sold in the prior quarter. While continued insider selling can raise questions about confidence, the absolute size is small and does not meaningfully affect supply-demand dynamics or corporate fundamentals. No price, guidance, or business updates accompany the filing, so valuation drivers remain tied to core operations rather than this notice. Overall, I view the event as routine and not materially impactful for investors.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Stifel Nicolaus & Company Inc. 501 N. Broadway St. Louis MO 63102	20000	1435400.00	106040000	08/05/2025	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	08/05/2025	Stock Option Exercise	Corcept Therapeutics Inc.			20000	08/05/2025	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
William Guyer 101 Redwood Shores Parkway Redwood City CA 94065	Common	06/10/2025	20000	1448475.00
William Guyer 101 Redwood Shores Parkway Redwood City CA 94065	Common	05/06/2025	7060	524653.00
William Guyer 101 Redwood Shores Parkway Redwood City CA 94065	Common	05/16/2025	32262	2393014.00
William Guyer 101 Redwood Shores Parkway Redwood City CA 94065	Common	07/01/2025	100	7351.00
William Guyer 101 Redwood Shores Parkway Redwood City CA 94065	Common	07/17/2025	4379	321774.00
William Guyer 101 Redwood Shores Parkway Redwood City CA 94065	Common	07/18/2025	500	36721.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

How many Corcept Therapeutics (CORT) shares are being sold under this Form 144?

The notice covers 20,000 common shares with an estimated value of $1.44 million.

What percentage of CORT’s outstanding shares does the planned sale represent?

Approximately 0.02% of the 106.04 million shares currently outstanding.

Who is selling the shares disclosed in the Form 144?

The seller is William Guyer; no additional relationship details are provided in the filing.

Has the filer sold other CORT shares recently?

Yes. Over the past three months Guyer sold 64,301 shares for gross proceeds of about $4.73 million.

When is the planned sale expected to occur?

The approximate sale date listed is 08/05/2025.

Which broker will execute the transaction?

The designated broker is Stifel Nicolaus & Company Inc.

On which exchange will the shares be sold?

The filing states the shares will be sold on the NASDAQ.