CPRX issues Q3 and year-to-date 2025 update via press release

Rhea-AI Filing Summary

Catalyst Pharmaceuticals (CPRX) reported that it issued a press release on November 5, 2025 announcing results for the three and nine months ended September 30, 2025, along with a business update. The press release is furnished as Exhibit 99.1. This routine update signals that quarterly and year-to-date performance details are available via the attached exhibit, which also serves as the company’s formal communication of its latest operating highlights.

8-K Event Classification

2 items: 8.01, 9.01

2 items

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported): November 5, 2025

CATALYST PHARMACEUTICALS, INC.

(Exact Name Of Registrant As Specified In Its Charter)

Delaware		001-33057		76-0837053
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

355 Alhambra Circle
Suite 801
Coral Gables, Florida		33134
(Address of principal executive offices)		(Zip Code)
Registrant’s telephone number, including area code:		(305) 420-3200

Not Applicable

Former Name or Former address, if changed since last report

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class		Name of Exchange on Which Registered		Ticker Symbol
Common Stock, par value $0.001 per share		NASDAQ Capital Market		CPRX

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this Chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ☐     

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events

On November 5, 2025, the Company issued a press release announcing its results of operations for the three and nine months ended September 30, 2025 and providing a business update. A copy of the press release is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

99.1		Press release issued by the Company on November 5, 2025.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Catalyst Pharmaceuticals, Inc.
By:		/s/ Michael Kalb
		Michael Kalb
		Executive Vice President and CFO

Dated: November 5, 2025

3

FAQ

What did Catalyst Pharmaceuticals (CPRX) disclose in this 8-K?

The company announced it issued a press release with results for the three and nine months ended September 30, 2025 and a business update.

When was the Catalyst Pharmaceuticals press release issued?

It was issued on November 5, 2025.

Which periods are covered by CPRX’s results update?

The three and nine months ended September 30, 2025.

Where can investors find the detailed results for CPRX?

Details are provided in the press release attached as Exhibit 99.1.

What is included as Exhibit 99.1 for CPRX?

Exhibit 99.1 is the press release issued by the company on November 5, 2025.

What exchange lists CPRX common stock?

CPRX common stock is listed on the NASDAQ Capital Market.