Septerna (SEPN) furnishes Q3 2025 results press release (8-K)

Septerna, Inc. (SEPN) filed an 8-K announcing results and business highlights for the quarter ended September 30, 2025.

Rhea-AI Filing Summary

Septerna, Inc. (SEPN) filed an 8-K announcing results and business highlights for the quarter ended September 30, 2025. The company furnished a press release as Exhibit 99.1 detailing the update.

The information under Item 2.02, including Exhibit 99.1, is being furnished, not deemed “filed” under the Exchange Act. Septerna’s common stock trades on the Nasdaq Global Market under the symbol SEPN.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

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

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Septerna (SEPN) announce in this 8-K?

Septerna announced its financial results and business highlights for the quarter ended September 30, 2025, with details furnished in Exhibit 99.1.

Which period does the Septerna update cover?

The update covers the quarter ended September 30, 2025.

Where can I find the full details of SEPN’s results?

Full details are in the press release furnished as Exhibit 99.1 to the 8-K.

Is the information considered filed or furnished?

The Item 2.02 information, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act.

What is Septerna’s trading symbol and exchange?

Septerna’s common stock trades as SEPN on The Nasdaq Global Market.

What exhibits are included with the 8-K?

Exhibit 99.1 (press release dated November 10, 2025) and Exhibit 104 (Cover Page Inline XBRL).

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/10/2025 - 08:42 AM EST Learn about SEC filing dates

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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 10, 2025

Septerna, Inc.

(Exact name of Registrant as Specified in Its Charter)

Delaware			001-42382	84-3891440
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
250 East Grand Avenue
South San Francisco, California				94080
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 650 338-3533

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 CFR 240.14d-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		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, par value $0.001 per share		SEPN		The Nasdaq Global Market

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 2.02 Results of Operations and Financial Condition.

On November 10, 2025, Septerna, Inc. (the “Company”) announced its financial results and business highlights for the quarter ended September 30, 2025. A copy of the press release issued in connection with the announcement is being furnished as Exhibit 99.1 to this Current Report of Form 8-K.

The information included under Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

99.1		Press Release issued by Septerna, Inc. on November 10, 2025, furnished herewith.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

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

			Septerna, Inc.
Date:	November 10, 2025	By:	/s/ Jeffrey Finer, M.D., Ph.D.
			Jeffrey Finer, M.D., Ph.D. Chief Executive Officer