AGEN furnishes Q3 2025 results; press release filed as Exhibit 99.1

Rhea-AI Filing Summary

Agenus Inc. reported its quarterly results for the period ended September 30, 2025 and furnished the accompanying press release as Exhibit 99.1. The company submitted this information under Item 2.02 of Form 8-K.

The disclosure is designated as “furnished,” not “filed,” meaning it is not subject to Section 18 liabilities and is only incorporated by reference if expressly stated. Agenus’s common stock trades on the Nasdaq Global Market under the symbol AGEN.

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, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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

AGENUS INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware			000-29089	06-1562417
(State or Other Jurisdiction of Incorporation)			(Commission File Number)	(IRS Employer Identification No.)
3 Forbes Road
Lexington, Massachusetts				02421
(Address of Principal Executive Offices)				(Zip Code)

Registrant’s Telephone Number, Including Area Code: 781 674-4400

(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, $0.01 par value per share		AGEN		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, Agenus Inc. announced its financial results for the quarter ended September 30, 2025. In connection with the announcement, the Company issued a press release, which is being furnished as Exhibit 99.1 to this current report on Form 8-K.

The information set forth under Item 2.02 and in Exhibit 99.1 attached hereto is intended to be furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibit

The following exhibit is furnished herewith:

99.1 Press Release dated November 10, 2025

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.

Date:	November 10, 2025	By:	/s/ Christine M. Klaskin
			Christine M. Klaskin, VP Finance

FAQ

What did Agenus (AGEN) announce in this 8-K?

Agenus furnished its financial results for the quarter ended September 30, 2025 and attached a press release as Exhibit 99.1.

Which period does the update cover for AGEN?

The update covers the quarter ended September 30, 2025.

Is the information considered filed or furnished?

It is furnished under Item 2.02 and is not deemed “filed” under Section 18.

Where can I find more details on Agenus’s results?

Details are in the press release (Exhibit 99.1) furnished with the report.

What is Agenus’s trading symbol and listing?

Agenus’s common stock trades as AGEN on the Nasdaq Global Market.