AGEN 8-K
Agenus Inc (AGEN)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
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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 August 11, 2025, Agenus Inc. announced its financial results for the quarter ended June 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 August 11, 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.
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Date: |
August 11, 2025 |
By: |
/s/ Christine M. Klaskin |
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Christine M. Klaskin, VP, Finance |
Exhibit 99.1

Agenus Announces Second Quarter 2025 Financial Results and Virtual Meeting to Discuss Strategic Progress
LEXINGTON, Mass., August 11, 2025–(BUSINESS WIRE)– Agenus Inc. (“Agenus” or the “Company”) (Nasdaq: AGEN), an immuno-oncology company focused on innovation, today reports financial results for the second quarter of 2025 and highlighted major clinical, regulatory, and operational milestones supporting the advancement of its botensilimab (BOT) and balstilimab (BAL) immunotherapy combination. Botensilimab is a next-generation, multifunctional, Fc enhanced, CTLA-4 antibody and BAL is a proprietary PD-1 antibody; together they are designed to trigger robust and durable immune attacks against “cold,” treatment-resistant tumors, offering new hope where standard therapies have failed.
“Our team is committed to advancing BOT/BAL to deliver meaningful benefits to patients with treatment-resistant cancers, and we are working with regulatory agencies to expedite access through a streamlined Phase 3 trial,” said Garo Armen, Ph.D., Chairman and Chief Executive Officer of Agenus. “With significant clinical progress, strategic partnerships, and prudent financial management, we are well-positioned to execute our vision of transforming cancer care.”
Regulatory Highlights
Exhibit 99.1
“The BOT/BAL combination is delivering durable responses and survival outcomes in refractory MSS colorectal cancer,” said Richard M. Goldberg, M.D., Chief Development Officer of Agenus. “With regulatory clarity and a focused development team, we are poised to execute the BATTMAN trial and explore earlier treatment settings to maximize patient impact.”
Strategic Partnerships
Key 2H 2025 Catalysts—Building on recent clinical, regulatory, and partnership momentum, Agenus anticipates several significant milestones in the second half of 2025:
Financial Highlights—Agenus continues to strengthen its financial position through prudent cost management and strategic capital-raising efforts in addition to Zydus collaboration, positioning the company to execute its clinical and regulatory objectives. Key financial metrics for Q2 2025 are summarized below:
Exhibit 99.1

Webcast and Conference Call Information
The Company will host a webcast and Stakeholder Briefing on August 27, 2025, to review Q2 financial results, anticipated data milestones, and the global BOT/BAL development program.
About Agenus
Agenus is a leading immuno-oncology company targeting cancer with a comprehensive pipeline of immunological agents. Founded in 1994, Agenus is advancing antibody therapeutics, adoptive cell therapies through MiNK Therapeutics, and adjuvants through SaponiQx, leveraging robust end-to-end development capabilities, including commercial and clinical cGMP manufacturing facilities and a global clinical operations footprint. Agenus is headquartered in Lexington, MA. For more information, visit www.agenusbio.com or @agenus_bio.
Agenus’ Commitment to Patient Access
Exhibit 99.1
Agenus is dedicated to making investigational medicines available to patients with cancer at the appropriate time and in the correct manner. For more information, visit www.agenusbio.com/medical-affairs/.
About Botensilimab (BOT)
Botensilimab (AGEN1181) is a next-generation, multifunctional, Fc-enhanced CTLA-4 antibody engineered to boost both innate and adaptive anti-tumor immune responses. Its unique design aims to overcome the limitations of first-generation CTLA-4 inhibitors (like ipilimumab) and extend immunotherapy benefits to “cold” tumors that typically respond poorly or not at all to standard immune checkpoint blockade. Botensilimab’s Fc-enhanced structure allows it to robustly engage activating Fc receptors on key immune cells, thereby priming and activating T cells, depleting immunosuppressive regulatory T cells in the tumor microenvironment, activating myeloid cells, and inducing long-term immune memory. Through these mechanisms, botensilimab has demonstrated the ability to ignite immune responses across a range of solid tumors, including those resistant to conventional PD-1 or CTLA-4 therapies.
To date, approximately 1,200 patients have been treated with botensilimab and/or balstilimab in Phase 1 and 2 trials. Botensilimab alone or in combination with Agenus’ investigational PD-1 antibody balstilimab has shown clinical responses in nine different metastatic cancers in late-line settings. For more information on ongoing botensilimab trials, please visit www.clinicaltrials.gov.
About Balstilimab (BAL)
Balstilimab (AGEN2034) is a novel, fully human monoclonal IgG4 antibody that blocks PD-1 (programmed cell death-1) from interacting with its ligands PD-L1 and PD-L2. By inhibiting the PD-1 checkpoint pathway, balstilimab aims to restore T-cell activity against tumors. It has been evaluated in over 900 patients to date and has demonstrated clinical activity with a favorable tolerability profile in several tumor types. Balstilimab is being studied both as a monotherapy and in combination with other agents (such as botensilimab) to expand its therapeutic impact.
Forward-Looking Statements
This press release contains forward-looking statements made pursuant to the safe harbor provisions of the federal securities laws, including statements regarding the botensilimab and balstilimab clinical programs, expected trial initiations, regulatory plans, and potential benefits of the combination therapy. These statements are subject to risks and uncertainties described in Agenus’ most recent Annual Report on Form 10-K for 2024 and subsequent Quarterly Reports on Form 10-Q filed with the SEC. Agenus cautions investors not to place undue reliance on these statements, which speak only as of the date of this announcement. The company undertakes no obligation to update or revise these statements, except as required by law.