Agenus Principal Accounting Officer to Resign

Agenus Inc. reported that its Senior Director, Financial Reporting and Compliance and Principal Accounting Officer, Austin Charette, has decided to resign.

Rhea-AI Filing Summary

Agenus Inc. reported that its Senior Director, Financial Reporting and Compliance and Principal Accounting Officer, Austin Charette, has decided to resign. He informed the company on May 12, 2026, and his resignation will be effective May 29, 2026. The filing does not describe any replacement or changes to broader strategy, focusing solely on this leadership transition in the finance function.

8-K Event Classification

Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers

1 item

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Key Figures

Notice date of resignation: May 12, 2026 Effective resignation date: May 29, 2026

2 metrics

Notice date of resignation May 12, 2026 Date Austin Charette informed Agenus of his resignation

Effective resignation date May 29, 2026 Date Austin Charette’s resignation becomes effective

Key Terms

Principal Accounting Officer, Item 5.02, Emerging growth company

3 terms

Principal Accounting Officer financial

"Senior Director, Financial Reporting and Compliance and Principal Accounting Officer of Agenus Inc."

The Principal Accounting Officer is the person responsible for making sure a company's financial records are accurate and follow the rules. They play a key role in preparing financial reports that show how well the company is doing. This helps investors, managers, and regulators trust the company's financial information.

Item 5.02 regulatory

"Item 5.02 Departure of Directors or Certain Officers; Election of Directors;"

Emerging growth company regulatory

"Emerging growth company Item 5.02 Departure of Directors or Certain Officers;"

An emerging growth company is a recently public or smaller public firm that qualifies for temporary, lighter regulatory and disclosure rules to reduce the cost and effort of being public. For investors, it means the company may provide less historical financial detail and face fewer reporting requirements than larger firms, so it can grow more quickly but also carries higher uncertainty—like buying a promising early-stage product with fewer user reviews.

FAQ

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

What leadership change did Agenus (AGEN) disclose in this 8-K filing?

Agenus disclosed that Austin Charette, its Senior Director, Financial Reporting and Compliance and Principal Accounting Officer, will resign. He notified the company on May 12, 2026, and his resignation becomes effective May 29, 2026.

When will Agenus (AGEN) Principal Accounting Officer Austin Charette’s resignation take effect?

His resignation is effective May 29, 2026. Agenus states that he informed the company of his decision on May 12, 2026, giving a short transition window before his departure from the Principal Accounting Officer role.

What position did Austin Charette hold at Agenus (AGEN) before resigning?

Austin Charette served as Senior Director, Financial Reporting and Compliance and Principal Accounting Officer. This means he oversaw key accounting and reporting responsibilities for Agenus prior to notifying the company of his resignation effective May 29, 2026.

Does the Agenus (AGEN) 8-K state who will replace the Principal Accounting Officer?

The filing does not name a replacement for the Principal Accounting Officer role. It only reports the planned resignation of Austin Charette and the effective date of his departure, without additional details on succession or interim arrangements.

What SEC item does Agenus (AGEN) use to report the officer resignation?

Agenus reports the resignation under Item 5.02, which covers departures of directors or certain officers, appointments of new officers, and related compensatory arrangements. This item is used for material changes in key leadership positions.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:08 PM EDT Learn about SEC filing dates

0001098972false00010989722026-05-122026-05-12

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): May 12, 2026

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 Stock 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Departure of Principal Accounting Officer

On May 12, 2026, Austin Charette, Senior Director, Financial Reporting and Compliance and Principal Accounting Officer of Agenus Inc. (the "Company"), informed the Company he will be resigning effective May 29, 2026.

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.

			Agenus Inc.
Date:	May 15, 2026	By:	/s/ Garo H. Armen
			Garo H. Armen, Chairman and CEO

Filing Exhibits & Attachments

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