ImageneBio Inc. filed SEC Form 8-K: Termination of a Material Definitive Agreement, Entry into a Material Definitive Agreement

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): October 23, 2025

IMAGENEBIO, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (858) 345-6265

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:

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

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. ☐

On October 23, 2025, we provided written notice (the “Notice”) of our election to (i) not have that certain transition services agreement, dated July 25, 2025 (the “Agreement”) with Miragene Inc., an exempted company with limited liability incorporated and existing under the laws of the Cayman Islands (“Miragene”), automatically renew under the current service terms and (ii) extend the term for six months following the end of the initial term for a subset of the original services, including services related to chemistry, manufacturing and controls, translational sciences research and support (the “Miragene Extension Services”). The total fees payable to Miragene for the Miragene Extension Services are $200,000.

To the extent required by Item 1.02 of Form 8-K, the information contained in Item 1.01 is incorporated by reference herein.

SIGNATURE

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.