Ikena Oncology Inc. filed SEC Form 8-K: Regulation FD Disclosure

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): July 25, 2025

IMAGENEBIO, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: 617-901-7098

Ikena Oncology, Inc.

645 Summer Street

Suite 101

Boston, Massachusetts

(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. ☐

Introductory Note

On July 25, 2025, the Delaware corporation formerly known as “Ikena Oncology, Inc.” completed its previously announced merger with Inmagene Biopharmaceuticals, an exempted company with limited liability incorporated and existing under the laws of the Cayman Islands (“Inmagene”), in accordance with the terms of the Agreement and Plan of Merger, dated as of December 23, 2024, by and among Ikena Oncology, Inc. (“Ikena”), Insight Merger Sub I, an exempted company with limited liability incorporated and existing under the laws of the Cayman Islands and a direct, wholly owned subsidiary of Ikena (“Merger Sub I”), Insight Merger Sub II, an exempted company with limited liability incorporated and existing under the laws of the Cayman Islands and a direct, wholly owned subsidiary of Ikena (“Merger Sub II”), and Inmagene, providing for the merger of Merger Sub I with and into Inmagene, with Inmagene surviving as a wholly owned subsidiary of Ikena (such transaction, the “First Merger”), and the subsequent merger of the surviving entity of the First Merger with and into Insight Merger Sub II, with Merger Sub II surviving as a wholly owned subsidiary of Ikena (collectively with the First Merger, the “Merger”).

Also on July 25, 2025, Ikena changed its name from “Ikena Oncology, Inc.” to “ImageneBio, Inc.” (together with its subsidiaries, the “Company”).

Item 7.01 Regulation FD Disclosure.

On July 25, 2025, the Company issued a press release announcing the completion of the Merger and others matters relating thereto. A copy of such press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in this Item 7.01 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.

(d) Exhibits.

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.