COHERUS ONCOLOGY, INC._February 4, 2026

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): February 4, 2026

COHERUS ONCOLOGY, INC.

(Exact name of registrant as specified in its charter)

Delaware		001-36721		27-3615821
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification Number)

333 Twin Dolphin Drive, Suite 600

Redwood City, CA 94065

(Address of principal executive offices, including Zip Code)

Registrant’s telephone number, including area code: (650) 649-3530

N/A

(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, $0.0001 par value per share		CHRS		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 8.01 Other Events.

On February 4, 2026, Coherus Oncology, Inc. (the “Company”) announced a clinical supply agreement with Janssen Research & Development, LLC (“Janssen”), to evaluate tagmokitug (CHS-114), the Company’s investigational anti-CCR8 cytolytic monoclonal antibody, in combination with pasritamig, a T-cell engaging bispecific antibody, in a Phase 1b clinical study in patients with metastatic castration-resistant prostate cancer (mCRPC).

Under the terms of the clinical supply agreement, Janssen will provide pasritamig to the Company, who will be the sponsor of the Phase 1b clinical trial. Janssen and the Company each retain all commercial rights to their respective compounds, including as monotherapy or as combination treatments.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


Date: February 4, 2026	COHERUS ONCOLOGY, INC.

	By:	/s/ Dennis M. Lanfear
	Name:	Dennis M. Lanfear
	Title:	Chief Executive Officer