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): June 2, 2026

Evommune, Inc.

(Exact Name of Registrant as Specified in Its Charter)

Registrant’s Telephone Number, Including Area Code: (925) 247-4487

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:

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. ☐

Item 5.07 Submission of Matters to a Vote of Security Holders.

On June 2, 2026, Evommune, Inc. (the “Company”) held its 2026 Annual Meeting of Stockholders (the “Annual Meeting”), at which a quorum was present. At the Annual Meeting, the stockholders of the Company voted on the following two proposals, each of which is described in more detail in the Company’s definitive proxy statement (the “Proxy Statement”) filed with the Securities and Exchange Commission on April 21, 2026:

Proposal 1 – Election of Directors

The following nominees were elected to the Company’s Board of Directors to hold office until the Company's 2029 Annual Meeting of Stockholders or until their respective successors are duly elected and qualified, or until their earlier death, resignation or removal. The votes cast at the Annual Meeting were as follows:

Proposal 2 – Ratification of Selection of Independent Registered Public Accounting Firm

The proposal to ratify the selection of BDO USA, P.C. as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 was approved based upon the following votes:

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.