6-K 1 tm2426563d2_6k.htm FORM 6-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of March, 2025

Commission file number: 001-37891

AC IMMUNE SA

(Exact Name of Registrant as Specified in Its Charter)

| EPFL Innovation Park Building B 1015 Lausanne, Switzerland |
(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

EXHIBIT INDEX

Exhibit Number |  | Description
99.1 |  | Press Release dated March 13, 2025
99.2 |  | 2024 Annual Report

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, thereunto duly authorized.

| AC IMMUNE SA
| By: | /s/ Andrea Pfeifer
|  | Name: | Andrea Pfeifer
|  | Title: | Chief Executive Officer

| By: | /s/ Christopher Roberts
|  | Name: | Christopher Roberts
|  | Title: | Chief Financial Officer

Date: | March 13, 2025