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AC Immune SA (ACIU) Form 6-K — May 12, 2026

$ACIUForm 6-KFiled May 12, 2026, 8:13 AM ET0000950103-26-007082Original filing

Dr Andrea Pfeifer, the co-founder and CEO of AC Immune SA, has decided to retire after 23 years of service. The retirement will take effect at the upcoming Annual General Meeting (AGM) on June 11, 2026. Dr Pfeifer’s decision is not due to any disagreement with the company, and she will continue to support the transition by serving as an Advisor and Honorary Chair of the Board of Directors, as well as Co-Chair of the Scientific Advisory Board. The Board of Directors has appointed Dr Martin Zügel, the current Chair, to serve as interim CEO.

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