{"filing":{"accession_number":"0000950103-26-013536","cik":"0001651625","ticker":"ACIU","company_name":"AC Immune SA","form":"6-K","filing_date":"2026-09-03","report_date":"2026-09-03","primary_document":"dp252870_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1651625/000095010326013536/dp252870_6k.htm"},"events":[{"id":31459,"run_id":28867,"accession_number":"0000950103-26-013536","anchor_item_number":"EX-99.1","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"summary":"AC Immune SA held an Extraordinary General Meeting to propose the election of Tom Graney to the Board of Directors and the Audit and Finance Committee. Graney, who previously served on the board from 2016–2023, brings significant biotech and CFO/CEO experience to the company.","company_name":"AC Immune SA","ticker":"ACIU","filing_date":"2026-09-03","form":"6-K","submitted_at":null,"items":[{"id":34340,"accession_number":"0000950103-26-013536","item_number":"EX-99.1","item_title":"dp252870_ex9901.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The exhibit is an invitation to an Extraordinary General Meeting proposing the election of Tom Graney to the Board of Directors and the Audit and Finance Committee. The letter and agenda explicitly state \"We invite you to this Extraordinary General Meeting (EGM) to propose the election of Tom Graney to the Board of Directors (Board) and the Audit and Finance Committee (AFC).\" This is a material governance event involving the appointment of a director with significant biotech and CFO/CEO experience, and notably represents a return to the board for Graney (who previously served 2016–2023). The concurrent departure of Carl June from the Board is also disclosed but is secondary to the primary appointment action.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T11:01:45.785243+00:00","company_name":"","ticker":null,"filing_date":""}]},{"id":31460,"run_id":28867,"accession_number":"0000950103-26-013536","anchor_item_number":"EX-99.2","event_type":"governance_other","event_domain":"governance","is_material":false,"confidence":0.65,"summary":"AC Immune SA furnished proxy cards and notices for an Extraordinary General Meeting scheduled for October 2, 2026, soliciting shareholder votes on the election of a director and providing voting instructions via the Independent Proxy.","company_name":"AC Immune SA","ticker":"ACIU","filing_date":"2026-09-03","form":"6-K","submitted_at":null,"items":[{"id":34341,"accession_number":"0000950103-26-013536","item_number":"EX-99.2","item_title":"dp252870_ex9902.htm","event_type":"shareholder_vote_results","event_domain":"governance","is_material":false,"confidence":0.35,"reasoning":"This exhibit is a proxy card and notice for an Extraordinary General Meeting scheduled for October 2, 2026, not a disclosure of vote results. The document solicits shareholder votes on an agenda item (Election of Director) and provides voting instructions, but does not report the outcome of any vote. It is a pre-meeting administrative disclosure, not a post-meeting results announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T11:01:45.785243+00:00","company_name":"","ticker":null,"filing_date":""},{"id":34342,"accession_number":"0000950103-26-013536","item_number":"EX-99.3","item_title":"dp252870_ex9903.htm","event_type":"shareholder_vote_results","event_domain":"governance","is_material":false,"confidence":0.35,"reasoning":"This exhibit is a proxy card and notice for an Extraordinary General Meeting scheduled for October 2, 2026, not a disclosure of vote results. It solicits shareholder votes on an agenda item (election of director) and instructs shareholders how to vote via the Independent Proxy. Since the meeting has not yet occurred and no results are disclosed, this is a pre-meeting solicitation document, not a post-meeting results disclosure. The appropriate classification would be governance_other (a shareholder meeting notice), but the taxonomy lacks a specific \"shareholder_meeting_notice\" type.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T11:01:45.785243+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":34340,"accession_number":"0000950103-26-013536","item_number":"EX-99.1","item_title":"dp252870_ex9901.htm","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.92,"reasoning":"The exhibit is an invitation to an Extraordinary General Meeting proposing the election of Tom Graney to the Board of Directors and the Audit and Finance Committee. The letter and agenda explicitly state \"We invite you to this Extraordinary General Meeting (EGM) to propose the election of Tom Graney to the Board of Directors (Board) and the Audit and Finance Committee (AFC).\" This is a material governance event involving the appointment of a director with significant biotech and CFO/CEO experience, and notably represents a return to the board for Graney (who previously served 2016–2023). The concurrent departure of Carl June from the Board is also disclosed but is secondary to the primary appointment action.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T11:01:45.785243+00:00","company_name":"AC Immune SA","ticker":"ACIU","filing_date":"2026-09-03"},{"id":34341,"accession_number":"0000950103-26-013536","item_number":"EX-99.2","item_title":"dp252870_ex9902.htm","event_type":"shareholder_vote_results","event_domain":"governance","is_material":false,"confidence":0.35,"reasoning":"This exhibit is a proxy card and notice for an Extraordinary General Meeting scheduled for October 2, 2026, not a disclosure of vote results. The document solicits shareholder votes on an agenda item (Election of Director) and provides voting instructions, but does not report the outcome of any vote. It is a pre-meeting administrative disclosure, not a post-meeting results announcement.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T11:01:45.785243+00:00","company_name":"AC Immune SA","ticker":"ACIU","filing_date":"2026-09-03"},{"id":34342,"accession_number":"0000950103-26-013536","item_number":"EX-99.3","item_title":"dp252870_ex9903.htm","event_type":"shareholder_vote_results","event_domain":"governance","is_material":false,"confidence":0.35,"reasoning":"This exhibit is a proxy card and notice for an Extraordinary General Meeting scheduled for October 2, 2026, not a disclosure of vote results. It solicits shareholder votes on an agenda item (election of director) and instructs shareholders how to vote via the Independent Proxy. Since the meeting has not yet occurred and no results are disclosed, this is a pre-meeting solicitation document, not a post-meeting results disclosure. The appropriate classification would be governance_other (a shareholder meeting notice), but the taxonomy lacks a specific \"shareholder_meeting_notice\" type.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-03T11:01:45.785243+00:00","company_name":"AC Immune SA","ticker":"ACIU","filing_date":"2026-09-03"}]}