{"filing":{"accession_number":"0001193125-26-245324","cik":"0001004434","ticker":"MGRB","company_name":"AFFILIATED MANAGERS GROUP, INC.","form":"8-K","filing_date":"2026-05-28","report_date":null,"primary_document":"d159096d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1004434/000119312526245324/d159096d8k.htm"},"events":[{"id":8448,"run_id":7414,"accession_number":"0001193125-26-245324","anchor_item_number":"5.07","event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"summary":"This Item 5.07 disclosure reports the results of the Annual Meeting of Stockholders held on May 27, 2026, including voting outcomes for three proposals: election of seven directors (each approved by 97%+ of votes cast), non-binding advisory vote on executive compensation (approved by 98% of votes cast), and ratification of PricewaterhouseCoopers LLP as independent auditor (approved by 94% of votes cast). The filing directly matches the shareholder_vote_results event type and is material as it documents stockholder approval of board composition and executive compensation arrangements.","company_name":"AFFILIATED MANAGERS GROUP, INC.","ticker":"MGRB","filing_date":"2026-05-28","form":"8-K","submitted_at":null,"items":[{"id":2337,"accession_number":"0001193125-26-245324","item_number":"5.07","item_title":null,"event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This Item 5.07 disclosure reports the results of the Annual Meeting of Stockholders held on May 27, 2026, including voting outcomes for three proposals: election of seven directors (each approved by 97%+ of votes cast), non-binding advisory vote on executive compensation (approved by 98% of votes cast), and ratification of PricewaterhouseCoopers LLP as independent auditor (approved by 94% of votes cast). The filing directly matches the shareholder_vote_results event type and is material as it documents stockholder approval of board composition and executive compensation arrangements.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-29T02:39:12.850156+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":2337,"accession_number":"0001193125-26-245324","item_number":"5.07","item_title":null,"event_type":"shareholder_vote_results","event_domain":"governance","is_material":true,"confidence":0.98,"reasoning":"This Item 5.07 disclosure reports the results of the Annual Meeting of Stockholders held on May 27, 2026, including voting outcomes for three proposals: election of seven directors (each approved by 97%+ of votes cast), non-binding advisory vote on executive compensation (approved by 98% of votes cast), and ratification of PricewaterhouseCoopers LLP as independent auditor (approved by 94% of votes cast). The filing directly matches the shareholder_vote_results event type and is material as it documents stockholder approval of board composition and executive compensation arrangements.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-29T02:39:12.850156+00:00","company_name":"AFFILIATED MANAGERS GROUP, INC.","ticker":"MGRB","filing_date":"2026-05-28"}]}