{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-047590","form_type":"8-K","ticker":"AMG","cik":"0001004434","company_name":"AFFILIATED MANAGERS GROUP, INC.","filed_at":"2026-02-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.372604+00:00","generated_at":"2026-05-16T02:53:28.918688+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"AMG President and COO Thomas Wojcik to step down effective March 6, 2026","bullets":["Thomas M. Wojcik departs as President and COO; responsibilities allocated to other senior leaders.","Wojcik receives $5.025M cash in 2026 and up to $11.05M in Q1 2027 subject to separation conditions.","All outstanding unvested equity awards cancelled on departure date; no 2025 or 2026 incentive compensation.","No replacement named; no severance beyond the described cash payments."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-047590","json":"https://secwatch.observer/filing/0001193125-26-047590.json","markdown":"https://secwatch.observer/filing/0001193125-26-047590.md","text":"https://secwatch.observer/filing/0001193125-26-047590.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1004434/000119312526047590/0001193125-26-047590-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1004434/000119312526047590/d905353d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T02:53:28.918688+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}