{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-220682","form_type":"8-K","ticker":"AMG","cik":"0001004434","company_name":"AFFILIATED MANAGERS GROUP, INC.","filed_at":"2021-07-21T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.800338+00:00","generated_at":"2026-06-30T03:34:40.325977+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"positive","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"AMG appoints David C. Ryan to Board of Directors effective July 21, 2021","bullets":["David C. Ryan appointed as additional independent director of AMG's Board, effective July 21, 2021.","Ryan is a corporate advisor to Singapore-based Temasek Holdings and former Goldman Sachs partner, including President of Goldman Sachs Asia.","He also serves on the boards of ADT Inc., Mapletree Investments, and Tiga Acquisition Corp.","AMG highlights Ryan's Asia network and transaction expertise to support strategic expansion in the region."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-220682","json":"https://secwatch.observer/filing/0001193125-21-220682.json","markdown":"https://secwatch.observer/filing/0001193125-21-220682.md","text":"https://secwatch.observer/filing/0001193125-21-220682.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1004434/000119312521220682/0001193125-21-220682-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1004434/000119312521220682/d194972d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T03:34:40.325977+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":[{"claim_id":"c84f79f732","claim":"David C. Ryan was appointed as Director at AFFILIATED MANAGERS GROUP, INC..","evidence_excerpt":"On July 21, 2021, Affiliated Managers Group, Inc. (the “Company” or “AMG”) announced the appointment of David C. Ryan to its Board of Directors, as an additional independent director, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1004434/000119312521220682/0001193125-21-220682-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}