{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-076041","form_type":"8-K","ticker":"AMG","cik":"0001004434","company_name":"AFFILIATED MANAGERS GROUP, INC.","filed_at":"2024-03-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.038762+00:00","generated_at":"2026-06-04T08:19:17.016036+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"AMG names Thomas Wojcik as COO and Dava Ritchea as CFO, effective April 1, 2024","bullets":["Thomas Wojcik appointed COO effective April 1, 2024; will oversee capital formation and report to CEO Jay Horgen.","Dava Ritchea appointed CFO effective April 1, 2024; succeeds Wojcik; was CFO of Sculptor Capital Management since 2021.","Ritchea receives annual base salary of $500,000 and equity grant with fair value of $3.5 million within 90 days.","Ritchea will oversee finance, accounting, and capital management; both roles become effective April 1, 2024."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-076041","json":"https://secwatch.observer/filing/0001193125-24-076041.json","markdown":"https://secwatch.observer/filing/0001193125-24-076041.md","text":"https://secwatch.observer/filing/0001193125-24-076041.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1004434/000119312524076041/0001193125-24-076041-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1004434/000119312524076041/d764304d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-04T08:19:17.016036+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":"1cf00b5cf7","claim":"Thomas M. Wojcik was appointed as Chief Operating Officer at AFFILIATED MANAGERS GROUP, INC..","evidence_excerpt":"the Company today announced the appointment of Thomas M. Wojcik as Chief Operating Officer of the Company, effective April 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1004434/000119312524076041/0001193125-24-076041-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"fc66931ce4","claim":"Dava E. Ritchea was appointed as Chief Financial Officer at AFFILIATED MANAGERS GROUP, INC..","evidence_excerpt":"The Company today also announced the appointment of Dava E. Ritchea as its next Chief Financial Officer, succeeding Mr. Wojcik, the Company’s current Chief Financial Officer, effective April 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1004434/000119312524076041/0001193125-24-076041-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}