{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-206409","form_type":"8-K","ticker":"AON","cik":"0000315293","company_name":"Aon plc","filed_at":"2021-07-01T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.275592+00:00","generated_at":"2026-06-30T08:13:31.530162+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Aon appoints James Platt as COO; Anthony Goland steps down as Section 16 officer","bullets":["James Platt appointed Chief Operating Officer effective June 25, 2021; previously Business COO since September 2020.","Anthony Goland steps down as Section 16 officer but continues to lead Aon's New Ventures Group.","No familial relationships or related party transactions disclosed in connection with Platt's appointment."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-206409","json":"https://secwatch.observer/filing/0001193125-21-206409.json","markdown":"https://secwatch.observer/filing/0001193125-21-206409.md","text":"https://secwatch.observer/filing/0001193125-21-206409.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/315293/000119312521206409/0001193125-21-206409-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/315293/000119312521206409/d55212d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T08:13:31.530162+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":"29b92d239e","claim":"James Platt was appointed as Chief Operating Officer at Aon plc.","evidence_excerpt":"On June 25, 2021, Aon plc (the “Company”) appointed James Platt to the position of Chief Operating Officer of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/315293/000119312521206409/0001193125-21-206409-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":"add1895e76","claim":"Anthony Goland departed as Section 16 officer at Aon plc.","evidence_excerpt":"Also on June 25, 2021, the Company announced Anthony Goland is stepping down as a Section 16 officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/315293/000119312521206409/0001193125-21-206409-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"stepping down"},{"label":"Role","value":"Section 16 officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}