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Full information regarding the number of shares purchased at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer"}],"balance_after":143000,"source":{"system":"sec-edgar","filing":"0001193125-26-048871","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/315293/000119312526048871/ownership.xml","form_type":"4"}},{"id":977007,"issuer":{"id":2608,"kind":"organization","name":"Aon plc","symbol":"AON"},"owners":[{"id":2609,"kind":"person","name":"KNIGHT LESTER B","position":1,"cik":"0001023262","reported_name":"KNIGHT LESTER B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Ordinary Stock","published_at":"2025-12-09T21:03:55.000Z","date":"2025-12-05","kind":"gift","planned":false,"acquired":false,"shares":7878,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"Personal Revocable Trust"},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The reporting person transferred 7,878 Class A Ordinary Shares to a charitable foundation of which the reporting person and his spouse are trustees."}],"balance_after":26033,"source":{"system":"sec-edgar","filing":"0001193125-25-312734","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/315293/000119312525312734/ownership.xml","form_type":"4"}},{"id":1099697,"issuer":{"id":2608,"kind":"organization","name":"Aon plc","symbol":"AON"},"owners":[{"id":2609,"kind":"person","name":"KNIGHT LESTER B","position":1,"cik":"0001023262","reported_name":"KNIGHT LESTER B","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Ordinary Stock","published_at":"2025-06-30T22:29:16.000Z","date":"2025-06-26","kind":"grant","planned":false,"acquired":true,"shares":1273,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Class A Ordinary Shares granted annually to each non-employee director of Aon plc. 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