{"filing":{"accession_number":"0001193125-26-375328","cik":"0000315293","ticker":"AON","company_name":"Aon plc","form":"8-K","filing_date":"2026-08-31","report_date":"2026-08-30","primary_document":"d108801d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/315293/000119312526375328/d108801d8k.htm"},"events":[{"id":30472,"run_id":27922,"accession_number":"0001193125-26-375328","anchor_item_number":"1.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"summary":"Aon plc entered into a definitive Agreement and Plan of Merger on August 30, 2026, to acquire USI Advantage Corp. for $17 billion in cash, establishing a premier U.S. middle-market platform with expected annual synergies of $395 million and accretion to adjusted EPS in 2028, subject to regulatory approvals and expected to close in Q4 2026.","company_name":"Aon plc","ticker":"AON","filing_date":"2026-08-31","form":"8-K","submitted_at":null,"items":[{"id":33073,"accession_number":"0001193125-26-375328","item_number":"1.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"Aon plc entered into a definitive Agreement and Plan of Merger on August 30, 2026, to acquire USI Advantage Corp. for $17 billion in cash. This is a material acquisition disclosed under Item 1.01 (Entry into a Material Definitive Agreement). The transaction is substantial in size, strategically significant (establishing a premier U.S. middle-market platform), and expected to close in Q4 2026, subject to regulatory approvals. The press release confirms board approval and identifies $395 million in expected annual synergies.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-31T11:03:09.538088+00:00","company_name":"","ticker":null,"filing_date":""},{"id":33074,"accession_number":"0001193125-26-375328","item_number":"7.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"Aon announced execution of a definitive merger agreement to acquire USI for $17.0 billion, establishing a premier U.S. middle-market platform. The press release explicitly states \"Aon to acquire USI\" and describes a material acquisition with significant strategic and financial rationale, including $395 million in annual run-rate synergies and expected accretion to adjusted EPS in 2028. This is a classic material acquisition disclosure under Item 1.01/2.01 framework, disclosed via Item 7.01 Regulation FD.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-31T11:03:09.538088+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":33073,"accession_number":"0001193125-26-375328","item_number":"1.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"Aon plc entered into a definitive Agreement and Plan of Merger on August 30, 2026, to acquire USI Advantage Corp. for $17 billion in cash. This is a material acquisition disclosed under Item 1.01 (Entry into a Material Definitive Agreement). The transaction is substantial in size, strategically significant (establishing a premier U.S. middle-market platform), and expected to close in Q4 2026, subject to regulatory approvals. The press release confirms board approval and identifies $395 million in expected annual synergies.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-31T11:03:09.538088+00:00","company_name":"Aon plc","ticker":"AON","filing_date":"2026-08-31"},{"id":33074,"accession_number":"0001193125-26-375328","item_number":"7.01","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.99,"reasoning":"Aon announced execution of a definitive merger agreement to acquire USI for $17.0 billion, establishing a premier U.S. middle-market platform. The press release explicitly states \"Aon to acquire USI\" and describes a material acquisition with significant strategic and financial rationale, including $395 million in annual run-rate synergies and expected accretion to adjusted EPS in 2028. This is a classic material acquisition disclosure under Item 1.01/2.01 framework, disclosed via Item 7.01 Regulation FD.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-31T11:03:09.538088+00:00","company_name":"Aon plc","ticker":"AON","filing_date":"2026-08-31"}]}