{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-375328","form_type":"8-K","ticker":"AON","cik":"0000315293","company_name":"Aon plc","filed_at":"2026-08-31T10:37:01+00:00","discovered_at":"2026-08-31T11:00:00.779426+00:00","generated_at":"2026-08-31T11:00:26.177511+00:00","sec_items":["1.01","7.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.95,"calibrated_materiality_score":0.95,"confidence":"high","headline":"Aon to acquire USI for $17.0B cash, creating premier U.S. middle-market platform","bullets":["Aon signs $17.0B cash deal for USI; net $16.7B after ~$278M tax attributes, ~14.5x synergized EBITDA.","Expects $395M annual run-rate net adjusted EBITDA impact from revenue and cost synergies; accretive to adjusted EPS in 2028.","USI is 10th largest U.S. broker with ~$3B revenue, 10,500+ staff, ~200 offices; expands Aon's E&S access.","Mike Sicard to become President of Aon and global CEO of Middle Market, reporting to Greg Case.","Funding via new debt; expects to keep Baa2/A- ratings; no near-term buybacks as it prioritizes de-leveraging."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-375328","json":"https://secwatch.observer/filing/0001193125-26-375328.json","markdown":"https://secwatch.observer/filing/0001193125-26-375328.md","text":"https://secwatch.observer/filing/0001193125-26-375328.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/315293/000119312526375328/0001193125-26-375328-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/315293/000119312526375328/d108801d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-31T11:00:26.177511+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}