{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-394533","form_type":"8-K","ticker":"AON","cik":"0000315293","company_name":"Aon plc","filed_at":"2026-09-17T21:21:06+00:00","discovered_at":"2026-09-17T21:22:32.310220+00:00","generated_at":"2026-09-17T21:22:41.439332+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Aon issues $13.5B in senior notes to fund USI acquisition; net proceeds ~$13.4B","bullets":["Issued $11.5B USI acquisition notes: $2B 5.35% 2029, $3B 5.625% 2031, $2B 5.8% 2033, $2.75B 5.95% 2036.","Also issued $1B 6.10% 2038, $0.75B 6.45% 2046, and $2B 6.45% 2056; total $13.5B.","Net proceeds ~$13.4B to fund USI acquisition cash consideration, repay USI debt, and fees.","If USI acquisition not consummated by June 1, 2027 (extendable), USI notes redeemable at 101%."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-394533","json":"https://secwatch.observer/filing/0001193125-26-394533.json","markdown":"https://secwatch.observer/filing/0001193125-26-394533.md","text":"https://secwatch.observer/filing/0001193125-26-394533.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/315293/000119312526394533/0001193125-26-394533-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/315293/000119312526394533/d105587d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-17T21:22:41.439332+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"}