{"url_path":"/sec/aon/8-k/2026-09-11/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-09-11","source_url":"https://www.sec.gov/Archives/edgar/data/315293/0001193125-26-388699-index.html","accession_number":"0001193125-26-388699","cik":"0000315293","ticker":"AON","issuer_name":"Aon plc","edgar_url":"https://www.sec.gov/Archives/edgar/data/315293/0001193125-26-388699-index.html","primary_entity_key":"0000315293","primary_entity_name":"Aon plc"},"word_count":651,"has_tables":true,"body_markdown":"8-K\n\nfalse 0000315293 0000315293 2026-09-11 2026-09-11 0000315293 us-gaap:CapitalUnitClassAMember 2026-09-11 2026-09-11 0000315293 aon:GuaranteesOfAonCorporationAndAonGlobalHoldingsPlcs285SeniorNotesDue2027Member 2026-09-11 2026-09-11 0000315293 aon:GuaranteesOfAonCorporationAndAonGlobalHoldingsPlcs2.05SeniorNotesDue20315Member 2026-09-11 2026-09-11 0000315293 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2026-09-11 2026-09-11 0000315293 aon:GuaranteesOfAonNorthAmericaInc.s5.150SeniorNotesDue2029Member 2026-09-11 2026-09-11 0000315293 aon:GuaranteesOfAonNorthAmericaInc.s5.300SeniorNotesDue2031Member 2026-09-11 2026-09-11 0000315293 aon:GuaranteesOfAonNorthAmericaInc.s5.450SeniorNotesDue2034Member 2026-09-11 2026-09-11 0000315293 aon:GuaranteesOfAonNorthAmericaInc.s5.750SeniorNotesDue2054Member 2026-09-11 2026-09-11\n\n \n\n \n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWashington, D.C. 20549\n\n \n\n \n\nFORM 8-K\n\n \n\n \n\nCURRENT REPORT\n\nPursuant to Section 13 or 15(d)\n\nof the Securities Exchange Act of 1934\n\nDate of report (Date of earliest event reported): September 11, 2026\n\n \n\n \n\nAon plc\n\n(Exact Name of Registrant as Specified in Charter)\n\n \n\n \n\n \n\nIreland\n \n1-7933\n \n98-1539969\n\n(State or Other Jurisdiction\n\nof Incorporation)\n\n \n\n(Commission\n\nFile Number)\n\n \n\n(IRS Employer\n\nIdentification No.)\n\n \n\n15 George’s Quay, Dublin 2, Ireland, D02 VR98\n\n(Address of principal executive offices) (Zip Code)\n\nRegistrant’s telephone number, including area code: +353 1 266 6000\n\nNot Applicable\n\n(Former Name or Former Address, if Changed Since Last Report)\n\n \n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):\n\n \n\n☐\n\nWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n☐\n\nSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n☐\n\nPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n☐\n\nPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\nTitle of each class\n\n \n\nTrading\nSymbol(s)\n\n \n\nName of each exchange\non which registered\n\nClass A Ordinary Shares $0.01 nominal value\n \nAON\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027\n \nAON27\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 2.05% Senior Notes due 2031\n \nAON31\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031\n \nAON31A\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032\n \nAON32\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 5.35% Senior Notes due 2033\n \nAON33\n \nNew York Stock Exchange\n\nGuarantees of Aon plc’s 4.25% Senior Notes due 2042\n \nAON42\n \nNew York Stock Exchange\n\nGuarantees of Aon plc’s 4.45% Senior Notes due 2043\n \nAON43\n \nNew York Stock Exchange\n\nGuarantees of Aon plc’s 4.60% Senior Notes due 2044\n \nAON44\n \nNew York Stock Exchange\n\nGuarantees of Aon plc’s 4.75% Senior Notes due 2045\n \nAON45\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 2.90% Senior Notes due 2051\n \nAON51\n \nNew York Stock Exchange\n\nGuarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052\n \nAON52\n \nNew York Stock Exchange\n\nGuarantees of Aon North America, Inc.’s 5.125% Senior Notes due 2027\n \nAON27B\n \nNew York Stock Exchange\n\nGuarantees of Aon North America, Inc.’s 5.150% Senior Notes due 2029\n \nAON29\n \nNew York Stock Exchange\n\nGuarantees of Aon North America, Inc.’s 5.300% Senior Notes due 2031\n \nAON31B\n \nNew York Stock Exchange\n\nGuarantees of Aon North America, Inc.’s 5.450% Senior Notes due 2034\n \nAON34\n \nNew York Stock Exchange\n\nGuarantees of Aon North America, Inc.’s 5.750% Senior Notes due 2054\n \nAON54\n \nNew York Stock Exchange\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\nEmerging growth company ☐\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐"}