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Aon plc — 10-K Filings

30 10-K filings on record

This page lists all 10-K filings submitted to the SEC by Aon plc (AON), sorted by most recent first. Each row links to the full filing on EdgarLookup. Aon plc has filed 30 10-K documents with the SEC since 2014. To view all SEC filings by Aon plc, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 11-K 11-K/A 13F-HR 13F-HR/A 144 15-12B 15-15D 25 25-NSE 3 3/A 4 4/A 424B3 424B5 425 5 8-A12B 8-K 8-K/A 8-K12B ARS CERT CERTNYS CORRESP CT ORDER DEF 14A DEFA14A DEFM14A EFFECT FWP IRANNOTICE NO ACT POS AM PRE 14A PREM14A PRER14A S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC 14D1 SC 14D1/A SC 14F1 SC TO-C SC TO-I SC TO-I/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0001628280-26-008116 Feb 13, 2026 Dec 31, 2025
10-K 10-K 0001628280-25-006093 Feb 18, 2025 Dec 31, 2024
10-K 10-K 0001628280-24-005392 Feb 16, 2024 Dec 31, 2023
10-K 10-K 0001628280-23-004087 Feb 17, 2023 Dec 31, 2022
10-K 10-K 0001628280-22-003180 Feb 18, 2022 Dec 31, 2021
10-K 10-K 0001628280-21-002574 Feb 19, 2021 Dec 31, 2020
10-K 10-K 0001628280-20-001607 Feb 14, 2020 Dec 31, 2019
10-K 10-K 0001628280-19-001558 Feb 19, 2019 Dec 31, 2018
10-K 10-K 0001628280-18-001923 Feb 20, 2018 Dec 31, 2017
10-K 10-K 0001628280-17-001652 Feb 23, 2017 Dec 31, 2016
10-K 10-K 0001628280-16-011485 Feb 22, 2016 Dec 31, 2015
10-K 10-K 0001628280-15-000950 Feb 24, 2015 Dec 31, 2014
10-K 10-K 0001445305-14-000476 Feb 18, 2014 Dec 31, 2013
10-K 10-K 0001047469-13-001494 Feb 22, 2013 Dec 31, 2012
10-K 10-K 0001047469-12-001478 Feb 24, 2012 Dec 31, 2011
10-K 10-K 0001047469-11-001427 Feb 25, 2011 Dec 31, 2010
10-K 10-K 0001047469-10-001535 Feb 26, 2010 Dec 31, 2009
10-K 10-K 0001047469-09-002122 Mar 2, 2009 Dec 31, 2008
10-K 10-K 0001047469-08-001929 Feb 28, 2008 Dec 31, 2007
10-K 10-K 0001047469-07-001537 Mar 1, 2007 Dec 31, 2006
10-K FORM 10-K 0001047469-06-003130 Mar 9, 2006 Dec 31, 2005
10-K 10-K 0001047469-05-006608 Mar 16, 2005 Dec 31, 2004
10-K 10-K 0001047469-04-007513 Mar 11, 2004 Dec 31, 2003
10-K 10-K 0001047469-03-010294 Mar 26, 2003 Dec 31, 2002
10-K AON CORPORATION 0000948572-02-000008 Mar 15, 2002 Dec 31, 2001
10-K AON CORPORATION 0000948572-01-000011 Mar 27, 2001 Dec 31, 2000
10-K AON CORPORATION 0000948572-00-000017 Mar 24, 2000 Dec 31, 1999
10-K AON CORPORATION 0000948572-99-000007 Mar 29, 1999 Dec 31, 1998
10-K AON CORPORATION 0000948572-98-000011 Mar 31, 1998 Dec 31, 1997
10-K AON CORPORATION 0000948572-97-000010 Mar 26, 1997 Dec 31, 1996