MetaCap

Aon Insider Trades

NYSE: AONFinanceSpecialty InsurersUSD

277.12+6.65 (+2.46%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
7 · $7.83M
Sales
9 · $4.72M
Shares bought / sold
24.00K / 13.79K
Net activity
Net buying $3.1 million

Aon insider activity

Over the last 12 months, Aon insiders reported 100 transactions on SEC Form 4: 7 open-market purchases and 9 sales. Insiders bought $7.8 million and sold $4.7 million worth of stock, for net insider buying of $3.1 million. The largest seller was Zeidel Darren, with $4.7 million in reported sales.

The most recent filing shows KNIGHT LESTER B (Director) buying 1,739 shares at $325.63 on Sep 2, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put AON's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

AON insider transactions

Aon insider transactions
DateInsiderTypeSharesValueFiling
Sep 2, 2026KNIGHT LESTER BDirectorBuy367$121.30KForm 4
Sep 2, 2026KNIGHT LESTER BDirectorBuy1,440$474.75KForm 4
Sep 2, 2026KNIGHT LESTER BDirectorBuy4,145$1.36MForm 4
Sep 2, 2026KNIGHT LESTER BDirectorBuy7,212$2.36MForm 4
Sep 2, 2026KNIGHT LESTER BDirectorBuy5,097$1.66MForm 4
Sep 2, 2026KNIGHT LESTER BDirectorBuy1,739$566.27KForm 4
Jul 28, 2026Zeidel DarrenGeneral CounselSale475$180.50KForm 4
Jul 28, 2026Zeidel DarrenGeneral CounselSale725$274.05KForm 4
Jul 28, 2026Zeidel DarrenGeneral CounselSale700$263.20KForm 4
Jul 17, 2026Zeidel DarrenGeneral CounselSale675$252.45KForm 4
Jul 17, 2026Zeidel DarrenGeneral CounselSale650$241.80KForm 4
Jul 17, 2026Zeidel DarrenGeneral CounselSale625$231.25KForm 4
Jul 7, 2026Zeidel DarrenGeneral CounselSale600$216.00KForm 4
Jul 1, 2026Reese EdmundChief Financial OfficerTax withholding2,198$755.18KForm 4
Jul 1, 2026Reese EdmundChief Financial OfficerOption exercise3,975—Form 4
Jun 25, 2026Karaboutis AdrianaDirectorTax withholding186$58.84KForm 4
Jun 25, 2026Karaboutis AdrianaDirectorAward776—Form 4
Jun 25, 2026Jenkins Jo AnnDirectorTax withholding186$58.84KForm 4
Jun 25, 2026Jenkins Jo AnnDirectorAward776—Form 4
Jun 25, 2026Spruell ByronDirectorTax withholding186$58.84KForm 4
Jun 25, 2026Spruell ByronDirectorAward776—Form 4
Jun 25, 2026SANTONA GLORIADirectorTax withholding186$58.84KForm 4
Jun 25, 2026SANTONA GLORIADirectorAward776—Form 4
Jun 25, 2026NOTEBAERT RICHARD CDirectorTax withholding186$58.84KForm 4
Jun 25, 2026NOTEBAERT RICHARD CDirectorAward776—Form 4
Jun 25, 2026SMITH SARAH GDirectorTax withholding186$58.84KForm 4
Jun 25, 2026SMITH SARAH GDirectorAward776—Form 4
Jun 25, 2026Cai Jin-YongDirectorTax withholding397$125.28KForm 4
Jun 25, 2026Cai Jin-YongDirectorAward776—Form 4
Jun 25, 2026STAVRIDIS JAMES G.DirectorTax withholding186$58.84KForm 4
Jun 25, 2026STAVRIDIS JAMES G.DirectorAward776—Form 4
Jun 25, 2026CAMPBELL JEFFREY CDirectorTax withholding186$58.84KForm 4
Jun 25, 2026CAMPBELL JEFFREY CDirectorAward776—Form 4
Jun 25, 2026KNIGHT LESTER BDirectorAward1,488—Form 4
Jun 25, 2026FRANCIS CHERYL ADirectorTax withholding186$58.84KForm 4
Jun 25, 2026FRANCIS CHERYL ADirectorAward776—Form 4
Jun 25, 2026Alvarez Jose AntonioDirectorTax withholding372$117.68KForm 4
Jun 25, 2026Alvarez Jose AntonioDirectorAward776—Form 4
May 12, 2026NOTEBAERT RICHARD CDirectorGift1,438—Form 4
Mar 13, 2026Goltermann LoriCEO, Regions & North AmericaTax withholding126$40.54KForm 4
Mar 13, 2026Goltermann LoriCEO, Regions & North AmericaOption exercise290—Form 4
Mar 13, 2026Goltermann LoriCEO, Regions & North AmericaTax withholding99$31.88KForm 4
Mar 13, 2026Goltermann LoriCEO, Regions & North AmericaOption exercise228—Form 4
Mar 13, 2026Corona AnneChief Commercial OfficerTax withholding77$24.77KForm 4
Mar 13, 2026Corona AnneChief Commercial OfficerOption exercise174—Form 4
Mar 13, 2026Corona AnneChief Commercial OfficerTax withholding85$27.48KForm 4
Mar 13, 2026Corona AnneChief Commercial OfficerOption exercise193—Form 4
Mar 13, 2026Marcell AndyGlobal CEO, Solution LinesTax withholding226$72.63KForm 4
Mar 13, 2026Marcell AndyGlobal CEO, Solution LinesOption exercise464—Form 4
Mar 13, 2026Marcell AndyGlobal CEO, Solution LinesTax withholding568$182.50KForm 4
Mar 13, 2026Marcell AndyGlobal CEO, Solution LinesOption exercise1,166—Form 4
Feb 26, 2026Zeidel DarrenGeneral CounselSale4,300$1.42MForm 4
Feb 19, 2026Case Gregory CPresident & CEOGift11,206—Form 4
Feb 19, 2026Case Gregory CPresident & CEOGift11,206—Form 4
Feb 19, 2026Case Gregory CPresident & CEOGift11,206—Form 4
Feb 19, 2026Case Gregory CPresident & CEOGift11,206—Form 4
Feb 19, 2026Case Gregory CPresident & CEOGift7,500—Form 4
Feb 19, 2026Case Gregory CPresident & CEOGift7,500—Form 4
Feb 18, 2026Stevens LisaChief Administrative OfficerGift32—Form 4
Feb 17, 2026Zeidel DarrenGeneral CounselSale5,040$1.64MForm 4
Feb 17, 2026Case Gregory CPresident & CEOGift3,214—Form 4
Feb 17, 2026Case Gregory CPresident & CEOGift3,214—Form 4
Feb 17, 2026Case Gregory CPresident & CEOGift3,214—Form 4
Feb 17, 2026Case Gregory CPresident & CEOGift3,214—Form 4
Feb 17, 2026Case Gregory CPresident & CEOTax withholding1,002$326.51KForm 4
Feb 17, 2026Case Gregory CPresident & CEOOption exercise2,357—Form 4
Feb 13, 2026Reese EdmundChief Financial OfficerTax withholding251$80.68KForm 4
Feb 13, 2026Reese EdmundChief Financial OfficerOption exercise598—Form 4
Feb 13, 2026Stevens LisaChief Administrative OfficerTax withholding231$74.32KForm 4
Feb 13, 2026Stevens LisaChief Administrative OfficerOption exercise478—Form 4
Feb 13, 2026Stevens LisaChief Administrative OfficerTax withholding701$225.59KForm 4
Feb 13, 2026Stevens LisaChief Administrative OfficerOption exercise1,451—Form 4
Feb 13, 2026Zeidel DarrenGeneral CounselTax withholding93$29.78KForm 4
Feb 13, 2026Zeidel DarrenGeneral CounselOption exercise209—Form 4
Feb 13, 2026Zeidel DarrenGeneral CounselTax withholding386$124.13KForm 4
Feb 13, 2026Zeidel DarrenGeneral CounselOption exercise871—Form 4
Feb 13, 2026Simon Mindy F.Chief Operating OfficerTax withholding109$35.01KForm 4
Feb 13, 2026Simon Mindy F.Chief Operating OfficerOption exercise254—Form 4
Feb 12, 2026Corona AnneChief Commercial OfficerTax withholding1,405$441.77KForm 4
Feb 12, 2026Corona AnneChief Commercial OfficerAward3,171—Form 4
Feb 12, 2026Stevens LisaChief Administrative OfficerTax withholding7,568$2.38MForm 4
Feb 12, 2026Stevens LisaChief Administrative OfficerAward15,856—Form 4
Feb 12, 2026Case Gregory CPresident & CEOTax withholding2,059$647.54KForm 4
Feb 12, 2026Case Gregory CPresident & CEOAward4,589—Form 4
Feb 12, 2026Case Gregory CPresident & CEOTax withholding32,246$10.14MForm 4
Feb 12, 2026Case Gregory CPresident & CEOAward71,868—Form 4
Feb 12, 2026Zeidel DarrenGeneral CounselTax withholding2,696$847.75KForm 4
Feb 12, 2026Zeidel DarrenGeneral CounselAward7,135—Form 4
Feb 12, 2026Goltermann LoriCEO, Regions & North AmericaTax withholding2,713$853.32KForm 4
Feb 12, 2026Goltermann LoriCEO, Regions & North AmericaAward6,937—Form 4
Feb 12, 2026Marcell AndyGlobal CEO, Solution LinesTax withholding6,576$2.07MForm 4
Feb 12, 2026Marcell AndyGlobal CEO, Solution LinesAward12,882—Form 4
Feb 12, 2026Simon Mindy F.Chief Operating OfficerTax withholding2,378$747.89KForm 4
Feb 12, 2026Simon Mindy F.Chief Operating OfficerAward5,550—Form 4
Feb 10, 2026KNIGHT LESTER BDirectorBuy4,000$1.28MForm 4
Dec 5, 2025KNIGHT LESTER BDirectorGift7,878—Form 4
Nov 21, 2025Marcell AndyGlobal CEO, Solution LinesTax withholding42$14.51KForm 4
Nov 21, 2025Marcell AndyGlobal CEO, Solution LinesOption exercise86—Form 4
Nov 21, 2025Goltermann LoriCEO, Regions & North AmericaTax withholding68$23.59KForm 4
Nov 21, 2025Goltermann LoriCEO, Regions & North AmericaOption exercise156—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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