AON Insider Activity

View recent SEC Form 4 insider transactions for AON, including purchases, sales, option exercises, and other insider filings.

DateInsiderTypeQuantityPriceTotal ValueShares Owned
Sep 02, 2026KNIGHT LESTER BPurchase1,739$325.63$566,270.57144,739
Sep 02, 2026KNIGHT LESTER BPurchase367$330.51$121,297.17163,000
Sep 02, 2026KNIGHT LESTER BPurchase1,440$329.69$474,753.60162,633
Sep 02, 2026KNIGHT LESTER BPurchase4,145$328.34$1,360,969.30161,193
Sep 02, 2026KNIGHT LESTER BPurchase7,212$327.52$2,362,074.24157,048
Sep 02, 2026KNIGHT LESTER BPurchase5,097$326.53$1,664,323.41149,836
Jul 28, 2026Zeidel DarrenSale700$376.00$263,200.0012,704
Jul 28, 2026Zeidel DarrenSale475$380.00$180,500.0011,504
Jul 28, 2026Zeidel DarrenSale725$378.00$274,050.0011,979
Jul 17, 2026Zeidel DarrenSale625$370.00$231,250.0014,729
Jul 17, 2026Zeidel DarrenSale650$372.00$241,800.0014,079
Jul 17, 2026Zeidel DarrenSale675$374.00$252,450.0013,404
Jul 07, 2026Zeidel DarrenSale600$360.00$216,000.0015,354
Jul 01, 2026Reese EdmundTax Withheld2,198$343.56$755,183.363,900
Jul 01, 2026Reese EdmundExercise3,975$0.00$0.006,099
Jun 25, 2026Alvarez Jose AntonioGrant776$0.00$0.001,642
Jun 25, 2026Alvarez Jose AntonioTax Withheld372$315.95$117,681.581,270
Jun 25, 2026Cai Jin-YongTax Withheld396$315.95$125,281.767,844
Jun 25, 2026Cai Jin-YongGrant776$0.00$0.008,241
Jun 25, 2026CAMPBELL JEFFREY CGrant776$0.00$0.0012,806
Jun 25, 2026CAMPBELL JEFFREY CTax Withheld186$315.95$58,840.9512,620
Jun 25, 2026FRANCIS CHERYL AGrant776$0.00$0.0029,479
Jun 25, 2026FRANCIS CHERYL ATax Withheld186$315.95$58,840.9529,293
Jun 25, 2026Jenkins Jo AnnGrant776$0.00$0.001,060
Jun 25, 2026Jenkins Jo AnnTax Withheld186$315.95$58,840.95874
Jun 25, 2026Karaboutis AdrianaGrant776$0.00$0.002,791
Jun 25, 2026Karaboutis AdrianaTax Withheld186$315.95$58,840.952,605
Jun 25, 2026KNIGHT LESTER BGrant1,488$0.00$0.005,227
Jun 25, 2026NOTEBAERT RICHARD CTax Withheld186$315.95$58,840.9528,327
Jun 25, 2026NOTEBAERT RICHARD CGrant776$0.00$0.0028,513
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