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Who

Lester B. Knight

Director

Company insider

Files Form 4 as: Director, Aon.

Every Form 4 they filed

In numbers

Trades disclosed
121
Buys
17
Sells
0
Bought
$85.1M
Sold
$0
Companies
1
Companies where not an officer
1
First trade
17 Mar 2006
Last trade
2 Sep 2026
Last filed
3 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
AON AonDirector · Insurance · last 2 Sep 202617 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$566K1,739 at $325.63filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$1.7M5,097 at $326.53filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$2.4M7,212 at $327.52filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$1.4M4,145 at $328.34filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$475K1,440 at $329.69filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$121K367 at $330.51filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$566K1,739 at $325.63filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$1.7M5,097 at $326.53filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$2.4M7,212 at $327.52filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$1.4M4,145 at $328.34filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$475K1,440 at $329.69filing
2 Sep 2026filed 3 Sep 2026AON AonInsuranceSEC FORM 4 Bought$121K367 at $330.51filing
25 Jun 2026filed 29 Jun 2026AON AonInsuranceSEC FORM 4 Code A—1,488filing
25 Jun 2026filed 29 Jun 2026AON AonInsuranceSEC FORM 4 Code A—1,488filing
10 Feb 2026filed 12 Feb 2026AON AonInsuranceSEC FORM 4 Bought$1.3M4,000 at $319.24filing
10 Feb 2026filed 12 Feb 2026AON AonInsuranceSEC FORM 4 Bought$1.3M4,000 at $319.24filing
5 Dec 2025filed 9 Dec 2025AON AonInsuranceSEC FORM 4 Code G—7,878 at $0.00filing
26 Jun 2025filed 30 Jun 2025AON AonInsuranceSEC FORM 4 Code A—1,273filing
6 Aug 2024filed 8 Aug 2024AON AonInsuranceSEC FORM 4 Code J—55,000 at $0.00filing
20 Jun 2024filed 24 Jun 2024AON AonInsuranceSEC FORM 4 Code A—1,517filing

News

Brighthouse Financial (NASDAQ:BHF) vs. AON (NYSE:AON) Financial ContrastAON · tickerreport.com · 18 Oct 2026AON (NYSE:AON) Stock Gets Price Target Reduction from Keefe, Bruyette & WoodsAON · themarketsdaily.com · 15 Oct 2026

0 headlines in the last 90 days name Lester B. Knight; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Financials17

Buys in green, sells in red, by the company’s sector.

Related people

Darren ZeidelGeneral Counsel · General Counsel at Aon, filing Form 4 there in the last year
Edmund ReeseChief Financial Officer · Chief Financial Officer at Aon, filing Form 4 there in the last year
Gloria SantonaDirector · Director at Aon, filing Form 4 there in the last year
Jeffrey C. CampbellDirector · Director at Aon, filing Form 4 there in the last year
Cheryl A. FrancisDirector · Director at Aon, filing Form 4 there in the last year