undamentalytics Newsletter

Aon plc insider trading

Every open-market purchase and sale by Aon plc's officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Aon plc insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Aon plc’s insiders pay?

From March 1, 2010 to September 3, 2026, 26 insiders reported 22 open-market purchases and 77 sales not made under a pre-set plan in Aon plc. Twelve months after each purchase was reported, the shares were +8.3% against the S&P 500 on average (median +10.8%), over 20 purchases with a full year of prices; 85% beat the index. After sales, the shares moved +4.6% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on December 2, 2010 into $81,609 by November 2, 2026, +14.1% a year. It held shares 80% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $58,665 (+11.8% a year), and held throughout $81,743 (+14.1%).

$0$25.0k$50.0k$75.0k 201020122014201620182020202220242026 $81.7k$81.6k$58.7k
Copying Aon plc's insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Aon plc's insiders from December 2, 2010, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 80% of the time.
Aon plc: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Knight Lester B Director 14 +9.2% (12) 92% 0 — September 3, 2026
Mcgill Stephen P Chairman/CEO - ARS 0 — — 8 +8.3% (8) August 3, 2016
Meissner Laurel G. SVP & Global Controller 0 — — 8 +6.5% (8) December 4, 2017
Neller Michael Principal Accounting Officer 0 — — 8 +5.9% (8) February 20, 2024
Andersen Eric President 0 — — 7 +1.5% (7) March 5, 2024
Woo Carolyn Y Director 0 — — 6 +6.1% (6) May 29, 2020
Davies Christa Chief Financial Officer 0 — — 5 +6.2% (5) February 20, 2024
Lieb Peter M General Counsel 0 — — 5 +0.2% (5) May 1, 2019
Besio Gregory J EVP/Chief HR Officer 0 — — 4 +8.9% (4) May 10, 2013
Spruell Byron Director 4 −2.8% (4) 50% 0 — August 29, 2024
Stevens Lisa Chief Administrative Officer 0 — — 4 −0.1% (4) November 29, 2024
Bruno John G Chief Operating Officer 1 +17.9% (1) 100% 2 −4.1% (2) November 10, 2020
Goland Anthony R Chief Innovation Officer 0 — — 3 −5.9% (3) February 19, 2020
O'connor Michael J ARS - COO 0 — — 3 +16.2% (3) May 16, 2013
Zeidel Darren General Counsel 0 — — 3 −3.8% (1) March 2, 2026
Case Gregory C President & CEO 0 — — 2 +10.3% (2) February 28, 2014
Clement Philip Global Chief Marketing Officer 0 — — 2 +11.8% (2) August 10, 2012
Losh J Michael Director 0 — — 2 −3.0% (2) August 19, 2021
Campbell Jeffrey C Director 1 +28.5% (1) 100% 0 — August 8, 2018
Conti Fulvio Director 0 — — 1 +2.7% (1) February 18, 2014
Fradin Russell P CEO/Chair - Aon Hewitt 0 — — 1 +10.6% (1) November 4, 2010
Kalff Jan Director 0 — — 1 +7.3% (1) May 10, 2010
Morrison Robert S Director 1 +10.1% (1) 100% 0 — May 30, 2012
Myers Richard B Director 1 +11.6% (1) 100% 0 — May 29, 2012
Simon Mindy F. Chief Operating Officer 0 — — 1 −24.9% (1) December 2, 2024
Zern John CEO, Global Health & Benefits 0 — — 1 +12.5% (1) December 4, 2017

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Aon plc

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Aon plc in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 2 buying crowds with six months of prices, it averaged +10.3% against the index. After 8 selling crowds, +0.6%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
February 29, 20243 selling−15.3%−1.4%+14.1%
November 30, 20202 buying+5.7%+7.0%+17.9%
June 30, 20203 selling−1.5%−13.5%−15.8%
November 29, 20193 selling+9.7%−3.0%−15.9%
December 29, 20174 selling+5.7%+0.2%+13.4%
February 29, 20164 selling+5.2%+2.8%−1.9%
March 31, 20143 selling+2.1%−2.2%+2.8%
March 28, 20134 selling+2.6%+13.9%+14.9%
May 31, 20122 buying+4.0%+13.6%+10.1%
February 29, 20123 selling+2.7%+7.9%+16.7%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Total returns from the month end; past patterns are not a forecast.

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