StockCIK 315293
Aon plc (AON): Insider Trades and Fund Holdings
In the past 12 months, Aon plc insiders reported 1 open-market purchase worth $6.55M and 0 sales worth $0.
1Insider buys, 12 months
$6.55MBought by insiders, 12 months
$0Sold by insiders, 12 months
4Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 3, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 3 | Lester B. KnightDirector | ▲ BUY | $6.55M |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Lester B. Knight | Director | 1 | $6.55M | 0 | $0 |
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Tracked funds that report AON
From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.
| Fund | Shares | Value | Change |
|---|---|---|---|
| Viking Global Investors | 1,151,269 | $381.9M | ▲ +5.9% |
| Markel Group | 135,800 | $45.0M | No change |
| Bridgewater Associates | 15,663 | $5.20M | ▼ −22.5% |
| Baupost Group | 687,000 | $228K | ▼ −10.7% |
| Renaissance Technologies | 0 | $0 | ▼ Sold out |
Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →