Aon Director Lester B. Knight Buys 20,000 Shares (Open Market)

What Happened Lester B. Knight, a director of Aon plc (AON), made multiple open-market purchases on September 2, 2026, acquiring a total of 20,000 AON shares for approximately $6,549,688. The trades were executed in six lots: 1,739 @ $325.63 ($566,271); 5,097 @ $326.53 ($1,664,323); 7,212 @ $327.52 ($2,362,074); 4,145 @ $328.34 ($1,360,969); 1,440 @ $329.69 ($474,754); and 367 @ $330.51 ($121,297). These were purchases (code P), i.e., outright acquisitions in the open market.

Key Details

• Transaction date: September 2, 2026; Form filed September 3, 2026 (appears timely).
• Total shares bought: 20,000; total reported value: ~$6.55 million.
• Individual lots/prices: 1,739 @ $325.63; 5,097 @ $326.53; 7,212 @ $327.52; 4,145 @ $328.34; 1,440 @ $329.69; 367 @ $330.51.
• Footnotes F1–F6: each reported price is a weighted average for multiple trades that day; specific per-trade prices ranged roughly from $325.03 up to $330.88 across the lots (full breakdown available to the SEC, issuer, or security holders on request).
• Shares owned after the transaction: not disclosed in the provided filing.
• No indication in the filing of a 10b5‑1 plan, gift, option exercise, or tax-withholding event for these trades.

Context

• These were straightforward open-market purchases (not exercises or gifts). Purchases by directors are often watched by investors as more informative than routine sales, but they are not guarantees of future performance.
• The use of weighted-average pricing and multiple lots simply reflects the trades were executed in a series of transactions throughout the trading day.