Insider trade

Director purchased ~$475K of AON shares in the open market

Traded Sep 2, 2026 · Filed Sep 4, 2026

~$475K
Reported value · 1,440 sh @ $329.69: 163K
Holds after · shares reported: -16.6%
stock since the trade · S&P 500 -0.1%, $330.88 → $275.95 on Oct 1

Why it stands out

A board member of Aon plc spent $475K of their very own money to buy Aon plc shares. It was the first time in 7 months that they bought.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Sep 2, 2026
Reporting period: Not applicable
Filed with the SEC: Sep 4, 2026

DirectorIndirect holding$100K–$500KHoldings +1%First buy in 7 mo

Context

Classification

open market purchase

Code P — open-market or private purchase

Absolute commitment

~$474,754

Shares × reported transaction price

Size band

$100K–$500K

Ownership change

+0.9%

Purchase shares ÷ estimated pre-transaction holdings, from the filing

Rarity

First purchase in 7 months

Confirmed open-market purchases by the same insider in the available history

Largest by this insider

No

Compared with 1 earlier confirmed purchase

Cluster activity

No other insider purchases within 30 days

Distinct insiders at the same issuer with confirmed open-market purchases

Timing vs results

35 days after results of Jul 29, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $330.88 on Sep 2, 2026, 7% above its 52-week low and 13% below its high, after a 6% drop over the previous 30 trading days

52-week range $308.27 (May 6, 2026) to $381.26 (Jul 28, 2026), 31% of the way up, from 252 adjusted closes. 30 trading days earlier: $352.33 on Jul 22, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-6.3%	-0.8%	-5.5%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-26-382419
Filed / recorded: Sep 4, 2026, 12:33 AM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: Aon plc
Issuer CIK: 315293
Ticker: AON
Reporting person: Lester B Knight
Relationship: Director
Security: Class A Ordinary Stock
Table: Non-derivative (Table I)
Transaction date: Sep 2, 2026
Transaction code: P
Shares / units: 1,440
Price per share: $329.69
Acquired / disposed: Acquired (A)
Shares owned after: 162,633
Ownership form: Indirect — By Family Partnership
Amendment: No

Footnotes from the filing

The price reported is a weighted average price. Shares were purchased in a series of transactions within the same trading day at prices ranging from $329.08 to $330.07, inclusive. Full information regarding the number of shares purchased at each separate price is available upon request by the Commission staff, the issuer, or a security holder of the issuer.