Zeidel Darren sold $726K of AON
Zeidel Darren (General Counsel) sold 1,950 shares of Aon plc (AON) at an average of $372.05 ($370.00–$374.00, $0.73M total) across 3 trades on 2026-07-17 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
Because the sale is explicitly under a 10b5-1 plan and no new company fundamentals are disclosed, the incremental trading signal is limited and primarily sentiment-driven.
Market read
Traders may note the planned insider selling, but the filing alone does not provide new fundamental catalysts.
What to watch
The article provides only the sale details; it does not include any buy transactions, performance context, or whether the officer’s broader trading pattern is accelerating.
Background
The article is an SEC Form 4 insider transaction disclosure for Aon plc, reporting an open-market sale by the General Counsel under a pre-arranged 10b5-1 plan.
Ticker impact
Aon plc insider Zeidel Darren, General Counsel, sold $725,500 of AON shares via a 10b5-1 plan on 2026-07-17.
Low likelihood of a sustained price move; any impact is likely limited to near-term sentiment around the filing date.
The disclosure is a Form 4 open-market sale under a pre-arranged 10b5-1 plan, with no accompanying operational or financial guidance changes in the text.
Market effects
No sector-level implications; this is a single-company insider transaction.
None indicated.
None indicated.
Counterpoint
Even with 10b5-1, repeated insider selling can be read by some traders as a lack of conviction, potentially pressuring short-term sentiment.
Key entities
- issuerAon plc
Subject of the Form 4 insider sale disclosure.
- insiderZeidel Darren
General Counsel who sold 1,950 shares across three trades.
- trading mechanism10b5-1 plan
Pre-arranged plan indicating the sale was scheduled in advance.


