Peter M. Lieb is CLO at Aon plc (AON). They have made 14 open-market trades across 1 company since 2014, most recently 2026-09-02.
CIK 0000315293
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
1 open-market purchase totalling $6.5M since 2026, against 13 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| AON | 163,000 | $56.2M |
| NCR | 58,287 | $1.6M |
| AOC | 1,820 | — |
| Total | $57.8M |
Shares reported on the most recent Form 4, priced at the 2026-09-03 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AON | BUY | 2026-09-02 | 2026-09-03 | $327.48 | $6.5M | -8.4% | -17.1% | — |
| AON | SELL | 2019-05-31 | 2019-06-04 | $180.67 | $4.2M | +4.0% | +7.7% | +5.0% |
| AON | SELL | 2019-04-30 | 2019-05-01 | $178.44 | $1.8M | +0.4% | +2.6% | +10.0% |
| AON | SELL | 2019-02-19 | 2019-02-21 | $172.76 | $5.0M | -8.8% | -3.4% | +4.9% |
| AON | SELL | 2018-03-09 | 2018-03-13 | $145.00 | $2.1M | -6.5% | -3.5% | -2.8% |
| AON | SELL | 2018-02-20 | 2018-02-22 | $141.26 | $329K | +1.8% | +0.8% | +1.7% |
| AON | SELL | 2018-01-31 | 2018-02-02 | $141.39 | $594K | -2.5% | -1.5% | -2.5% |
| AON | SELL | 2017-05-25 | 2017-05-30 | $130.40 | $261K | +1.2% | +1.3% | +5.5% |
| AON | SELL | 2017-03-30 | 2017-04-03 | $117.29 | $3.9M | -0.0% | +1.9% | +12.7% |
| AON | SELL | 2017-02-28 | 2017-03-02 | $116.11 | $4.2M | +1.8% | +1.7% | +12.5% |
| AON | SELL | 2016-03-21 | 2016-03-23 | $101.24 | $2.5M | +1.9% | +3.2% | +7.8% |
| AON | SELL | 2016-03-16 | 2016-03-18 | $100.19 | $5.9M | +3.3% | +4.5% | +5.8% |
| AON | SELL | 2016-02-17 | 2016-02-17 | $95.00 | $111K | +0.6% | +7.1% | +11.6% |
| AON | SELL | 2016-02-10 | 2016-02-11 | $94.36 | $1.4M | +1.0% | +6.4% | +12.5% |
| AON | SELL · 10b5-1 | 2015-02-23 | 2015-02-25 | $100.08 | $3.4M | -5.3% | +0.0% | +0.0% |
| AON | SELL · 10b5-1 | 2015-02-17 | 2015-02-17 | $100.30 | $290K | -5.3% | +0.0% | +0.0% |
| AON | SELL · 10b5-1 | 2014-07-16 | 2014-07-17 | $89.79 | $841K | -5.3% | +0.0% | +0.0% |
| AON | SELL · 10b5-1 | 2014-05-08 | 2014-05-12 | $85.98 | $972K | -5.3% | +0.0% | +0.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.