John Zern serves as Executive at Aon plc, where they oversee executive responsibilities. Since joining the company, John Zern has executed 28 insider transactions totaling $4.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 21, 2019 involved selling 510 shares valued at $98.5K.
John Zern currently holds 38,018 shares of Aon plc (AON), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Zern has been a net seller of AON stock. They have purchased $0 and sold $4.6M worth of shares.
John Zern's most recent insider trade was on Aug 21, 2019, when they sold 510 shares at $193.17 per share.
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| $N/A |
| Discretionary |
| Feb 15, 2019 | AON | $56.6K | Payment | 329 | $171.97 | Discretionary |
| Feb 15, 2019 | AON | $0 | Option Exercise | 521 | $N/A | Discretionary |
| Feb 15, 2019 | AON | $40.9K | Payment | 238 | $171.97 | Discretionary |
| Feb 15, 2019 | AON | $0 | Option Exercise | 537 | $N/A | Discretionary |
| Feb 15, 2019 | AON | $39.7K | Payment | 231 | $171.97 | Discretionary |
| Feb 15, 2019 | AON | $0 | Option Exercise | 741 | $N/A | Discretionary |
| Feb 14, 2019 | AON | $1.2M | Payment | 6,925 | $169.62 | Discretionary |
| Feb 14, 2019 | AON | $0 | Award | 17,603 | $N/A | Discretionary |
| Aug 21, 2018 | AON | $0 | Option Exercise | 1,150 | $N/A | Discretionary |
| Aug 21, 2018 | AON | $73.6K | Payment | 510 | $144.36 | Discretionary |
| May 21, 2018 | AON | $0 | Option Exercise | 302 | $N/A | Discretionary |
| May 21, 2018 | AON | $19.0K | Payment | 134 | $142.08 | Discretionary |
| Feb 16, 2018 | AON | $0 | Option Exercise | 537 | $N/A | Discretionary |
| Feb 16, 2018 | AON | $33.5K | Payment | 238 | $140.86 | Discretionary |
| Feb 16, 2018 | AON | $36.3K | Payment | 258 | $140.86 | Discretionary |
| Feb 16, 2018 | AON | $0 | Option Exercise | 582 | $N/A | Discretionary |
| Feb 16, 2018 | AON | $46.2K | Payment | 328 | $140.86 | Discretionary |
| Feb 16, 2018 | AON | $0 | Option Exercise | 740 | $N/A | Discretionary |
| Feb 15, 2018 | AON | $955.9K | Payment | 6,785 | $140.89 | Discretionary |
| Feb 15, 2018 | AON | $0 | Award | 17,693 | $N/A | Discretionary |
| Feb 2, 2018 | AON | $2.2M | Sale | 14,747 | $147.00 | Discretionary |
| Nov 30, 2017 | AON | $2.5M | Sale | 17,680 | $139.79 | Discretionary |
| Aug 21, 2017 | AON | $72.7K | Payment | 526 | $138.17 | Discretionary |
| Aug 21, 2017 | AON | $0 | Option Exercise | 1,150 | $N/A | Discretionary |
| May 19, 2017 | AON | $0 | Option Exercise | 302 | $N/A | Discretionary |
| May 19, 2017 | AON | $17.7K | Payment | 139 | $127.28 | Discretionary |