AON
Aon plc
NYSE · Financial Services · Insurance - Brokers · IE
$323.09
−1.20%6
Insider buys (3m)
7
Insider sells (3m)
$4.9M
Net value (3m)
-1.6%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 3, 2026 | KNIGHT LESTER B · director | Purchase | 367 | $331 |
| Sep 3, 2026 | KNIGHT LESTER B · director | Purchase | 1,739 | $326 |
| Sep 3, 2026 | KNIGHT LESTER B · director | Purchase | 4,145 | $328 |
| Sep 3, 2026 | KNIGHT LESTER B · director | Purchase | 5,097 | $327 |
| Sep 3, 2026 | KNIGHT LESTER B · director | Purchase | 7,212 | $328 |
| Sep 3, 2026 | KNIGHT LESTER B · director | Purchase | 1,440 | $330 |
| Jul 30, 2026 | Zeidel Darren · officer: General Counsel | Sale | 725 | $378 |
| Jul 30, 2026 | Zeidel Darren · officer: General Counsel | Sale | 475 | $380 |
| Jul 30, 2026 | Zeidel Darren · officer: General Counsel | Sale | 700 | $376 |
| Jul 21, 2026 | Zeidel Darren · officer: General Counsel | Sale | 650 | $372 |
| Jul 21, 2026 | Zeidel Darren · officer: General Counsel | Sale | 675 | $374 |
| Jul 21, 2026 | Zeidel Darren · officer: General Counsel | Sale | 625 | $370 |
| Jul 9, 2026 | Zeidel Darren · officer: General Counsel | Sale | 600 | $360 |
| Jul 6, 2026 | Reese Edmund · officer: Chief Financial Officer | F-InKind | 2,198 | $344 |
| Jul 6, 2026 | Reese Edmund · officer: Chief Financial Officer | M-Exempt | 3,975 | $0.00 |
| Jun 29, 2026 | SANTONA GLORIA · director | F-InKind | 186 | $316 |
| Jun 29, 2026 | NOTEBAERT RICHARD C · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | SMITH SARAH G · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | Spruell Byron · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | Jenkins Jo Ann · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | Karaboutis Adriana · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | SMITH SARAH G · director | F-InKind | 186 | $316 |
| Jun 29, 2026 | Cai Jin-Yong · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | STAVRIDIS JAMES G. · director | F-InKind | 186 | $316 |
| Jun 29, 2026 | Cai Jin-Yong · director | F-InKind | 397 | $316 |
| Jun 29, 2026 | KNIGHT LESTER B · director | A-Award | 1,488 | $0.01 |
| Jun 29, 2026 | STAVRIDIS JAMES G. · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | Alvarez Jose Antonio · director | F-InKind | 372 | $316 |
| Jun 29, 2026 | CAMPBELL JEFFREY C · director | A-Award | 776 | $0.01 |
| Jun 29, 2026 | Spruell Byron · director | F-InKind | 186 | $316 |
Institutional positioning
13F filings over the trailing two quarters
New 284Increased 950Reduced 885Sold out 123
| Filer | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 16,148,507 | May 13, 2026 |
| BlackRock, Inc. | Reduced | 15,716,429 | Aug 7, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 13,603,465 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 13,581,756 | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 12,175,974 | Aug 12, 2026 |
| Capital World Investors | Increased | 11,711,650 | Aug 12, 2026 |
| CAPITAL WORLD INVESTORS | Reduced | 11,477,788 | May 13, 2026 |
| STATE STREET CORP | Increased | 9,416,039 | Aug 7, 2026 |
| STATE STREET CORP | Increased | 9,219,773 | May 15, 2026 |
| DODGE & COX | Increased | 8,593,144 | Aug 13, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | 8,358,097 | May 14, 2026 |
| DODGE & COX | Increased | 8,116,095 | May 14, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Reduced | 7,615,397 | Aug 3, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 7,202,991 | Aug 13, 2026 |
| MORGAN STANLEY | Reduced | 6,374,945 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 3, 2026