| 2021-07-26 | +11.9% | legal | SEC EDGAR | AON 8-K: 1.01, 1.02, 5.02, 7.01 (SEC Filing) |
| 2024-04-26 | -9.5% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2022-04-29 | -8.2% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2023-12-20 | -7.5% | legal | SEC EDGAR | AON 8-K: 1.01, 7.01 (SEC Filing) |
| 2023-07-28 | -6.7% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2025-04-25 | -6.7% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2025-04-25 | -6.7% | news | Stock Titan | Aon Plc Stock Price, News & Analysis - Stock Titan |
| 2026-03-09 | -6.5% | news | Seeking Alpha | Aon tests stablecoin payment for insurance premiums with Coinbase and Paxos |
| 2021-04-30 | +6.0% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2024-07-26 | +5.6% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2026-01-29 | +5.5% | earnings | Seeking Alpha | Aon Q4 2025 Earnings Preview |
| 2022-07-29 | -5.4% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2026-02-12 | +5.3% | news | Quiver Quantitative | Insider Purchase: Director at $AON Buys 4,000 Shares | AON Stock News - Quiver Quantitative |
| 2025-10-30 | +5.3% | earnings | Seeking Alpha | Aon Q3 2025 Earnings Preview |
| 2025-10-30 | +5.3% | M&A | Stock Titan | Aon completes divestiture of NFP wealth businesses to MDP - Stock Titan |
| 2021-10-29 | -4.8% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2023-10-27 | -4.2% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2023-10-27 | -4.2% | earnings | Yahoo Finance | Aon PLC (AON) Reports 10% Revenue Increase in Q3 2023 - Yahoo Finance |
| 2024-10-25 | +3.9% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2023-04-28 | -3.6% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2025-04-10 | +3.5% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2024-04-03 | -3.4% | legal | SEC EDGAR | AON 8-K: 5.02 and (SEC Filing) |
| 2025-07-29 | -3.4% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2022-02-04 | +3.3% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2022-02-18 | +3.2% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2026-04-11 | +3.1% | earnings | MarketBeat | Factory Mutual Insurance Co. Sells 18,300 Shares of Aon plc $AON - MarketBeat |
| 2025-07-25 | +3.1% | earnings | Seeking Alpha | Aon reaffirms 2025 guidance with double-digit free cash flow growth target as NFP integration advances |
| 2025-07-25 | +3.1% | earnings | Seeking Alpha | Aon plc (AON) Q2 2025 Earnings Call Transcript |
| 2025-07-25 | +3.1% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2025-10-31 | +3.0% | news | Seeking Alpha | Aon outlines $10B data center premium potential as capital strength boosts growth outlook |
| 2025-10-31 | +3.0% | earnings | Seeking Alpha | Aon plc (AON) Q3 2025 Earnings Call Transcript |
| 2025-10-31 | +3.0% | earnings | Seeking Alpha | Aon Non-GAAP EPS of $3.05 beats by $0.14, revenue of $3.99B beats by $30M |
| 2025-10-31 | +3.0% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2025-10-31 | +3.0% | news | TradingView | Aon Reports Third Quarter 2025 Results - TradingView |
| 2025-12-31 | -2.9% | news | Gotrade | V. D. Dodge's Portfolio - E. M. Cox - Dodge & Cox Stock Fund - Gotrade |
| 2022-09-22 | +2.8% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2026-04-15 | +2.8% | news | MT Newswires | Aon Grows Data Center Insurance Limit to $3.5 Billion |
| 2026-04-15 | +2.8% | news | PR Newswire | Aon expands Data Center Lifecycle Insurance Program capacity to $3.5 billion in support of Digital Infrastructure clients |
| 2026-04-15 | +2.8% | news | Seeking Alpha | Aon expands Data Center Lifecycle Insurance capacity to $3.5B for digital infrastructure clients |
| 2026-02-27 | +2.7% | news | ChartMill | Discover the top S&P500 movers in Friday's pre-market session. - ChartMill |
| 2023-10-24 | +2.7% | legal | SEC EDGAR | AON 8-K: 1.01, 1.02, 2.03 (SEC Filing) |
| 2022-11-16 | +2.4% | news | aon.com | 2023 ISS Draft Policy Updates Impact US Companies - aon.com |
| 2022-09-06 | +2.3% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2026-04-08 | -2.2% | news | Stock Traders Daily | Trading Systems Reacting to (AON) Volatility - Stock Traders Daily |
| 2025-11-03 | +2.0% | analyst | Seeking Alpha | Aon raised to Buy at Citi on well-managed moderating tailwinds |
| 2025-11-03 | +2.0% | analyst | InvestorPlace | Coca-Cola Upgraded, Boeing Downgraded: Updated Rankings on Top Blue-Chip Stocks - InvestorPlace |
| 2025-01-31 | +1.9% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2022-10-28 | -1.9% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2026-03-02 | +1.9% | news | TradingView | Aon plc General Counsel Darren Zeidel Sells 4,300 Shares - TradingView |
| 2025-03-17 | -1.9% | legal | SEC EDGAR | AON 8-K: 5.02, 7.01 (SEC Filing) |
| 2024-02-02 | -1.8% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2026-01-30 | +1.7% | earnings | Seeking Alpha | Aon outlines mid-single-digit organic revenue growth for 2026 while accelerating data center and middle market strategies |
| 2026-01-30 | +1.7% | earnings | Seeking Alpha | Aon plc (AON) Q4 2025 Earnings Call Transcript |
| 2026-01-30 | +1.7% | earnings | Seeking Alpha | Aon Q4 earnings top consensus, extending beat streak to three quarters |
| 2026-01-30 | +1.7% | earnings | Seeking Alpha | Aon plc 2025 Q4 - Results - Earnings Call Presentation |
| 2026-01-30 | +1.7% | earnings | Seeking Alpha | Aon Non-GAAP EPS of $4.85 beats by $0.10, revenue of $4.3B misses by $70M |
| 2026-01-30 | +1.7% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2026-01-30 | +1.7% | earnings | ChartMill | AON PLC-CLASS A (NYSE:AON) Stock Falls on Q4 Revenue Miss Despite EPS Beat - ChartMill |
| 2026-03-17 | -1.6% | news | Stock Titan | Aon (AON) executive Marcell logs RSU vesting and tax-withheld shares - Stock Titan |
| 2026-03-17 | -1.6% | executive | Stock Titan | Aon (NYSE: AON) North America CEO reports RSU vesting and tax share withholding - Stock Titan |
| 2025-12-09 | -1.5% | news | Seeking Alpha | Aon: An Attractive Growth Story At A Reasonable Price |
| 2022-06-23 | +1.5% | legal | SEC EDGAR | AON 8-K: 5.02, 5.07 (SEC Filing) |
| 2024-02-16 | +1.4% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2024-01-02 | +1.3% | news | Morningstar | Best- and Worst-Performing Stocks of December 2023 - Morningstar |
| 2026-01-02 | -1.3% | expansion | Seeking Alpha | Aon extends CEO Gregory Case's contract for five more years |
| 2026-01-02 | -1.3% | legal | SEC EDGAR | AON 8-K: 5.02 and (SEC Filing) |
| 2026-01-02 | -1.3% | executive | Stock Titan | Aon plc (NYSE: AON) renews CEO Gregory Case through 2030 with $50M PSU grant - Stock Titan |
| 2025-08-04 | +1.3% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2026-01-09 | -1.2% | news | Seeking Alpha | Aon declares $0.745 dividend |
| 2026-01-09 | -1.2% | earnings | PR Newswire | Aon Announces Quarterly Cash Dividend - PR Newswire |
| 2026-04-14 | -1.2% | analyst | MT Newswires | BofA Securities Adjusts Aon PT to $310 From $326, Maintains Underperform Rating |
| 2026-04-13 | +1.1% | news | Zacks | AON Delivers 10% Dividend Increase on Solid Financial Footing |
| 2026-04-13 | +1.1% | analyst | MT Newswires | Mizuho Adjusts Price Target on Aon to $394 From $397, Maintains Outperform Rating |
| 2026-04-13 | +1.1% | news | Simply Wall St. | A Look At Aon (AON) Valuation After Recent Share Price Weakness |
| 2026-04-13 | +1.1% | news | Bloomberg | Surge in Hedge Fund Money Transforms an Old Insurance Market |
| 2026-04-13 | +1.1% | news | Simply Wall St. | Aon’s 10% Dividend Hike Highlights Cash Returns And Valuation Gap |
| 2026-04-13 | +1.1% | earnings | Seeking Alpha | Aon raises quarterly dividend by 10.1% to $0.82 a share |
| 2026-04-13 | +1.1% | earnings | MarketBeat | Sumitomo Mitsui Trust Group Inc. Sells 17,135 Shares of Aon plc $AON - MarketBeat |
| 2024-01-25 | -1.1% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2026-03-26 | +1.0% | news | Stock Titan | Vanguard disaggregates Aon holdings after realignment (NYSE: AON) - Stock Titan |
| 2024-03-06 | -1.0% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2022-08-09 | +1.0% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2021-08-23 | -1.0% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2026-01-07 | +1.0% | legal | SEC EDGAR | AON 8-K: 5.02 and (SEC Filing) |
| 2026-01-07 | +1.0% | news | Stock Titan | Aon plc (NYSE: AON) outlines Eric Andersen’s exit terms and equity vesting - Stock Titan |
| 2025-07-30 | +1.0% | analyst | Seeking Alpha | Aon upgraded to Buy at Jefferies on set-up for margin expansion |
| 2021-07-01 | -1.0% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2025-09-03 | -1.0% | M&A | Seeking Alpha | Aon confirms NFP wealth businesses sale to Madison Dearborn, price estimated at $2.7B at deal close |
| 2025-09-03 | -1.0% | news | Seeking Alpha | Aon to return NFP wealth business to Madison Dearborn for $3B - report |
| 2026-04-10 | -0.9% | earnings | PR Newswire | Aon Announces 10% Increase to Quarterly Cash Dividend - PR Newswire |
| 2026-04-10 | -0.9% | earnings | marketscreener.com | Aon Boosts Quarterly Dividend by $0.075 to $0.82 a Share, Payable May 15 to Stockholders of Record May 1 - marketscreener.com |
| 2023-06-22 | +0.9% | legal | SEC EDGAR | AON 8-K: 5.02, 5.07 (SEC Filing) |
| 2023-06-22 | +0.9% | legal | SEC EDGAR | AON 8-K: 1.01, 8.01 (SEC Filing) |
| 2023-06-22 | +0.9% | news | marketscreener.com | Aon plc: Financial Data Forecasts Estimates and Expectations | AON | IE00BLP1HW54 - marketscreener.com |
| 2024-03-01 | -0.8% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2026-01-15 | -0.8% | news | Stock Titan | Aon moves to pay off €510M bond early and pull it from NYSE trading - Stock Titan |
| 2021-07-30 | -0.8% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2025-10-10 | -0.7% | news | Seeking Alpha | Aon declares $0.745 dividend |
| 2022-02-28 | +0.7% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2022-02-28 | +0.7% | legal | SEC EDGAR | AON 8-K: 8.01 (SEC Filing) |
| 2024-04-19 | +0.7% | legal | SEC EDGAR | AON 8-K: 1.01 and (SEC Filing) |
| 2025-03-13 | -0.6% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2025-03-13 | -0.6% | executive | marketscreener.com | Aon plc Announces Transition of Michael Neller from Chief Accounting Officer and Global Controller of the Company to Deputy Global Chief People Officer, Total Rewards and Talent Development - marketscreener.com |
| 2022-09-12 | +0.6% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2025-12-10 | -0.5% | news | Seeking Alpha | Aon plc (AON) Presents at Goldman Sachs 2025 U.S. Financial Services Conference Transcript |
| 2026-02-01 | -0.5% | news | Stock Traders Daily | Precision Trading with Aon Plc Class A (ireland) (AON) Risk Zones - Stock Traders Daily |
| 2026-01-31 | -0.5% | earnings | Seeking Alpha | Aon Earnings Review: Solid Results Underscore Long-Term Investment Case |
| 2023-02-28 | +0.5% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2025-07-03 | +0.4% | legal | SEC EDGAR | AON 8-K: 5.02, 5.07 (SEC Filing) |
| 2025-11-01 | -0.4% | earnings | Seeking Alpha | Aon plc 2025 Q3 - Results - Earnings Call Presentation |
| 2023-04-12 | +0.4% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2024-03-27 | +0.3% | legal | SEC EDGAR | AON 8-K: 5.02 and (SEC Filing) |
| 2026-04-16 | -0.3% | news | Zacks | Aon Expands Data-Center Insurance: Can It Boost Its Market Position? |
| 2026-04-16 | -0.3% | news | Sahm | Why Aon Just Pumped $1 Billion More Into Data Center Insurance - Sahm |
| 2024-06-26 | -0.3% | legal | SEC EDGAR | AON 8-K: 5.02, 5.07 (SEC Filing) |
| 2026-03-23 | -0.3% | analyst | Seeking Alpha | Aon Stock: Setup Has Improved But Not Enough For A Buy (Rating Upgrade) |
| 2026-02-17 | -0.3% | executive | Stock Titan | Aon (NYSE: AON) North America CEO receives shares and RSU grant - Stock Titan |
| 2022-10-21 | +0.3% | legal | SEC EDGAR | AON 8-K: 1.01 and (SEC Filing) |
| 2026-04-19 | +0.2% | news | Stock Traders Daily | How (AON) Movements Inform Risk Allocation Models - Stock Traders Daily |
| 2021-12-03 | -0.2% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2024-06-04 | +0.2% | legal | SEC EDGAR | AON 8-K: 5.02, 7.01 (SEC Filing) |
| 2026-03-04 | -0.2% | news | Morningstar | Aon Is a Fundamentally Attractive Business - Morningstar |
| 2026-02-10 | +0.2% | news | Seeking Alpha | Top Quant rated insurance brokers in focus amid AI disruption fears |
| 2024-08-09 | +0.1% | legal | SEC EDGAR | AON 8-K: 5.02 (SEC Filing) |
| 2025-08-07 | +0.1% | news | Seeking Alpha | Aon exploring sale of Wealthspire Advisors - report |
| 2021-12-02 | -0.0% | legal | SEC EDGAR | AON 8-K: 8.01 and (SEC Filing) |
| 2023-02-03 | +0.0% | legal | SEC EDGAR | AON 8-K: 2.02 and (SEC Filing) |
| 2021-09-30 | -0.0% | legal | SEC EDGAR | AON 8-K: 1.01, 1.02, 2.03 (SEC Filing) |
| 2025-09-26 | -0.0% | news | Seeking Alpha | Aon: Almost Time To Take Out Insurance |
| 2026-04-24 | — | earnings | Zacks | Aon (AON) Reports Next Week: Wall Street Expects Earnings Growth |