Aon (AON) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET
Updated Oct 15, 2026, 4:00 PM ET
- Closed at $286.80, +4.16% vs the prior close of $275.35.
- Volume 2.33M shares, 1.5x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
AON jumps 4.2% to $286.80. Closed at $286.80, +4.16% vs the prior close of $275.35. Day range $279.85–$288.47, opened at $279.85.
AON daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 15, 2026 — AON jumps 4.2% to $286.80
- Closed at $286.80, +4.16% vs the prior close of $275.35. Day range $279.85–$288.47, opened at $279.85.
- Volume was 2.33M shares, 1.5x its 50-day average of 1.59M.
- Price is -8.3% vs its 50-day average ($312.92) and -12.6% vs its 200-day average ($328.26).
- 52-week range $266.33–$382.34; today's close sits at 18% of that range, 25.0% below the 52-week high.
Oct 14, 2026 — AON ends flat (+0.2%) to $275.35
- Closed at $275.35, +0.23% vs the prior close of $274.71. Day range $272.04–$277.25, opened at $275.63.
- Volume was 1.70M shares, 1.1x its 50-day average of 1.58M.
- Price is -12.4% vs its 50-day average ($314.39) and -16.2% vs its 200-day average ($328.61).
- 52-week range $266.33–$382.34; today's close sits at 8% of that range, 28.0% below the 52-week high.
Oct 13, 2026 — AON ends flat (-0.0%) to $274.71
- Closed at $274.71, -0.03% vs the prior close of $274.78. Day range $272.39–$277.62, opened at $275.99.
- Volume was 1.45M shares, 0.9x its 50-day average of 1.59M.
- Price is -13.1% vs its 50-day average ($316.01) and -16.5% vs its 200-day average ($329.02).
- 52-week range $266.33–$382.34; today's close sits at 7% of that range, 28.2% below the 52-week high.
Oct 12, 2026 — AON rises 0.5% to $274.78
- Closed at $274.78, +0.48% vs the prior close of $273.47. Day range $273.24–$276.01, opened at $274.87.
- Volume was 1.67M shares, 1.1x its 50-day average of 1.59M.
- Price is -13.5% vs its 50-day average ($317.67) and -16.6% vs its 200-day average ($329.43).
- 52-week range $266.33–$382.34; today's close sits at 7% of that range, 28.1% below the 52-week high.
Oct 9, 2026 — AON dips 1.3% to $273.47
- Closed at $273.47, -1.32% vs the prior close of $277.12. Day range $272.83–$277.49, opened at $276.63.
- Volume was 1.91M shares, 1.2x its 50-day average of 1.63M.
- Price is -14.4% vs its 50-day average ($319.39) and -17.1% vs its 200-day average ($329.84).
- 52-week range $266.33–$382.34; today's close sits at 6% of that range, 28.5% below the 52-week high.
Oct 8, 2026 — AON rises 2.5% to $277.12
- Closed at $277.12, +2.46% vs the prior close of $270.47. Day range $270.03–$277.90, opened at $271.29.
- Volume was 1.98M shares, 1.2x its 50-day average of 1.63M.
- Price is -13.7% vs its 50-day average ($321.25) and -16.1% vs its 200-day average ($330.25).
- 52-week range $266.33–$382.34; today's close sits at 9% of that range, 27.5% below the 52-week high.
Oct 7, 2026 — AON dips 1.3% to $270.47
- Closed at $270.47, -1.28% vs the prior close of $273.99. Day range $269.72–$275.31, opened at $275.07.
- Volume was 1.54M shares, 0.9x its 50-day average of 1.63M.
- Price is -16.3% vs its 50-day average ($323.25) and -18.2% vs its 200-day average ($330.61).
- 52-week range $266.33–$382.34; today's close sits at 4% of that range, 29.3% below the 52-week high.
Oct 6, 2026 — AON rises 0.7% to $273.99
- Closed at $273.99, +0.71% vs the prior close of $272.05. Day range $270.10–$274.71, opened at $270.83.
- Volume was 1.38M shares, 0.8x its 50-day average of 1.64M.
- Price is -15.8% vs its 50-day average ($325.47) and -17.2% vs its 200-day average ($331.02).
- 52-week range $266.33–$382.34; today's close sits at 7% of that range, 28.3% below the 52-week high.
Oct 5, 2026 — AON rises 1.0% to $272.05
- Closed at $272.05, +0.96% vs the prior close of $269.45. Day range $266.33–$272.37, opened at $267.59.
- Volume was 1.37M shares, 0.8x its 50-day average of 1.63M.
- Price is -16.9% vs its 50-day average ($327.33) and -17.9% vs its 200-day average ($331.41).
- 52-week range $266.33–$382.34; today's close sits at 5% of that range, 28.8% below the 52-week high.
Oct 2, 2026 — AON dips 2.4% to $269.45, a 52-week low
- Closed at $269.45, -2.36% vs the prior close of $275.95. Day range $268.90–$276.39, opened at $274.96.
- Volume was 1.61M shares, 1.0x its 50-day average of 1.62M.
- Price is -18.1% vs its 50-day average ($329.12) and -18.8% vs its 200-day average ($331.81).
- 52-week range $268.90–$382.34; today's close sits at 0% of that range, 29.5% below the 52-week high.
AON latest news & SEC filings
Every SEC filing by or about AON in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Sep 22, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 1.02 — Ended a material agreement.
- Item 2.03 — Took on a new material debt or financial obligation.
Sep 17, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Sep 15, 2026 · 424B5 — Prospectus supplement
Prospectus supplement — the company is selling securities off a shelf registration
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Sep 14, 2026 · FWP — Free writing prospectus (offering marketing material)
Free writing prospectus (offering marketing material)
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Sep 11, 2026 · 424B5 — Prospectus supplement
Prospectus supplement — the company is selling securities off a shelf registration
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Sep 11, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Sep 3, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Knight Lester B bought 4,145 shares at $328.34 (≈$1.36M) on Sep 2, 2026
- Knight Lester B bought 1,440 shares at $329.69 (≈$474.75K) on Sep 2, 2026
- Knight Lester B bought 1,739 shares at $325.63 (≈$566.27K) on Sep 2, 2026
- Knight Lester B bought 5,097 shares at $326.53 (≈$1.66M) on Sep 2, 2026
- Knight Lester B bought 7,212 shares at $327.52 (≈$2.36M) on Sep 2, 2026
- Knight Lester B bought 367 shares at $330.51 (≈$121.30K) on Sep 2, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Aug 31, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 26, 2026 · 3 — Initial insider ownership statement (Form 3)
Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings
Aug 17, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Jul 30, 2026 · 4 — Insider trade report (Form 4)
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Zeidel Darren sold 475 shares at $380.00 (≈$180.50K) on Jul 28, 2026
- Zeidel Darren sold 725 shares at $378.00 (≈$274.05K) on Jul 28, 2026
- Zeidel Darren sold 700 shares at $376.00 (≈$263.20K) on Jul 28, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Jul 29, 2026 · 10-Q — Quarterly report (unaudited financial statements for the quarter)
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Revenue: $4.25B (prior year $4.16B) (+2.2% vs Jun 30, 2025)
- Net income: $551.00M (prior year $579.00M) (-4.8% vs Jun 30, 2025)
- Diluted EPS: $2.58 (prior year $2.66) (-3.0% vs Jun 30, 2025)
Jul 29, 2026 · 8-K — Current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade AON
- Last results release: Jul 29, 2026 (8-K Item 2.02). Previous ones: May 1, 2026, Jan 30, 2026, Oct 31, 2025. Based on that rhythm, the next report is likely around Oct 28, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 1.29% (largest 4.2%).
- Liquidity: about 1.94M shares (≈$557.82M) trade per day on average.
- 52-week position: $286.80 vs a range of $266.33–$382.34 (18% of the range).
- Dividends: last ex-dividend date Aug 3, 2026 ($0.82/share); 2 payments in the past 12 months.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 7 open-market buys, 11 sales; latest: Lester B Knight bought 4,145 shares on Sep 2, 2026.
- Latest filings: 8-K Sep 22, 2026; 8-K Sep 17, 2026; 8-K Sep 11, 2026.
- Share count: 212.13M shares outstanding (Jul 28, 2026), -1.6% vs a year earlier.
- Listing: NYSE · industry: Insurance Agents, Brokers & Service.
AON market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 15, 2026 | 279.85 | 288.47 | 279.85 | 286.80 | 2.33M |
| Oct 14, 2026 | 275.63 | 277.25 | 272.04 | 275.35 | 1.70M |
| Oct 13, 2026 | 275.99 | 277.62 | 272.39 | 274.71 | 1.45M |
| Oct 12, 2026 | 274.87 | 276.01 | 273.24 | 274.78 | 1.67M |
| Oct 9, 2026 | 276.63 | 277.49 | 272.83 | 273.47 | 1.91M |
| Oct 8, 2026 | 271.29 | 277.90 | 270.03 | 277.12 | 1.98M |
| Oct 7, 2026 | 275.07 | 275.31 | 269.72 | 270.47 | 1.54M |
| Oct 6, 2026 | 270.83 | 274.71 | 270.10 | 273.99 | 1.38M |
| Oct 5, 2026 | 267.59 | 272.37 | 266.33 | 272.05 | 1.37M |
| Oct 2, 2026 | 274.96 | 276.39 | 268.90 | 269.45 | 1.61M |
| Oct 1, 2026 | 277.48 | 279.49 | 274.81 | 275.95 | 2.01M |
| Sep 30, 2026 | 275.78 | 278.19 | 273.80 | 276.77 | 2.30M |
| Sep 29, 2026 | 269.91 | 276.97 | 269.02 | 275.90 | 1.99M |
| Sep 28, 2026 | 277.50 | 278.40 | 270.00 | 272.10 | 1.85M |
| Sep 25, 2026 | 277.00 | 280.98 | 276.52 | 277.99 | 1.63M |
| Sep 24, 2026 | 281.60 | 283.03 | 275.38 | 276.09 | 2.71M |
| Sep 23, 2026 | 284.67 | 286.80 | 281.18 | 281.60 | 1.79M |
| Sep 22, 2026 | 291.06 | 293.55 | 282.70 | 286.10 | 2.54M |
| Sep 21, 2026 | 297.01 | 297.87 | 290.70 | 290.82 | 1.94M |
| Sep 18, 2026 | 294.25 | 297.73 | 293.00 | 295.64 | 3.19M |
About Aon
Aon (AON) is listed on the NYSE and classified by the SEC under “Insurance Agents, Brokers & Service”. Its business address is in DUBLIN 2, Ireland. State of incorporation: Ireland. Fiscal year ends December 31. SEC CIK 315293.
AON board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Jose Antonio Alvarez | Director | Jun 29, 2026 |
| Jeffrey C Campbell | Director | Jun 29, 2026 |
| Jin-Yong Cai | Director | Jun 29, 2026 |
| Gregory C Case | President & CEO | Feb 20, 2026 |
| Cheryl A Francis | Director | Jun 29, 2026 |
| Jo Ann Jenkins | Director | Jun 29, 2026 |
| Lester B Knight | Director | Sep 3, 2026 |
| Adriana Karaboutis | Director | Jun 29, 2026 |
| Richard C Notebaert | Director | Jun 29, 2026 |
| Gloria Santona | Director | Jun 29, 2026 |
| Sarah G Smith | Director | Jun 29, 2026 |
| James G. Stavridis | Director | Jun 29, 2026 |
| Byron Spruell | Director | Jun 29, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Gregory C Case | President & CEO | Feb 20, 2026 |
| Anne Corona | Chief Commercial Officer | Mar 17, 2026 |
| Lori Goltermann | CEO, Regions & North America | Mar 17, 2026 |
| Andy Marcell | Global CEO, Solution Lines | Mar 17, 2026 |
| Edmund Reese | Chief Financial Officer | Jul 6, 2026 |
| Mindy F. Simon | Chief Operating Officer | Feb 17, 2026 |
| Lisa Stevens | Chief Administrative Officer | Feb 19, 2026 |
| Nadin Virani | Interim CFO | Aug 26, 2026 |
| Darren Zeidel | General Counsel | Jul 30, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Sep 2, 2026 | Lester B Knight | Buy | 4,145 | $328.34 |
| Sep 2, 2026 | Lester B Knight | Buy | 1,440 | $329.69 |
| Sep 2, 2026 | Lester B Knight | Buy | 1,739 | $325.63 |
| Sep 2, 2026 | Lester B Knight | Buy | 5,097 | $326.53 |
| Sep 2, 2026 | Lester B Knight | Buy | 7,212 | $327.52 |
| Sep 2, 2026 | Lester B Knight | Buy | 367 | $330.51 |
| Jul 28, 2026 | Darren Zeidel | Sale | 475 | $380.00 |
| Jul 28, 2026 | Darren Zeidel | Sale | 725 | $378.00 |
| Jul 28, 2026 | Darren Zeidel | Sale | 700 | $376.00 |
| Jul 17, 2026 | Darren Zeidel | Sale | 625 | $370.00 |
| Jul 17, 2026 | Darren Zeidel | Sale | 675 | $374.00 |
| Jul 17, 2026 | Darren Zeidel | Sale | 650 | $372.00 |
| Jul 7, 2026 | Darren Zeidel | Sale | 600 | $360.00 |
| Feb 26, 2026 | Darren Zeidel | Sale | 4,300 | $329.72 |
| Feb 17, 2026 | Darren Zeidel | Sale | 5,040 | $325.79 |
AON financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | $17.18B | $3.69B | 17.02 | $3.48B |
| Dec 31, 2024 | $15.70B | $2.65B | 12.49 | $3.04B |
| Dec 31, 2023 | $13.38B | $2.56B | 12.51 | $3.44B |
| Dec 31, 2022 | $12.48B | $2.59B | 12.14 | $3.22B |
| Dec 31, 2021 | $12.19B | $1.25B | 5.55 | $2.18B |
Latest balance sheet: total assets $53.35B, total liabilities $43.64B, cash $1.06B (as of Jun 30, 2026).
AON earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Jul 29, 2026 | 8-K Item 2.02 (results) | $377.16 |
| May 1, 2026 | 8-K Item 2.02 (results) | $311.51 |
| Jan 30, 2026 | 8-K Item 2.02 (results) | $349.64 |
| Oct 31, 2025 | 8-K Item 2.02 (results) | $340.68 |
| Jul 25, 2025 | 8-K Item 2.02 (results) | $372.89 |
| Apr 25, 2025 | 8-K Item 2.02 (results) | $335.85 |
| Jan 31, 2025 | 8-K Item 2.02 (results) | $370.82 |
| Oct 25, 2024 | 8-K Item 2.02 (results) | $375.44 |
| Jul 26, 2024 | 8-K Item 2.02 (results) | — |
| Apr 26, 2024 | 8-K Item 2.02 (results) | — |
| Feb 2, 2024 | 8-K Item 2.02 (results) | — |
| Oct 27, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.