AON Aon plc
company
SEC Filings & Insider Trading Activity 2026

CIK: 315293
Financials
Insurance Agents, Brokers & Service 65 filings
S&P 500

Latest Aon plc (AON) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on February 13, 2026, a 10-Q quarterly report filed on May 1, 2026, an 8-K current report filed on July 29, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Aon plc (AON) (SEC CIK 315293), with AI-powered section-by-section summaries updated daily.

10-Q: 37
10-K: 12
SC 13G: 10
8-K: 6

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 13, 2026
10-Q Quarterly Report
May 1, 2026
8-K Current Report
Jul 29, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Business Overview

  • Core business model: global professional services firm providing risk, retirement, and health solutions through brokerage and consulting
  • New emphasis on AI innovation, including generative AI tools with governance to manage operational, legal, and reputational risks
  • Strategic shift focusing on proprietary data and analytics tools, notably in insurance/reinsurance placement, to differentiate offerings
  • 51.8% of consolidated revenue generated outside U.S., exposing business to currency exchange risks impacting financial results
  • Total consolidated debt approx. $15.2 billion as of Dec 31, 2025, heightening financial leverage and impacting operational flexibility

Risk Factors

  • Oversight of cybersecurity risks by Audit Committee includes risks from artificial intelligence use and regular CISO reporting
  • Exposure to evolving cybersecurity threats despite risk-based safeguards aligned with NIST Cybersecurity Framework
  • Third-party risk governance program requires supplier compliance with Aon’s data security mandates and periodic contract reviews
  • Reliance on external service providers to assess and assist with security processes introduces potential operational vulnerabilities
  • Cybersecurity insurance in place but may not cover all losses from breaches or data privacy events

Management Discussion & Analysis

  • Revenue $17.2B, up $1.5B (9%) YoY; Risk Capital $11.3B (+7%), Human Capital $5.9B (+13%)
  • Operating margin 25.3% vs 24.4% YoY; Risk Capital margin down 30.4% vs 31.3%; Human Capital margin up 23.9% vs 21.9%
  • Best performing segment: Human Capital operating income +23% to $1.4B; Worst performing: Risk Capital margin decline despite +4% income growth to $3.4B
  • Operating cash flow $3.5B, up $446M (15%); Free cash flow $3.2B, up $401M (14%); Capex increased $45M; NFP acquisition-related expenses and $1.2B gain on NFP Wealth sale
  • Management notes uncertainties from global minimum tax (OECD Pillar Two) and ongoing integration of NFP; 2026 risks include tax regime changes and market conditions

Go deeper on Aon plc

Ask AI about AON filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

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Annual Reports Archive
10-K

AI-powered analysis of Aon plc (AON) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Aon plc (AON) 10-Q quarterly reports filed with SEC EDGAR.

Financial Summary
XBRL

FY2023FY2024FY2025
Profitability
Revenue-$15.7B$17.2B
Operating Income-$3.8B$4.3B
Net Income$2.6B$2.7B$3.7B
Op. Margin-24.4%25.3%
Net Margin-16.9%21.5%
Balance Sheet
Total Assets$34.0B$49.0B$50.8B
Equity-$6.1B$9.4B
ROE-43.4%39.5%
Per Share
EPS$12.51$12.49$17.02
Cash Flow
Operating CF-$3.0B$3.5B
CapEx$252.0M$218.0M$263.0M

Source: XBRL financial data from Aon plc (AON) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Jul 29, 2026---
8-K
Jul 1, 2026---
8-K
May 1, 2026---
10-Q
May 1, 2026Mar 31, 2026-
10-K
Feb 13, 2026Dec 31, 2025Analysis
8-K
Jan 30, 2026--
8-K
Jan 7, 2026--
8-K
Jan 2, 2026--
10-Q
Oct 31, 2025Sep 30, 2025Analysis
10-Q
Jul 25, 2025Jun 30, 2025-
10-Q
Apr 25, 2025Mar 31, 2025-
10-K
Feb 18, 2025Dec 31, 2024-
SC 13G
Nov 13, 2024--
10-Q
Oct 25, 2024Sep 30, 2024-
10-Q
Jul 26, 2024Jun 30, 2024-
10-Q
Apr 26, 2024Mar 31, 2024-
10-K
Feb 16, 2024Dec 31, 2023-
10-Q
Oct 27, 2023Sep 30, 2023-
10-Q
Jul 28, 2023Jun 30, 2023-
10-Q
Apr 28, 2023Mar 31, 2023-
10-K
Feb 17, 2023Dec 31, 2022-
10-Q
Oct 28, 2022Sep 30, 2022-
10-Q
Jul 29, 2022Jun 30, 2022-
10-Q
Apr 29, 2022Mar 31, 2022-
10-K
Feb 18, 2022Dec 31, 2021-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate AON share value held by 13F filers tracked by SignalX, by quarter.

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers

Source: 13F-HR filings on SEC EDGAR (aggregated from 324 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest AON SEC filings in 2026?

Aon plc (AON) has filed a 10-K annual report on February 13, 2026, a 10-Q quarterly report on May 1, 2026, an 8-K current report on July 29, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did AON file its most recent 10-K annual report?

Aon plc (AON) filed its most recent 10-K annual report on February 13, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view AON 10-Q quarterly reports?

Aon plc (AON)'s most recent 10-Q quarterly report was filed on May 1, 2026. SignalX displays every AON 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has AON filed recently?

Aon plc (AON)'s most recent 8-K was filed on July 29, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find AON insider trading activity (Form 4)?

SignalX aggregates every AON Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does AON file with the SEC?

Aon plc (AON) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new AON filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Aon plc (AON).

What is AON's SEC CIK number?

Aon plc (AON)'s SEC CIK (Central Index Key) number is 315293. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 315293 to look up all AON filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find AON return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Aon plc (AON) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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