Aon plc

Aon plc

AONยทNYSE

$315.60

-0.71%
Financial ServicesInsurance - Brokers

Aon plc, a professional services firm, provides advice and solutions to clients focused on risk, retirement, and health worldwide. It offers commercial risk solutions, including retail brokerage, cyber, and global risk consulting solutions, as well as acts as a captives management; and health solutions, such as health and benefits brokerages, and health care exchanges. The company also provides treaty and facultative reinsurance, as well as insurance-linked securities, capital raising, strategic advice, restructuring, and mergers and acquisitions services; and corporate finance advisory services and capital markets solutions products. In addition, it offers strategic design consulting services on their retirement programs, actuarial services, and risk management services; advice services on developing and maintaining investment programs across a range of plan types, including defined benefit plans, defined contribution plans, endowments, and foundations for public and private companies, and other institutions; and advice and solutions that help clients in risk, health, and wealth through commercial risk, reinsurance, health, and wealth solutions. Further, the company offers CoverWallet; Affinity; Aon Inpoint; CoverWallet; and ReView services. Aon plc was founded in 1919 and is headquartered in Dublin, Ireland.

At a Glance

Live Snapshot
Market Cap$67.40B
EPS17.1300
P/E Ratio18.42
Earnings Date07/24/2026

SEC Filings

AON - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 01, 2026
May 01, 2026
2026
10-Q

10-Q 2026 Q1

Q1

May 01, 2026
March 31, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 28, 2026
June 26, 2026
2026
10-K

10-K 2025 FY

FY

February 13, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

January 30, 2026
January 30, 2026
2026
8-K

8-K 2026

N/A

January 07, 2026
January 06, 2026
2026
8-K

8-K 2025

N/A

January 02, 2026
December 31, 2025
2025
8-K

8-K 2025

N/A

October 31, 2025
October 31, 2025
2025
10-Q

10-Q 2025 Q3

Q3

October 31, 2025
September 30, 2025
2025
8-K

8-K 2025

N/A

October 30, 2025
October 30, 2025
2025
Showing 1 to 10 of 549 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

  • Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
  • Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
  • Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
  • Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
  • Historical Context: Years of filings provide trend analysis and context for current performance