Every material Form 8-K Aon filed with the SEC in 2025, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Aon reported third-quarter 2025 results on October 31, 2025. Revenue rose 7% to $4.0 billion and diluted EPS rose 34% to $2.11, while adjusted EPS rose 12% to $3.05. The company said it remains confident in achieving its full-year 2025 financial guidance.
Total revenue was $4.0 billion, up 7%, including 7% organic revenue growth.
Diluted EPS was $2.11 versus $1.57; adjusted EPS was $3.05 versus $2.72, up 12%.
Operating margin was 20.4% versus 16.7%; adjusted operating margin was 26.3% versus 24.6%.
The company repurchased 0.7 million shares for about $250 million and had about $1.6 billion of remaining authorization at September 30, 2025.
Aon plc appointed Jo Ann Jenkins as a director effective August 15, 2025, expanding the board to thirteen members. She will also join the Audit Committee on the same date, and the board determined she is independent under NYSE and SEC standards.
Board increased to thirteen members on August 1, 2025, and Jenkins appointed a director effective August 15, 2025
Jenkins joins the Audit Committee effective August 15, 2025
Jenkins was CEO of AARP from 2014 until her retirement in 2024; she also serves on the boards of General Mills and Avnet
She will receive prorated non-management director compensation and a standard director indemnity agreement
Aon plc said David DeBrunner, currently Vice President, Controller and Chief Accounting Officer at Ally Financial, will become Senior Vice President, Global Controller and Chief Accounting Officer on September 15, 2025, reporting to CFO Edmund Reese. He will succeed Michael Neller, who moves to a new role as Deputy Global Chief People Officer. The filing describes a routine finance leadership change with no reported financial results.
Effective date is September 15, 2025; DeBrunner becomes principal accounting officer on that date
Base salary of $500,000 per year, with a target annual incentive of 100% of salary beginning in 2026
Cash sign-on bonus of up to $2.1 million, paid in installments; unpaid installments are forfeited and paid installments subject to clawback if he leaves or is terminated for cause within two years
Succeeds Michael Neller, Chief Accounting Officer and Global Controller since February 21, 2018
Aon plc reported second-quarter 2025 results on July 25, 2025, with total revenue up 11% to $4.2 billion and organic revenue growth of 6%. Diluted EPS rose 8% to $2.66 and adjusted EPS rose 19% to $3.49, while the company reaffirmed its full-year 2025 financial guidance. For shareholders, the quarter's growth was offset in part by a 8% decline in six-month diluted EPS to $7.10.
Q2 total revenue rose 11% to $4.2 billion, including 6% organic growth and the contribution from NFP.
Q2 diluted EPS was $2.66, up from $2.46; adjusted diluted EPS was $3.49, up from $2.93.
First-half diluted EPS fell 8% to $7.10, while free cash flow rose 13% to $816 million.
Aon repurchased 0.7 million shares for approximately $250 million in Q2 and had about $1.8 billion of remaining authorization.
At its June 27, 2025 annual meeting, Aon shareholders approved an amended and restated 2011 Incentive Plan that adds 3,800,000 Class A Ordinary Shares to the plan's maximum and requires at least a one-year vesting period for equity awards. Shareholders also re-elected all 12 director nominees and approved the advisory executive compensation vote, while the Company separately extended an international assignment letter for Gregory C. Case to June 30, 2026.
Amended Plan adds 3,800,000 Class A Ordinary Shares available for issuance and mandates a minimum one-year vesting period for equity awards, subject to exceptions.
All 12 director nominees were elected; Sarah E. Smith received the most For votes at 175,835,501.
The advisory vote on executive compensation was approved, with 156,384,747 For and 19,184,418 Against.
Gregory C. Case's international assignment letter, set to expire June 30, 2025, was extended to June 30, 2026.
Aon reported first-quarter 2025 results for the three months ended March 31, 2025. Total revenue rose 16% to $4.7 billion, helped by the NFP acquisition, while diluted EPS fell 17% to $4.43 and adjusted EPS was flat at $5.67. Aon reaffirmed its 2025 guidance and raised its quarterly dividend by 10%.
Total revenue rose 16% to $4.7 billion; Organic revenue growth was 5%.
Diluted EPS was $4.43 versus $5.35 a year earlier; adjusted EPS was $5.67 versus $5.66.
Operating income was $1.5 billion, flat versus the prior year; free cash flow fell 68% to $84 million.
Aon reaffirmed 2025 guidance and announced a 10% increase to its quarterly dividend.
Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Aon filing is on SEC EDGAR ↗. 8-K briefs of other companies →