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Aon plc (AON) SEC Filings & Earnings Calls

EquiReason read 18 Aon plc SEC filings in the last 12 months. Latest: 8-K on 2026-09-22 — Aon plc entered into new revolving credit agreements totaling $1.0B each, replacing prior facilities. New agreements dated September 18, 2026, with Citibank as administrative agent.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

Insurance Brokers · Financials
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Market cap
64.4B
P/E TTM
16.7
Dividend yield
1.0%
52-week
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Next earnings
29 Oct, in 5 days

Every filing, read

last 12 months · SEC

What happened, the numbers inside, guidance and risks. The original is one click away.

22 Sep 20268-K · 1.01, 1.02, 2.03Aon plc entered into new revolving credit agreements totaling $1.0B each, replacing prior facilities. New agreements dated September 18, 2026, with Citibank as administrative agent and BofA Securities as syndication agent.open

Figures in the filing · each found in the filing text

revolving_credit_facility · 2026-09-18$1.00B
Read the original on SEC EDGAR ↗
17 Sep 20268-KAON issued multiple series of senior notes (2029-2056 maturities) via underwriting agreement, a routine debt capital markets transaction.open

Risks flagged

Increased leverage from new debt issuance, though typical for a large insurance broker.

“Issuance of multiple note series increases total debt outstanding.”
Read the original on SEC EDGAR ↗
11 Sep 20268-K · 8.01Aon plc files financial statements and pro forma combined financials for its acquisition of USI Advantage Corp. via merger, providing audited and unaudited financials for USI.acquisitionopen

Risks flagged

Integration risk from acquiring USI; pro forma financials are based on assumptions and may not reflect actual results.

“Pro forma combined financial information prepared for information purposes only and based on assumptions and estimates.”
Read the original on SEC EDGAR ↗
31 Aug 20268-K · 1.01, 7.01Aon plc entered into a definitive agreement to acquire USI Advantage Corp. for $17 billion in cash, establishing a premier U.S. middle-market platform.acquisitionopen

Figures in the filing · each found in the filing text

Purchase price · Q3-2026$17.00B

Risks flagged

Regulatory approval risk and integration risk

“Completion subject to regulatory approvals; customary termination provisions; integration of combined companies”
Read the original on SEC EDGAR ↗
17 Aug 20268-K · 5.02Reported the departure of a director or principal officer (CEO/CFO change); filed financial statements and exhibits with this reportopen

Risks flagged

CFO transition may create temporary uncertainty in financial leadership.

“Departure of CFO and appointment of interim CFO.”
Read the original on SEC EDGAR ↗
29 Jul 20268-K · 2.02Aon reported Q2 2026 total revenue up 2% to $4.25B, organic revenue growth 5%, adjusted operating margin up 70bps to 28.9%, adjusted EPS up 9% to $3.81, and reaffirmed 2026 guidance. Returned $775M to shareholders via buybacks and dividendsearningsopen

Figures in the filing · each found in the filing text

Total Revenue · Q2-2026$4.25B+2% y/y
Organic Revenue Growth · Q2-20265.0%
Operating Income · Q2-2026$915M+7% y/y
Adjusted Operating Income · Q2-2026$1.23B+5% y/y
Operating Margin · Q2-202621.5%
Adjusted Operating Margin · Q2-202628.9%
Diluted EPS · Q2-2026$2.58-3% y/y
Adjusted EPS · Q2-2026$3.81+9% y/y
Cash provided by operations · Q2-2026$556M-30% y/y
Free Cash Flow · Q2-2026$483M-34% y/y

Guidance

FY2026 guidance reaffirmed: mid-single-digit or greater organic revenue growth, 70-80bps adjusted operating margin expansion, strong adjusted EPS growth, double-digit free cash flow growth

Management reaffirmed 2026 guidance, citing robust client demand and disciplined execution. Guidance includes mid-single-digit or greater organic revenue growth, 70-80bps adjusted operating margin expansion, strong adjusted EPS growth, and double-digit free cash flow growth.

Risks flagged

Human Capital revenue declined 4% due to Wealth Solutions divestiture, partially offset by Health Solutions growth.

“Human Capital revenue decreased $47 million, or 4%, to $1.2 billion.” · word for word

GAAP operating cash flow declined 30% in Q2 due to timing of tax payments and working capital.

“Cash provided by operations │ $556 │ $796 │ (30)%” · word for word

Effective tax rate increased to 22.0% from 15.5% due to geographical income mix and discrete items.

“Effective tax rate was 22.0% in the second quarter compared to 15.5% in the prior-year period.” · word for word
Read the original on SEC EDGAR ↗
29 Jul 202610-QAon reported Q2 2026 results with total revenue up 2.2% YoY and operating margin expansion of 80bps.earningsopen

Figures in the filing · each found in the filing text

Total revenue · Q2-2026$4.25B+2% y/y
Operating income · Q2-2026$915M+7% y/y
Operating margin · Q2-202621.5%
Risk Capital operating margin · Risk Capital · Q2-202630.5%
Human Capital operating margin · Human Capital · Q2-202613.4%
Net income · Q2-2026$724M+3% y/y
Share repurchases · Q2-2026$600M+140% y/y
Effective tax rate · Q2-202622.0%
Cash and cash equivalents and short-term investments · 2026-06-30$1.30B-54% y/y
Commercial paper outstanding · 2026-06-30$299M

Risks flagged

Legal proceedings from Vesttoo matter

“Certain of the Company’s clients and counterparties have initiated or indicated that they may initiate legal proceedings against the Company following allegations in July 2023 that fraudulent letters of credit were issued in the name of third-party banks in connection with transactions for which capital was arranged by Vesttoo Ltd.” · word for word

Legal proceedings from plane crash

“Aon faces legal action arising out of a fatal plane crash in November 2016.” · word for word
Read the original on SEC EDGAR ↗
1 Jul 20268-K · 5.02, 5.07, 8.01Reported the departure of a director or principal officer (CEO/CFO change); submitted matters to a vote of security holdersopen

Risks flagged

Shareholder disapproval of executive compensation may lead to increased engagement or changes

“Advisory vote to approve executive compensation not approved: 69,888,299 for, 110,798,636 against”
Read the original on SEC EDGAR ↗
1 May 202610-QTotal revenue $5.03B (+6% y/y); Risk Capital revenue $3.50B (+10% y/y); Human Capital revenue $1.54B (-0% y/y)open

Figures in the filing · each found in the filing text

Total revenue · Q1-2026$5.03B+6% y/y
Risk Capital revenue · Risk Capital · Q1-2026$3.50B+10% y/y
Human Capital revenue · Human Capital · Q1-2026$1.54B-0% y/y
Operating income · Q1-2026$1.72B+17% y/y
Operating margin · Q1-202634.1%
Risk Capital operating margin · Risk Capital · Q1-202639.5%
Human Capital operating margin · Human Capital · Q1-202628.8%
Net income · Q1-2026$1.55B+24% y/y
Share repurchases · Q1-2026$500M+100% y/y
Interest expense · Q1-2026$179M-13% y/y

Risks flagged

Litigation liability from Vesttoo and plane crash

“Certain of the Company’s clients and counterparties have initiated or indicated that they may initiate legal proceedings against the Company following allegations in July 2023 that fraudulent letters of credit were issued in the name of third-party banks in connection with transactions for which capital was arranged by Vesttoo Ltd.” · word for word

Restructuring execution risk

“The Program is currently expected to result in cumulative costs of $ 1.3 billion, consisting of approximately $ 1.2 billion of cash charges and approximately $ 0.1 billion of non-cash charges.” · word for word

Human Capital revenue decline from divestiture

“Human Capital $ 1,539 $ 1,545”
Read the original on SEC EDGAR ↗
1 May 20268-K · 2.02Total revenue $5.03B (+6% y/y); Organic revenue growth 5; Adjusted operating margin 39.1; Guidance: mid-single-digit or greater organic revenue growth, 70-80bps adjusted operating margin expansion, strong adjusted EPS growth, double-digit fearningsopen

Figures in the filing · each found in the filing text

Total revenue · Q1-2026$5.03B+6% y/y
Organic revenue growth · Q1-20265.0%
Adjusted operating margin · Q1-202639.1%
Adjusted EPS · Q1-2026$6.48+14% y/y
Free cash flow · Q1-2026$363M+332% y/y
Diluted EPS · Q1-2026$5.63+27% y/y
Operating income · Q1-2026$1.72B+17% y/y
Adjusted operating income · Q1-2026$1.97B+8% y/y
Cash provided by operations · Q1-2026$430M+207% y/y
Risk Capital revenue · Risk Capital · Q1-2026$3.50B+10% y/y

Guidance

mid-single-digit or greater organic revenue growth, 70-80bps adjusted operating margin expansion, strong adjusted EPS growth, double-digit free cash flow growth

Reaffirmed 2026 guidance with confidence in mid-single-digit organic growth, margin expansion, and strong cash generation.

Risks flagged

Foreign currency translation risk: favorable $0.36 impact on adjusted EPS in Q1, but de minimis expected in Q2

“If currency were to remain stable at today’s rates, the Company would expect a de minimis impact on adjusted EPS in the second quarter of 2026 and a favorable impact on adjusted EPS of approximately $0.44 per share for the full year 2026.” · word for word

Divestiture impact: 3% unfavorable impact from divestitures on total revenue

“partially offset by a 3% unfavorable impact primarily from divestitures” · word for word
Read the original on SEC EDGAR ↗
28 Apr 2026DEF 14AOrganic Revenue Growth 6; Adjusted Operating Margin 32.4; Adjusted Diluted EPS $17.07 (+9% y/y)open

Figures in the filing · each found in the filing text

Organic Revenue Growth · FY20256.0%
Adjusted Operating Margin · FY202532.4%
Adjusted Diluted EPS · FY2025$17.07+9% y/y
Free Cash Flow · FY2025$3.20B+14% y/y
Capital Returned to Shareholders · FY2025$1.60B
Adjusted Operating Income · FY2025$5.56B+13% y/y
Net Income · FY2025$3.75B

Guidance

Management expresses positive momentum entering the final year of the 3x3 Plan, with strong 2025 results across all key metrics. No explicit forward guidance provided, but tone is confident.

Risks flagged

Cybersecurity and Data Privacy Risk

“The Audit Committee has primary responsibility for the oversight of cybersecurity and data privacy risks and engages in regular discussion with management regarding cybersecurity and data privacy risk mitigation and incident management, including risks arising from the use of artificial intelligence ("AI").” · word for word

Macroeconomic and Geopolitical Uncertainty

“Throughout the year, the Board and the committees review the Company’s management of risk, including but not limited to the areas of ... changing geopolitical and macroeconomic conditions.” · word for word
Read the original on SEC EDGAR ↗
13 Feb 202610-KRevenue $17.18B (+10% y/y); Share repurchases $1.00B (+0% y/y)open

Figures in the filing · each found in the filing text

Revenue · FY2025$17.18B+10% y/y
Share repurchases · FY2025$1.00B0% y/y

Risks flagged

Cybersecurity breach materialization

“Aon has from time to time experienced cybersecurity incidents, such as malicious or destructive code, unauthorized parties gaining access to our information technology systems, ransomware incidents, data loss via malicious and non-malicious methods, and similar incidents, which to date have not had a material impact on our business.” · word for word

Integration risk from NFP acquisition

“integration of acquisitions, including the NFP acquisition, could divert management’s attention from other business concerns and involve inconsistencies in standards, controls, procedures, practices, policies and compensation arrangements, any of which could adversely affect our ability to achieve the anticipated benefits of a given acquisition or otherwise ” · word for word
Read the original on SEC EDGAR ↗
30 Jan 20268-K · 2.02Total revenue $4.30B (+4% y/y); Organic revenue growth 5; Adjusted operating margin 35.5; Guidance: Mid-single-digit or greater organic revenue growth, 70-80 bps adjusted operating margin expansion, strong adjusted EPS growth, double-digitearningsopen

Figures in the filing · each found in the filing text

Total revenue · Q4-2025$4.30B+4% y/y
Organic revenue growth · Q4-20255.0%
Adjusted operating margin · Q4-202535.5%
Adjusted EPS · Q4-2025$4.85+10% y/y
Free cash flow · Q4-2025$1.32B+16% y/y
Diluted EPS · Q4-2025$7.82+138% y/y

Guidance

Mid-single-digit or greater organic revenue growth, 70-80 bps adjusted operating margin expansion, strong adjusted EPS growth, double-digit free cash flow growth

2026 guidance: mid-single-digit+ organic growth, 70-80bps margin expansion, strong EPS and double-digit FCF growth.

Read the original on SEC EDGAR ↗
7 Jan 20268-K · 5.02Reported the departure of a director or principal officer (CEO/CFO change); filed financial statements and exhibits with this reportopen

Risks flagged

Leadership transition risk

“Departure of President; separation agreement includes cash and equity treatment”
Read the original on SEC EDGAR ↗
2 Jan 20268-K · 5.02Reported the departure of a director or principal officer (CEO/CFO change); filed financial statements and exhibits with this reportSEC ↗
31 Oct 202510-QAon reported Q3 2025 revenue of $3,997M (+7.4% YoY) and operating margin expansion to 20.4% from 16.7%, driven by strong Human Capital performance.earningsopen

Figures in the filing · each found in the filing text

Total revenue · Q3-2025$4.00B+7% y/y
Risk Capital revenue · Risk Capital · Q3-2025$2.52B+7% y/y
Human Capital revenue · Human Capital · Q3-2025$1.48B+8% y/y
Operating income · Q3-2025$816M+31% y/y
Operating margin · Q3-202520.4%
Net income attributable to Aon shareholders · Q3-2025$343M
Buyback share · Q3-2025700,000

Risks flagged

Vesttoo litigation exposure

“Certain of the Company’s clients and counterparties have initiated or indicated that they may initiate legal proceedings against the Company following allegations in July 2023 that fraudulent letters of credit were issued in the name of third-party banks in connection with transactions for which capital was arranged by Vesttoo Ltd.” · word for word

Legal proceedings from plane crash

“Aon faces legal action arising out of a fatal plane crash in November 2016. ... claims totaling $844 million.” · word for word

Restructuring execution risk

“The Program is currently expected to result in cumulative costs of $1.0 billion, consisting of approximately $0.9 billion of cash charges and approximately $0.1 billion of non-cash charges.” · word for word
Read the original on SEC EDGAR ↗
31 Oct 20258-K · 2.02Total revenue $4.00B (+7% y/y); Organic revenue growth 7; Adjusted operating income $1.05B (+15% y/y); Guidance: Full-year 2025 targets reaffirmedearningsopen

Figures in the filing · each found in the filing text

Total revenue · Q3-2025$4.00B+7% y/y
Organic revenue growth · Q3-20257.0%
Adjusted operating income · Q3-2025$1.05B+15% y/y
Adjusted operating margin · Q3-202526.3%
Diluted EPS · Q3-2025$2.11+34% y/y
Adjusted EPS · Q3-2025$3.05+12% y/y
Free cash flow · Q3-2025$1.08B+13% y/y
Cash provided by operations · Q3-2025$1.15B+13% y/y
Risk Capital revenue · Risk Capital · Q3-2025$2.50B+7% y/y
Human Capital revenue · Human Capital · Q3-2025$1.50B+8% y/y

Guidance

Full-year 2025 targets reaffirmed

Management reaffirmed full-year 2025 guidance, citing strong performance and confidence in sustainable growth.

Read the original on SEC EDGAR ↗
30 Oct 20258-K · 7.01Aon plc closed the sale of a significant majority of its wealth businesses (Wealthspire Advisors, Fiducient Advisors, Newport Private Wealth) to Madison Dearborn Partners on October 30, 2025; transaction previously announced on September 3,open

Risks flagged

No financial terms disclosed; potential loss of revenue from divested wealth businesses.

“Sale of significant majority of wealth businesses; no deal value or revenue impact provided.”
Read the original on SEC EDGAR ↗

Aon plc — questions

What did Aon plc file recently?
18 SEC filings in the last 12 months. Latest: 8-K on 2026-09-22 — Aon plc entered into new revolving credit agreements totaling $1.0B each, replacing prior facilities. New agreements dated September 18, 2026, with Citibank as administrative agent and BofA Securities as syndication agent.

Every figure on this page comes from Aon plc's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.