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AI Earnings Predictions for Aon plc (Ireland) (AON)

Machine learning predictions based on historical earnings data and price patterns

Latest Prediction

SELL

1-Day Prediction

-1.58%

$344.72

0% positive prob.

5-Day Prediction

-2.58%

$341.23

0% positive prob.

20-Day Prediction

+1.72%

$356.26

0% positive prob.

Price at prediction: $350.25 Confidence: 100.0% Model AUC: 1.0000 Quarter: Q4 2025

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K SELL

Jan 30, 2026 · 100% conf.

AI Prediction SELL

1D

-1.58%

$344.72

Act: -0.18%

5D

-2.58%

$341.23

Act: -2.34%

20D

+1.72%

$356.26

Price: $350.25 Prob +5D: 0% AUC: 1.000
0001628280-26-004273

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): January 30, 2026

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 15 George's Quay, Dublin 2, Ireland

D02 VR98

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the exten

2025
Q3

Q3 2025 Earnings

8-K

Oct 31, 2025

0001628280-25-047660

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): October 31, 2025

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 15 George's Quay, Dublin 2, Ireland

D02 VR98

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this cha

2025
Q2

Q2 2025 Earnings

8-K

Jul 25, 2025

0001628280-25-035982

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 25, 2025

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 15 George's Quay, Dublin 2, Ireland

D02 VR98

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapte

2025
Q1

Q1 2025 Earnings

8-K

Apr 25, 2025

0001628280-25-019780

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 25, 2025

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 15 George's Quay, Dublin 2, Ireland

D02 VR98

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapt

2024
Q4

Q4 2024 Earnings

8-K

Jan 31, 2025

0001628280-25-003243

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): January 31, 2025

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 15 George's Quay, Dublin 2, Ireland

D02 VR98

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this cha

2024
Q3

Q3 2024 Earnings

8-K

Oct 25, 2024

0001628280-24-043701

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): October 25, 2024

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) 15 George's Quay, Dublin 2, Ireland

D02 VR98

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Metropolitan Building, James Joyce Street Dublin 1, Ireland

D01 K0Y8

(Former name, former address and former fiscal year, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whe

2024
Q2

Q2 2024 Earnings

8-K

Jul 26, 2024

0001628280-24-033048

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 26, 2024

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.750% Senior Notes due 2054AON54New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growt

2024
Q1

Q1 2024 Earnings

8-K

Apr 26, 2024

0001628280-24-018419

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 26, 2024

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.850% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.125% Senior Notes due 2027AON27BNew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.150% Senior Notes due 2029AON29New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon North America, Inc.'s 5.300% Senior Notes due 2031AON31BNew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.000% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.350% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon North America, Inc.'s 5.450% Senior Notes due 2034AON34New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.900% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.900% Senior Notes due 2052AON52New York Stock Exchange Guarantees of Aon North

2023
Q4

Q4 2023 Earnings

8-K

Feb 2, 2024

0001628280-24-002994

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 2, 2024

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 3.50% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 2.85% Senior Notes due 2027AON27New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.05% Senior Notes due 2031 AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantee of Aon Corporation and Aon Global Holdings plc's 5.00% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.35% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon plc’s 4.25% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.45% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.60% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.75% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.90% Senior Notes due 2051 AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On February 2, 2024, Aon plc issued a press release (the “Press Relea

2023
Q3

Q3 2023 Earnings

8-K

Oct 27, 2023

0001628280-23-035349

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): October 27, 2023

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.35% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On October 27, 2023, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended September 30, 2023.

A cop

2023
Q2

Q2 2023 Earnings

8-K

Jul 28, 2023

0001628280-23-025994

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 28, 2023

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.35% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On July 28, 2023, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended June 30, 2023.

A copy of the Pr

2023
Q1

Q1 2023 Earnings

8-K

Apr 28, 2023

0001628280-23-013726

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 28, 2023

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 5.35% Senior Notes due 2033AON33New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On April 28, 2023, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended March 31, 2023.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated he

2022
Q4

Q4 2022 Earnings

8-K

Feb 3, 2023

0001628280-23-002143

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 3, 2023

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.00% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.50% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc's 2.85% Senior Notes due 2027AON27New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.05% Senior Notes due 2031 AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantee of Aon Corporation and Aon Global Holdings plc's 5.00% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon plc’s 4.25% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.45% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.60% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.75% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.90% Senior Notes due 2051 AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On February 3, 2023, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter and year

2022
Q3

Q3 2022 Earnings

8-K

Oct 28, 2022

0001628280-22-027255

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): October 28, 2022

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 5.00% Senior Notes due 2032AON32New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On October 28, 2022, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended September 30, 2022.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on October

2022
Q2

Q2 2022 Earnings

8-K

Jul 29, 2022

0001628280-22-019760

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 29, 2022

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On July 29, 2022, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended June 30, 2022.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on July 29, 2022.

3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

2022
Q1

Q1 2022 Earnings

8-K

Apr 29, 2022

0001628280-22-011254

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 29, 2022

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.85% Senior Notes due 2027 AON27New York Stock Exchange Guarantees of Aon plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 2.60% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange Guarantees of Aon Corporation and Aon Global Holdings plc’s 3.90% Senior Notes due 2052AON52New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On April 29, 2022, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended March 31, 2022.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on April 29, 2022.

3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authori

2021
Q4

Q4 2021 Earnings

8-K

Feb 4, 2022

0001628280-22-001827

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): February 4, 2022

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2026AON 26New York Stock Exchange Guarantees of Aon plc's 2.050% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon plc's 2.600% Senior Notes due 2031AON31ANew York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon plc’s 2.900% Senior Notes due 2045AON51New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On February 4, 2022, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter and year ended December 31, 2021.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on February 4, 2022.

3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Aon plc

By:/s/ Michael Neller Michael Neller Senior Vice President and G

2021
Q3

Q3 2021 Earnings

8-K

Oct 29, 2021

0001628280-21-020779

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): October 29, 2021

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon plc’s 2.05% Senior Notes due 2031AON31New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange Guarantees of Aon plc’s 2.90% Senior Notes due 2051AON51New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On October 29, 2021, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended September 30, 2021.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on October 29, 2021.

3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Aon plc

By:/s/ Michael Neller Michael Neller Senior Vice President and Global Controller

Date:October 29, 2021

4

2021
Q2

Q2 2021 Earnings

8-K

Jul 30, 2021

0001628280-21-014965

aon-20210730false000031529300003152932021-07-302021-07-300000315293us-gaap:CapitalUnitClassAMember2021-07-302021-07-300000315293aon:SeniorNotesDue2023Member2021-07-302021-07-300000315293aon:SeniorNotesDue2024Member2021-07-302021-07-300000315293aon:SeniorNotesDue2025Member2021-07-302021-07-300000315293aon:SeniorNotesDue2026Member2021-07-302021-07-300000315293aon:SeniorNotesDue2042Member2021-07-302021-07-300000315293aon:SeniorNotesDue2043Member2021-07-302021-07-300000315293aon:SeniorNotesDue2044Member2021-07-302021-07-300000315293aon:SeniorNotesDue2045Member2021-07-302021-07-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): July 30, 2021

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On July 30, 2021, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended June 30, 2021.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on July 30, 2021.

3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Aon plc

By:/s/ Michael Neller Michael Neller Senior Vice President and Global Controller

Date:July 30, 2021

4

2021
Q1

Q1 2021 Earnings

8-K

Apr 30, 2021

0001628280-21-008300

aon-20210430false000031529300003152932021-04-302021-04-300000315293us-gaap:CapitalUnitClassAMember2021-04-302021-04-300000315293aon:SeniorNotesDue2023Member2021-04-302021-04-300000315293aon:SeniorNotesDue2024Member2021-04-302021-04-300000315293aon:SeniorNotesDue2025Member2021-04-302021-04-300000315293aon:SeniorNotesDue2026Member2021-04-302021-04-300000315293aon:SeniorNotesDue2042Member2021-04-302021-04-300000315293aon:SeniorNotesDue2043Member2021-04-302021-04-300000315293aon:SeniorNotesDue2044Member2021-04-302021-04-300000315293aon:SeniorNotesDue2045Member2021-04-302021-04-30

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of report (Date of earliest event reported): April 30, 2021

Aon plc (Exact Name of Registrant as Specified in Charter)

Ireland 1-7933 98-1539969 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.)

Metropolitan Building, James Joyce Street, Dublin 1, Ireland             D01 K0Y8 (Address of principal executive offices)              (Zip Code)

Registrant’s telephone number, including area code: +353 1 266 6000

Not Applicable (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading Symbol(s)Name of each exchange on which registered Class A Ordinary Shares $0.01 nominal valueAONNew York Stock Exchange Guarantees of Aon plc’s 4.000% Senior Notes due 2023AON23New York Stock Exchange Guarantees of Aon plc’s 3.500% Senior Notes due 2024AON24New York Stock Exchange Guarantees of Aon plc’s 3.875% Senior Notes due 2025AON25New York Stock Exchange Guarantees of Aon plc’s 2.875% Senior Notes due 2026AON26New York Stock Exchange Guarantees of Aon plc’s 4.250% Senior Notes due 2042AON42New York Stock Exchange Guarantees of Aon plc’s 4.450% Senior Notes due 2043AON43New York Stock Exchange Guarantees of Aon plc’s 4.600% Senior Notes due 2044AON44New York Stock Exchange Guarantees of Aon plc’s 4.750% Senior Notes due 2045AON45New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

2

Item 2.02.             Results of Operations and Financial Condition.

On April 30, 2021, Aon plc issued a press release (the “Press Release”) announcing its results of operations for the quarter ended March 31, 2021.

A copy of the Press Release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01.             Financial Statements and Exhibits.

(a) - (c)   Not applicable.

(d)           Exhibits:

Exhibit Number Description of Exhibit

99.1 Press Release issued by Aon plc on April 30, 2021.

3

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Aon plc

By:/s/ Michael Neller Michael Neller Senior Vice President and Global Controller

Date:April 30, 2021

4

About Aon plc (Ireland) (AON) Earnings

This page provides Aon plc (Ireland) (AON) earnings call transcripts from SEC 8-K filings along with AI-powered predictions for post-earnings price movements. Our machine learning models analyze historical earnings data, pre-earnings price patterns, volume changes, and volatility to predict 1-day, 5-day, and 20-day returns after each earnings release.

Earnings transcripts are sourced directly from SEC EDGAR filings. Predictions are generated using gradient boosting models trained on AON's historical earnings reactions. All predicted returns are shown as percentages, and predicted prices are calculated from the closing price at the time of prediction. Past performance does not guarantee future results.

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