{"filing":{"accession_number":"0001193125-26-397203","cik":"0000315293","ticker":"AON","company_name":"Aon plc","form":"8-K","filing_date":"2026-09-22","report_date":"2026-09-18","primary_document":"d38875d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/315293/000119312526397203/d38875d8k.htm"},"events":[{"id":34147,"run_id":31417,"accession_number":"0001193125-26-397203","anchor_item_number":"1.01","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"Aon plc entered into material credit agreements on September 18, 2026—a $4 billion delayed draw term loan facility and a $3 billion unsecured revolving credit facility—to fund the USI Acquisition, while terminating two existing revolving credit facilities. The financing arrangements are explicitly tied to the acquisition and represent a refinancing of the company's capital structure to support the material M\u0026A transaction.","company_name":"Aon plc","ticker":"AON","filing_date":"2026-09-22","form":"8-K","submitted_at":null,"items":[{"id":37804,"accession_number":"0001193125-26-397203","item_number":"1.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"Aon plc entered into two material credit agreements on September 18, 2026: a $4 billion delayed draw term loan facility (split into $2 billion two-year and $2 billion three-year tranches) and a $3 billion unsecured revolving credit facility. These agreements create new direct financial obligations to fund the USI Acquisition and replace existing credit facilities. The term loan proceeds are explicitly designated to pay cash consideration for the acquisition, making this a debt issuance event material to investors assessing the company's capital structure and leverage.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:31:45.542432+00:00","company_name":"","ticker":null,"filing_date":""},{"id":37805,"accession_number":"0001193125-26-397203","item_number":"1.02","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Aon terminated two revolving credit facilities ($1 billion each, dated 2021 and 2023) in connection with entering into a new Revolving Credit Agreement effective September 18, 2026. While Item 1.02 formally addresses termination, the substance is a refinancing—replacement of existing credit facilities with a new one. This is material as it reflects the company's capital structure and credit arrangements. The event is classified as debt_issuance rather than a standalone termination because the terminations are explicitly tied to the creation of a new credit facility, making the refinancing the principal economic event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:31:45.542432+00:00","company_name":"","ticker":null,"filing_date":""},{"id":37806,"accession_number":"0001193125-26-397203","item_number":"2.03","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Item 2.03 incorporates by reference Items 1.01 and 1.02, which address material acquisitions, dispositions, and changes of control. The cross-reference structure indicates that the financial obligation disclosed under Item 2.03 is ancillary to an M\u0026A transaction rather than a standalone debt issuance. Without the full text of Items 1.01/1.02, the most likely primary event is M\u0026A activity, though a debt_issuance classification would also be defensible if the obligation is the principal disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:31:45.542432+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":37804,"accession_number":"0001193125-26-397203","item_number":"1.01","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.95,"reasoning":"Aon plc entered into two material credit agreements on September 18, 2026: a $4 billion delayed draw term loan facility (split into $2 billion two-year and $2 billion three-year tranches) and a $3 billion unsecured revolving credit facility. These agreements create new direct financial obligations to fund the USI Acquisition and replace existing credit facilities. The term loan proceeds are explicitly designated to pay cash consideration for the acquisition, making this a debt issuance event material to investors assessing the company's capital structure and leverage.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:31:45.542432+00:00","company_name":"Aon plc","ticker":"AON","filing_date":"2026-09-22"},{"id":37805,"accession_number":"0001193125-26-397203","item_number":"1.02","item_title":null,"event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Aon terminated two revolving credit facilities ($1 billion each, dated 2021 and 2023) in connection with entering into a new Revolving Credit Agreement effective September 18, 2026. While Item 1.02 formally addresses termination, the substance is a refinancing—replacement of existing credit facilities with a new one. This is material as it reflects the company's capital structure and credit arrangements. The event is classified as debt_issuance rather than a standalone termination because the terminations are explicitly tied to the creation of a new credit facility, making the refinancing the principal economic event.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:31:45.542432+00:00","company_name":"Aon plc","ticker":"AON","filing_date":"2026-09-22"},{"id":37806,"accession_number":"0001193125-26-397203","item_number":"2.03","item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"Item 2.03 incorporates by reference Items 1.01 and 1.02, which address material acquisitions, dispositions, and changes of control. The cross-reference structure indicates that the financial obligation disclosed under Item 2.03 is ancillary to an M\u0026A transaction rather than a standalone debt issuance. Without the full text of Items 1.01/1.02, the most likely primary event is M\u0026A activity, though a debt_issuance classification would also be defensible if the obligation is the principal disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:31:45.542432+00:00","company_name":"Aon plc","ticker":"AON","filing_date":"2026-09-22"}]}