{"filing":{"accession_number":"0001279569-26-000902","cik":"0001097362","ticker":"SUNFF","company_name":"SUN LIFE FINANCIAL INC","form":"6-K","filing_date":"2026-09-21","report_date":"2026-09-21","primary_document":"sunlife6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1097362/000127956926000902/sunlife6k.htm"},"events":[{"id":34118,"run_id":31386,"accession_number":"0001279569-26-000902","anchor_item_number":"EX-99.1","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"summary":"Sun Life announces its intention to redeem $500 million principal amount of Series 2021-1 Subordinated Unsecured 2.46% Fixed/Floating Debentures on November 18, 2026. While this is technically a redemption (retirement) of existing debt rather than issuance of new debt, it represents a material modification of the registrant's direct financial obligations and capital structure. The redemption will be funded from existing cash and liquid assets, signaling a deliberate capital management decision. This falls under debt-related activity; `debt_issuance` is the closest fit in the taxonomy for material debt transactions, though the event is technically a debt retirement rather than creation.","company_name":"SUN LIFE FINANCIAL INC","ticker":"SUNFF","filing_date":"2026-09-21","form":"6-K","submitted_at":null,"items":[{"id":37771,"accession_number":"0001279569-26-000902","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Sun Life announces its intention to redeem $500 million principal amount of Series 2021-1 Subordinated Unsecured 2.46% Fixed/Floating Debentures on November 18, 2026. While this is technically a redemption (retirement) of existing debt rather than issuance of new debt, it represents a material modification of the registrant's direct financial obligations and capital structure. The redemption will be funded from existing cash and liquid assets, signaling a deliberate capital management decision. This falls under debt-related activity; `debt_issuance` is the closest fit in the taxonomy for material debt transactions, though the event is technically a debt retirement rather than creation.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:02:13.977816+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":37771,"accession_number":"0001279569-26-000902","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"debt_issuance","event_domain":"financial","is_material":true,"confidence":0.75,"reasoning":"Sun Life announces its intention to redeem $500 million principal amount of Series 2021-1 Subordinated Unsecured 2.46% Fixed/Floating Debentures on November 18, 2026. While this is technically a redemption (retirement) of existing debt rather than issuance of new debt, it represents a material modification of the registrant's direct financial obligations and capital structure. The redemption will be funded from existing cash and liquid assets, signaling a deliberate capital management decision. This falls under debt-related activity; `debt_issuance` is the closest fit in the taxonomy for material debt transactions, though the event is technically a debt retirement rather than creation.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:02:13.977816+00:00","company_name":"SUN LIFE FINANCIAL INC","ticker":"SUNFF","filing_date":"2026-09-21"}]}