{"filing":{"accession_number":"0001279569-26-000825","cik":"0001097362","ticker":"SUNFF","company_name":"SUN LIFE FINANCIAL INC","form":"6-K","filing_date":"2026-08-25","report_date":"2026-08-25","primary_document":"sunlife6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1097362/000127956926000825/sunlife6k.htm"},"events":[{"id":29370,"run_id":26887,"accession_number":"0001279569-26-000825","anchor_item_number":"EX-99.1","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.92,"summary":"Sun Life and Wilton Re have entered into a definitive agreement to establish a strategic reinsurance and asset management partnership involving the creation of Windsor Life Re, a new reinsurer capitalized with approximately US$900 million (with Sun Life and Wilton Re each contributing roughly one-third of equity), and an initial in-force block reinsurance of approximately US$1.7 billion. This constitutes a material acquisition/partnership transaction that combines significant capital deployment, asset management responsibilities, and business integration, expected to launch in H1 2027 subject to regulatory approvals.","company_name":"SUN LIFE FINANCIAL INC","ticker":"SUNFF","filing_date":"2026-08-25","form":"6-K","submitted_at":null,"items":[{"id":31629,"accession_number":"0001279569-26-000825","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.92,"reasoning":"Sun Life and Wilton Re have entered into a definitive agreement to establish a strategic reinsurance and asset management partnership involving the creation of Windsor Life Re, a new reinsurer capitalized with approximately US$900 million (with Sun Life and Wilton Re each contributing roughly one-third of equity), and an initial in-force block reinsurance of approximately US$1.7 billion. This constitutes a material acquisition/partnership transaction that combines significant capital deployment, asset management responsibilities, and business integration, expected to launch in H1 2027 subject to regulatory approvals.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-25T13:20:40.117591+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":31629,"accession_number":"0001279569-26-000825","item_number":"EX-99.1","item_title":"ex991.htm","event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.92,"reasoning":"Sun Life and Wilton Re have entered into a definitive agreement to establish a strategic reinsurance and asset management partnership involving the creation of Windsor Life Re, a new reinsurer capitalized with approximately US$900 million (with Sun Life and Wilton Re each contributing roughly one-third of equity), and an initial in-force block reinsurance of approximately US$1.7 billion. This constitutes a material acquisition/partnership transaction that combines significant capital deployment, asset management responsibilities, and business integration, expected to launch in H1 2027 subject to regulatory approvals.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-25T13:20:40.117591+00:00","company_name":"SUN LIFE FINANCIAL INC","ticker":"SUNFF","filing_date":"2026-08-25"}]}