{"filing":{"accession_number":"0001292814-26-004630","cik":"0001471055","ticker":"BSBR","company_name":"Banco Santander (Brasil) S.A.","form":"6-K","filing_date":"2026-09-21","report_date":"2026-09-30","primary_document":"bsbr20260921_6k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1471055/000129281426004630/bsbr20260921_6k.htm"},"events":[{"id":34123,"run_id":31391,"accession_number":"0001292814-26-004630","anchor_item_number":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"summary":"The filing discloses a material acquisition activity: Banco Santander's intended voluntary exchange public offers (Brazilian and U.S.) to acquire Banco Santander (Brasil) S.A. The document details filings of a Form F-4 registration statement with the SEC, CVM registration requests for the exchange offer, and an appraisal report prepared for the transaction. This constitutes entry into a material change of control transaction that would materially affect a reasonable investor's assessment of the registrant.","company_name":"Banco Santander (Brasil) S.A.","ticker":"BSBR","filing_date":"2026-09-21","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":37776,"accession_number":"0001292814-26-004630","item_number":null,"item_title":null,"event_type":"ma_activity","event_domain":"operational","is_material":true,"confidence":0.95,"reasoning":"The filing discloses a material acquisition activity: Banco Santander's intended voluntary exchange public offers (Brazilian and U.S.) to acquire Banco Santander (Brasil) S.A. The document details filings of a Form F-4 registration statement with the SEC, CVM registration requests for the exchange offer, and an appraisal report prepared for the transaction. This constitutes entry into a material change of control transaction that would materially affect a reasonable investor's assessment of the registrant.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-09-22T10:03:53.233530+00:00","company_name":"Banco Santander (Brasil) S.A.","ticker":"BSBR","filing_date":"2026-09-21"}]}