{"filing":{"accession_number":"0001087711-26-000019","cik":"0001087711","ticker":"STNDF","company_name":"Santander UK plc","form":"6-K","filing_date":"2026-08-07","report_date":"2026-06-30","primary_document":"san-20260630.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1087711/000108771126000019/san-20260630.htm"},"events":[{"id":25018,"run_id":22689,"accession_number":"0001087711-26-000019","anchor_item_number":null,"event_type":"periodic_quarterly","event_domain":"periodic","is_material":true,"confidence":0.95,"summary":"This is a quarterly financial report for Santander UK plc covering the six-month period ended 30 June 2026 (Q2 2026). The filing contains XBRL-tagged financial data with segment breakdowns (Retail and Business Banking, Consumer Finance, Corporate and Commercial Banking, Corporate Centre), credit loss staging information (Stage One, Two, Three, POCI), and scenario analysis (Upside, Base Case, Downside scenarios). The structure and content are consistent with an interim/half-year periodic financial report rather than a discrete event disclosure.","company_name":"Santander UK plc","ticker":"STNDF","filing_date":"2026-08-07","form":"6-K","submitted_at":null,"items":null}],"classifications":[{"id":25748,"accession_number":"0001087711-26-000019","item_number":null,"item_title":null,"event_type":"periodic_quarterly","event_domain":"periodic","is_material":true,"confidence":0.95,"reasoning":"This is a quarterly financial report for Santander UK plc covering the six-month period ended 30 June 2026 (Q2 2026). The filing contains XBRL-tagged financial data with segment breakdowns (Retail and Business Banking, Consumer Finance, Corporate and Commercial Banking, Corporate Centre), credit loss staging information (Stage One, Two, Three, POCI), and scenario analysis (Upside, Base Case, Downside scenarios). The structure and content are consistent with an interim/half-year periodic financial report rather than a discrete event disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-6be895f9","taxonomy_version":"v1.3","classified_at":"2026-08-08T00:10:23.152082+00:00","company_name":"Santander UK plc","ticker":"STNDF","filing_date":"2026-08-07"}]}