Santander Uk PLC (SNTUF) SEC Filings — 2026 1 SEC filing for Santander Uk PLC (SNTUF) in 2026. FilingsSantander UK plc ABS-15G Filing — ABS-15G · Apr 20, 2026 ExploreAll SNTUF Filings · SNTUF 2025 · All 2026 Filings