# Banco Santander, S.A.: Form 6-K, filed Sep 29, 2026

- Company: [Banco Santander, S.A.](/companies/san.md) (CIK 891478)
- Form: 6-K
- Filed: 2026-09-29
- Accepted by EDGAR: Sep 29, 2026, 08:37 ET
- Period: 2026-09-29
- Accession: 0000950103-26-014666
- Inline XBRL: no
- Main document: https://www.sec.gov/Archives/edgar/data/891478/000095010326014666/dp254007_6k.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/891478/000095010326014666/

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/891478/000095010326014666/dp254007_6k.htm

Filed Sep 29, 2026.
Source: SEC EDGAR, the filing index for accession 0000950103-26-014666. Last ingested by Listed: Oct 30, 2026, 06:14 ET. No prices; not investment advice.