Banco Santander(SAN) - 2023 Q1 - Quarterly Report

Report of Foreign Issuer FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of March, 2023 Banco Santander, S.A. (Exact name of registrant as specified in its charter) Ciudad Grupo Santander 28660 Boadilla del Monte (Madrid) Spain (Address of principal executive of ice) Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F: Form 20-F X Form 40 ...