# EDGAR Filing Document

**Accession Number:** 0000891478
**File Stem:** 0000950103-25-014814
**Filing Date:** 2025-11
**Character Count:** 4801
**Document Hash:** 439239270d8c2190ff9586f11fae0d38
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950103-25-014814.hdr.sgml**: 20251117

**ACCESSION NUMBER**: 0000950103-25-014814

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251117

**FILED AS OF DATE**: 20251117

**DATE AS OF CHANGE**: 20251117

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Banco Santander, S.A.
- **CENTRAL INDEX KEY:** 0000891478
- **STANDARD INDUSTRIAL CLASSIFICATION:** COMMERCIAL BANKS, NEC [6029]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 132617929
- **STATE OF INCORPORATION:** U3
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-12518
- **FILM NUMBER:** 251489179

**BUSINESS ADDRESS:**
- **STREET 1:** CIUDAD GRUPO SANTANDER
- **STREET 2:** BOADILLA DEL MONTE
- **CITY:** MADRID
- **STATE:** U3
- **ZIP:** 28660
- **BUSINESS PHONE:** 34 91 289 32 80

**MAIL ADDRESS:**
- **STREET 1:** CIUDAD GRUPO SANTANDER
- **STREET 2:** BOADILLA DEL MONTE
- **CITY:** MADRID
- **STATE:** U3
- **ZIP:** 28660

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER SA
- **DATE OF NAME CHANGE:** 20070925

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER CENTRAL HISPANO SA
- **DATE OF NAME CHANGE:** 19990512

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANCO SANTANDER S A
- **DATE OF NAME CHANGE:** 19931201

**FORM 6-K**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**Report of Foreign Issuer**

**Pursuant to Rule 13a-16 or 15d-16 of**

**the Securities Exchange Act of 1934**

For the month of November, 2025

Commission File Number: 001-12518

**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 office)*

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-F

**Banco Santander, S.A.**

**TABLE OF CONTENTS**

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| **Item** |  |
| 1 | Report of Inside Information dated November 17, 2025 |

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**Item 1**

![](image_001.jpg)

Banco Santander, S.A., in compliance with the Securities Market legislation, hereby communicates the following:

**INSIDE INFORMATION**

Banco Santander, S.A. (the "**Issuer**" or "**Banco Santander**") announces its decision to carry out the optional early redemption of all outstanding 4.375% Non-Step-Up Non-Cumulative Contingent Convertible Perpetual Preferred Tier 1 Securities, with ISIN code XS2102912966, for an outstanding nominal total value of one billion thirty three million four hundred thousand euros (EUR 1,033,400,000), which are traded on the Global Exchange Market of the Irish Stock Exchange (the "**CoCos**").

The early redemption of all of the outstanding CoCos, which has been authorised by the European Central Bank, will be carried out on the first optional early redemption window on the sixth anniversary date of the issuance, falling on the distribution payment date falling on 14 January 2026, pursuant to Conditions of the Preferred Securities of the relevant prospectus of the CoCos (Offering Circular dated 10 January 2020) (the "**Terms and Conditions**"). The decision of the Issuer to exercise the optional early redemption right is irrevocable, and holders of the CoCos are being informed by means of this announcement of inside information and other foreseen notices, in the form, within the required timeframe, and for the purposes set out in Conditions 6 and 11 of the Terms and Conditions.

The early redemption price, which will be equal to the outstanding nominal value (liquidation preference in the terminology of the prospectus) of each CoCo plus any accrued and unpaid distribution associated to each CoCo up to (but excluding) 14 January 2026, will be paid on such date to the holders of the Preferred Securities by the Principal Paying Agent, in accordance with the Terms and Conditions.

Boadilla del Monte (Madrid), 17 November 2025

**IMPORTANT INFORMATION**

**Not a securities offer** 

This document and the information it contains does not constitute an offer to sell nor the solicitation of an offer to buy any securities.

**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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| | | | | |
|:---|:---|:---|:---|:---|
| | | **Banco Santander, S.A.** | **Banco Santander, S.A.** | **Banco Santander, S.A.** |
| Date: | November 17, 2025 | By: | /s/ Pedro de Mingo Kaminouchi | /s/ Pedro de Mingo Kaminouchi |
|  |  |  | Name: | Pedro de Mingo Kaminouchi |
|  |  |  | Title: | Head of Corporate Compliance |

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