Banco Santander Files October 2025 6-K Report

Ticker: BCDRF · Form: 6-K · Filed: Oct 2, 2025 · CIK: 891478

Banco Santander, S.A. 6-K Filing Summary
FieldDetail
CompanyBanco Santander, S.A. (BCDRF)
Form Type6-K
Filed DateOct 2, 2025
Risk Levellow
Pages2
Reading Time2 min
Sentimentneutral

Sentiment: neutral

Topics: regulatory-filing, foreign-issuer

TL;DR

Santander dropped its October 6-K, standard compliance filing.

AI Summary

Banco Santander, S.A. filed a Form 6-K on October 2, 2025, reporting information relevant to its operations. The filing indicates that the company is a foreign issuer and complies with Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934. This report covers the month of October 2025.

Why It Matters

This filing provides an update on Banco Santander's regulatory compliance and operational reporting for October 2025, which is important for investors tracking the company's disclosures.

Risk Assessment

Risk Level: low — This is a routine regulatory filing (Form 6-K) that typically contains updates or information that does not represent a significant change in the company's financial or operational status.

Key Players & Entities

  • Banco Santander, S.A. (company) — Registrant
  • 001-12518 (dollar_amount) — Commission File Number
  • October 2, 2025 (date) — Filing Date

FAQ

What is the purpose of a Form 6-K filing?

A Form 6-K filing is a report of foreign issuer pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934, used to provide information that the issuer makes or is required to make public in its home country, files or is required to file with a stock exchange, or distributes or is required to distribute to its security holders.

What period does this specific 6-K filing cover?

This Form 6-K filing is for the month of October 2025.

What is Banco Santander's Commission File Number?

Banco Santander's Commission File Number is 001-12518.

Where is Banco Santander's principal executive office located?

Banco Santander's principal executive office is located at Ciudad Grupo Santander, 28660 Boadilla del Monte (Madrid), Spain.

Does Banco Santander file annual reports under Form 20-F or 40-F?

Banco Santander indicates it files annual reports under cover of Form 20-F.

Filing Stats: 577 words · 2 min read · ~2 pages · Grade level 8.3 · Accepted 2025-10-02 06:12:20

Filing Documents

From the Filing

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 October, 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 Item 1 Report of Other Relevant Information dated October 2, 2025 Item 1 Banco Santander, S.A. (the “ Bank ” or “ Banco Santander ”), in compliance with the Securities Market legislation, hereby communicates the following: OTHER RELEVANT INFORMATION Reference is made to our notice of inside information of 30 July 2025 (official registry number 2844) (the “ Buyback Commencement Communication ”), relating to the buyback programme of own shares (the “ Buyback Programme ”) approved by the Board of Directors of Banco Santander. Pursuant to article 5 of Regulation (EU) no. 596/2014 on Market Abuse of 16 April 2014, and articles 2.2 and 2.3 of Commission Delegated Regulation (EU) 2016/1052, of 8 March 2016, the Bank informs of the transactions carried out over its own shares between 25 September and 1 October 2025 (both inclusive). The cash amount of the shares purchased to 1 October 2025 as a result of the execution of the Buyback Programme amounts to 536,140,934 Euros, which represents approximately 31.5% of the maximum investment amount of the Buyback Programme. The programme was announced together with its other characteristics through the Buyback Commencement Communication. With these purchases, the Bank has repurchased approximately 14.5% of its outstanding shares as of 2021. Date Security Transaction Trading venue Number of shares Weighted average price (€) 25/09/ 2025 SAN Purchase XMAD 1,242,726 8.6970 25/09/ 2025 SAN Purchase CEUX 91,734 8.7077 25/09/ 2025 SAN Purchase TQEX 28,609 8.7026 25/09/ 2025 SAN Purchase AQEU 36,931 8.7089 26/09/ 2025 SAN Purchase XMAD 1,031,664 8.7931 26/09/ 2025 SAN Purchase CEUX 103,156 8.8036 26/09/ 2025 SAN Purchase TQEX 28,142 8.7971 26/09/ 2025 SAN Purchase AQEU 37,038 8.8127 29/09/ 2025 SAN Purchase XMAD 938,501 8.8117 29/09/ 2025 SAN Purchase CEUX 151,406 8.8153 29/09/ 2025 SAN Purchase TQEX 47,648 8.8167 29/09/ 2025 SAN Purchase AQEU 62,445 8.8101 30/09/ 2025 SAN Purchase XMAD 1,035,319 8.8185 30/09/ 2025 SAN Purchase CEUX 90,521 8.8198 30/09/ 2025 SAN Purchase TQEX 37,180 8.8156 30/09/ 2025 SAN Purchase AQEU 36,980 8.8289 01/10/ 2025 SAN Purchase XMAD 1,250,549 8.8014 01/10/ 2025 SAN Purchase CEUX 104,254 8.8199 01/10/ 2025 SAN Purchase TQEX 13,564 8.8396 01/10/ 2025 SAN Purchase AQEU 31,633 8.8453 TOTAL 6,400,000 Issuer name : Banco Santander, S.A. - LEI 5493006QMFDDMYWIAM13 Reference of the financial instrument : ordinary shares - Code ISIN ES0113900J37 Detailed information of the transactions carried out within the referred period is attached as Annex I. Boadilla del Monte (Madrid), 2 October 2025 1 ANNEX I Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 25/09/2025 and 01/10/2025 (both inclusive) (https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-25-09-a-01-10-2025.pdf) 2 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. Banco Santander, S.A. Date: October 2, 2025 By: /s/ Pedro de Mingo Kaminouchi Name: Pedro de Mingo Kaminouchi Title: Head of Corporate Compliance

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