Banco Santander, S.A 6-K, filed Dec 30, 2025
Banco Santander, S.A. (SAN)
About this 6-K
Banco Santander, S.A filed this 6-K on December 30, 2025.
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 December, 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 |
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| 1 | Report of Other Relevant Information dated December 30, 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
Further to the notice of other relevant information registered with the Spanish National Securities Market Commission (Comisión Nacional del Mercado de Valores) on 23 December 2025 (registry number 38297), it is communicated that on 30 December 2025 the public deed of capital reduction (and consequent Bylaw amendment) for the amount of EUR 98,002,935, through the cancellation of 196,005,870 own shares, representing approximately 1.32% of the Bank’s share capital, was registered with the Commercial Registry of Santander.
Consequently, the Bank’s share capital has been set at EUR 7,344,659,751, represented by 14,689,319,502 shares with a nominal value of EUR 0.50 each. All of the shares belong to the same class and have the same rights.
It is stated for the record that, once the nine buyback programmes carried out against results since 2021 have been completed, the accumulated share capital reduction amounts to EUR 1,325,660,900, with the Bank having repurchased 2,651,321,800 shares since 2021, approximately 15.3% of its outstanding shares as of that date.
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| Boadilla del Monte (Madrid), 30 December 2025 |
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: | December 30, 2025 | By: | /s/ Pedro de Mingo Kaminouchi | ||
| Name: | Pedro de Mingo Kaminouchi | ||||
| Title: | Head of Corporate Compliance | ||||