Company: BCDRF
Filing Date: 2025-09-30
Form Type: 6-K
Source: 0000950103-25-012515
Chunk: 4

Company: Banco Santander, S.A.
Filing Date: 2025-09-30
Form: 6-K
Chunk 4
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 sell nor the solicitation of an offer to buy any securities.

Past performance does not indicate future outcomes

Statements about historical performance or growth
rates must not be construed as suggesting that future performance, share price or results (including earnings per share) will necessarily
be the same or higher than in a previous period. Nothing in this document should be taken as a profit and loss forecast.

<div align='center'>SIGNATURE</div>

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.

| Date: | September 30, 2025 | Banco Santander, S.A. 
 By:                   | /s/ Pedro de Mingo Kaminouchi |                              |
|:------|:-------------------|:----------------------|:------------------------------|:-----------------------------|
|       |                    |                       | Name:                         | Pedro de Mingo Kaminouchi    |
|       |                    |                       | Title:                        | Head of Corporate Compliance |