Company: BCDRF
Filing Date: 2025-06-03
Form Type: 6-K
Source: 0000950103-25-006866
Chunk: 4

Company: Banco Santander, S.A.
Filing Date: 2025-06-03
Form: 6-K
Chunk 4
---
 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: | June 3, 2025 |     | Banco Santander, S.A. 
 By:                   | /s/ Pedro de Mingo Kaminouchi |                              |
|:------|:-------------|:----|:----------------------|:------------------------------|:-----------------------------|
|       |              |     |                       | Name:                         | Pedro de Mingo Kaminouchi    |
|       |              |     |                       | Title:                        | Head of Corporate Compliance |