Company: BCDRF
Filing Date: 2025-02-20
Form Type: 6-K
Source: 0000950103-25-002208
Chunk: 1

Company: Banco Santander, S.A.
Filing Date: 2025-02-20
Form: 6-K
Chunk 1
---
 | AQEU          |          262,511 |                     5.8806 |
| 19/02/2025 | SAN      | Purchase    | XMAD          |        1,555,067 |                     5.8694 |
| 19/02/2025 | SAN      | Purchase    | CEUX          |          582,190 |                     5.8742 |
| 19/02/2025 | SAN      | Purchase    | TQEX          |          198,647 |                     5.8796 |
| 19/02/2025 | SAN      | Purchase    | AQEU          |          264,096 |                     5.8659 |
|            |          |             | TOTAL         |       12,500,000 |                            |

1

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), 20 February 2025

2

<div align='center'>ANNEX I</div>

Detailed information on each of the transactions carried out within the context of the Buy-back Programme between 13/02/2025 and 19/02/2025 (both inclusive)

(https://www.santander.com/content/dam/santander-com/es/documentos/cumplimiento/do-anexo-i-13-feb-a-19-feb-2025.pdf)

3

<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: | February 20, 2025 |     | Banco Santander, S.A. 
 By:                   | /s/ Pedro de Mingo Kaminouchi |                              |
|:------|:------------------|:----|:----------------------|:------------------------------|:-----------------------------|
|       |                   |     |                       | Name:                         | Pedro de Mingo Kaminouchi    |
|       |                   |     |                       | Title:                        | Head of Corporate Compliance |