Company: GIFLF
Filing Date: 2025-09-29
Form Type: 6-K
Source: 0001104659-25-094131
Chunk: 1

Company: Grifols SA
Filing Date: 2025-09-29
Form: 6-K
Chunk 1
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ardones |     | Member               |     | Independent    |
| Mr. Tomás Dagá Gelabert           |     | Member               |     | Other External |
| Mr. Raimon Grifols Roura          |     | Member               |     | Proprietary    |
| Mr. Víctor Grifols Deu            |     | Member               |     | Proprietary    |
| Ms. Núria Martín Barnés           |     | Secretary non-member |     | -              |

| - | To amend and include certain articles of the Regulations of the Internal Functioning of the Board of Directors 
 of Grifols, to regulate the authorities of the newly established Strategy Committee.                           |

The new amended text of the Regulations
of the Internal Functioning of the Board of Directors of Grifols will be communicated to the National Securities Market Commission (Comisión Nacional del Mercado de Valores) through the corresponding procedure authorized for this purpose and is available on Grifols' corporate
website (). Further, it will be filed with the Commercial Registry of Barcelona and will be informed in the next
General Shareholders' Meeting of Grifols.

| In Barcelona, on 29 September 2025  |
| Nuria Martín Barnés                 |
| Secretary to the Board of Directors |

<div align='center'>SIGNATURES</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, thereto duly authorized.

| Grifols, S.A. |                   |                      |
| By:           | /s/ David I. Bell |                      |
|               | Name:             | David I. Bell        |
|               | Title:            | Authorized Signatory |

Date: September 29, 2025