Company: GIFLF
Filing Date: 2025-02-27
Form Type: 6-K
Source: 0001104659-25-018319
Chunk: 0

Company: Grifols SA
Filing Date: 2025-02-27
Form: 6-K
Chunk 0
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<div align='center'>UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of February 2025

Commission File No. 001-35193

Grifols, S.A.

(Translation of registrant’s name into English)

Avinguda de la Generalitat, 152-158

Parc de Negocis Can Sant Joan

Sant Cugat del Valles 08174

Barcelona, Spain

(Address of registrant’s principal executive
office)</div>

Indicate by check mark whether the registrant files or will file annual
reports under cover Form 20-F or Form 40-F.

<div align='center'>Form 20-FxForm 40-F ¨

Grifols, S.A.

TABLE OF CONTENTS</div>

| 2025 Capital Markets Day - 2 -                                                                                                                                                                         
 Disclaimer                                                                                                                                                                                             
 This document has been prepared by GRIFOLS, S.A. (Grifols or the “Company”) exclusively for use during the 2025 Capital Markets Day on February 27, 2025. Therefore, it cannot be disclosed or         
 made public by any person or entity with an aim other than the one expressed above, without the prior written consent of the Company. The Company does not assume any liability for the                
 content of this document if used for different purposes thereof. The information and any opinions or statements made in this document have neither been verified by independent third parties nor      
 audited; therefore, no express or implied warranty is made as to the impartiality, accuracy, completeness or correctness of the information or the opinions or statements expressed herein. Neither    
 the Company, its subsidiaries nor any entity within the GRIFOLS group or any subsidiaries, the company’s advisors or representatives assume liability of any kind, whether for negligence or any       
 other reason, for any damage or loss arising from any use of this document or its contents. Neither this document nor any part of it constitutes a contract, nor may it be used for incorporation into 
 or construction of any contract or agreement.                                                                                                                                                          
 IMPORTANT INFORMATION                                                                                                                                                                                  
 This document does not constitute an offer or invitation to purchase or subscribe shares, in accordance with the provisions of the Spanish Securities Market and Investment Services Law (Law