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 April 2024

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)

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

Form 20-F x                                                      Form 40-F o

Grifols, S.A.

TABLE OF CONTENTS

Grifols, S.A.   Avinguda de la Generalitat 152-158 08174 Sant Cugat del Vallès Barcelona - SPAIN   Tel. [34] 935 710 500 Fax [34] 935 710 267   www.grifols.com

Pursuant to the provisions of Article 227 of Law 6/2023 of March 17, 2002, on Securities Markets and Investment Services, Grifols, S.A. ("Grifols" or the "Company") hereby informs about the following

OTHER RELEVANT INFORMATION

As a continuation of the "Other Relevant Information" communication dated 10 April 2024, in which Grifols informed about pursuing the raising of senior secured notes, the Company reports the signing subject to customary closing conditions of the private offering of EUR 1 billion of 7.5% senior secured notes due April 2030 (the "Notes").

The full proceeds from this transaction will be used to redeem Grifols' Senior Unsecured Notes due in May 2025. The security features and terms of these Notes are significantly consistent with the Company’s existing senior secured documentation including with respect to collateral and guarantors.

This transaction marks a significant financial milestone for the Company and fortifies the Company's long-term financial framework.

SIGNATURES

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.

Date:  April 23, 2024