UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 OF THE
SECURITIES EXCHANGE ACT OF 1934

For the month May  2023

(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 ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (1):

Yes ¨  No x

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101 (b) (7):

Yes ¨  No x

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes ¨  No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-         .                       .

Grifols, S.A.

TABLE OF CONTENTS

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:  May 10, 2023

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

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

OTHER RELEVANT INFORMATION

The Company informs that the Board of Directors has approved a long term incentive plan based on the award of stock options (the “Plan”) for certain executive directors, members of the senior management team of Grifols and its affiliates and other employees of the Group.

The Plan, offered on a one-time basis, will be in accordance with the following basic conditions:

It is worth noting that for the abovementioned two executive directors and members of the senior management team, the Plan is subject to approval by the Company's Shareholders' Meeting. Further, the Executive Chairman and Chief Executive Officer is not a Participant under this Plan.

The Company will allocate treasury shares currently held or which it may come to hold to cover the needs of the Plan.

As a condition to vest the Options awarded, each Participant will have to be continuously employed by Grifols in each vesting date and, also, vesting is subject to the achievement of specific, predetermined and quantifiable objectives, related to financial and non-financial metrics, with the aim of rewarding the creation of value through the achievement of the objectives set by the Company. Further, vesting will also be conditioned upon passing an individual performance evaluation.