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 2019

(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

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 o  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 o  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 o  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

Item	Sequential Page Number
1.Relevant Event, dated May 2, 2019	3

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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 228 of the Consolidated Text of the Securities Market Act, approved by the Legislative Royal Decree 4/2015, of 23 October, Grifols, S.A. (“Grifols”) hereby informs about the following

RELEVANT EVENT

Following the Relevant Event released on 8 April 2016, Grifols informs that it has exercised the option to purchase 51% of the company Interstate Blood Bank, Inc. (“IBBI”), based in Memphis, USA, and its affiliates, for the price of USD 100M. On 8 April 2016 Grifols acquired 49% of IBBI.

IBBI and its affiliates, which have a testing center and 36 collection centers, collected around 900,000 liters of plasma in 2018.

In Barcelona, on 2 May 2019

Nuria Martín Barnés

Secretary to the Board of Directors

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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.

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

Date:  May 2, 2019

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