Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

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 2021

Commission File Number: 001-31368

SANOFI

(Translation of registrant’s name into English)

54, rue La Boétie, 75008 Paris, FRANCE

(Address of principal executive offices)

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 ☒ 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): ☐

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): ☐

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 ☒

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

In April 2021, Sanofi issued the press release attached hereto as Exhibit 99.1 which is incorporated herein by reference.

Exhibit List


Exhibit No.		Description

Exhibit 99.1	Press release dated April 28, 2021: Sanofi continued its growth trajectory. Strong increase in Q1 2021 business EPS(1) at CER.

Exhibit Index


Exhibit No.		Description

Exhibit 99.1	Press release dated April 28, 2021: Sanofi continued its growth trajectory. Strong increase in Q1 2021 business EPS(1) at CER.

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, thereunto duly authorized.