Sanofi (SNY) 6-K Sanofi and Regeneron Restructure Immuno-Oncology Collaboration for Discovery and Development Programs

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE13a-16 OR15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of January 2019

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 Form20-F or Form40-F.

Form20-F   ☒            Form40-F  ☐

Indicate by check mark if the registrant is submitting the Form6-K in paper as permitted by RegulationS-T Rule 101(b)(1):  ☐

Indicate by check mark if the registrant is submitting the Form6-K in paper as permitted by RegulationS-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 Rule12g3-2(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 Rule12g3-2(b):82-  ☐

In December 2018 and January 2019, Sanofi issued the press releases attached hereto as Exhibit 99.1, 99.2 and 99.3 which are incorporated herein by reference.

Exhibit List

Exhibit No.	Description
Exhibit 99.1	Press release dated January 7, 2019: Sanofi and Regeneron Restructure Immuno-Oncology Collaboration for Discovery and Development Programs
Exhibit 99.2	Press release dated December 26, 2018: FDA Approves VAXELIS™, Sanofi and MSD’s Pediatric Hexavalent Combination Vaccine
Exhibit 99.3	Press release dated December 19, 2018: Dengvaxia® vaccine approved for prevention of dengue in Europe

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Exhibit Index

Exhibit No.	Description
Exhibit 99.1	Press release dated January 7, 2019: Sanofi and Regeneron Restructure Immuno-Oncology Collaboration for Discovery and Development Programs
Exhibit 99.2	Press release dated December 26, 2018: FDA Approves VAXELIS™, Sanofi and MSD’s Pediatric Hexavalent Combination Vaccine
Exhibit 99.3	Press release dated December 19, 2018: Dengvaxia® vaccine approved for prevention of dengue in Europe

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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, thereunto duly authorized.

Dated: January 7, 2019		SANOFI
	By	/s/ Alexandra Roger
		Name:	Alexandra Roger
		Title:	Head of Securities Law and Capital Markets

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