Cellectis (CLLS) 6-K Current report (foreign)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM6-K

Report of Foreign Private Issuer

Pursuant to Rule13a-16 or15d-16

of the Securities Exchange Act of 1934

Date of Report: May 7, 2019

Commission File Number:001-36891

Cellectis S.A.

(Exact Name of registrant as specified in its charter)

8, rue de la Croix Jarry

75013 Paris, France

+33 1 81 69 16 00

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form20-F or Form40-F:Form 20-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):  ☐

EXHIBIT INDEX

Exhibit	Title
99.1	Cellectis S.A.’s interim report for the three-month period ended March 31, 2019.

Exhibits

The following document, which is attached as an exhibit hereto, is incorporated by reference herein.

This report on Form6-K shall be deemed to be incorporated by reference in the registration statements of Cellectis S.A. on FormF-3 (No.333-217086) and FormS-8 (Nos.333-204205,333-214884,333-222482 and333-227717), to the extent not superseded by documents or reports subsequently filed.

Exhibit	Title
99.1	Cellectis S.A.’s interim report for the three-month period ended March 31, 2019.

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.

	CELLECTIS S.A. (Registrant)
May 7, 2019	By:	/s/ André Choulika
		André Choulika
		Chief Executive Officer