6-K/A

CELLECTIS S.A.

(Registrant)

August
31
, 2021

/s/ André Choulika

André Choulika

Chief Executive Officer

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM

6-K/A

(Amendment No. 1 to Report on Form

6-K

(Film No. 211148935)

Report of Foreign Private Issuer

Pursuant to Rule

13a-16

15d-16

under the Securities Exchange Act of 1934

Date of Report:

August 31, 2021

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 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): ☐

Explanatory Note

This report on Form 6-K/A (this “Amendment”) filed by Cellectis S.A. (the “Company”) amends the Company’s report on Form 6-K, which included the Company’s unaudited condensed Consolidated Financial Statements for the three and six-month periods ended June 30, 2021 (the “Report”), filed with the U.S. Securities and Exchange Commission on August 5, 2021, solely to provide the financial statements formatted in iXBRL (Inline eXtensible Business Reporting Language) in accordance with Rule 405 of Regulation S-T and paragraph C.(6)(a)(ii) of the General Instructions to Form 6-K. Exhibit 101 includes information in Inline eXtensible Business Reporting Language.

Other than as expressly set forth above, this Amendment does not, and does not purport to, amend, revise, update or restate the information presented in the Report or reflect any events that have occurred after the Report was originally filed.

Exhibits

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

This report on Form

6-K

shall be deemed to be incorporated by reference in the registration statements of the Company on Form

F-3

(No.

333-238881)

and Form

S-8

(Nos.

333-204205,

333-214884,

333-222482,

333-227717

and 333-258514), to the extent not superseded by documents or reports subsequently filed.


Exhibit		Title

99.1		Cellectis S.A.’s interim report for the three- and six-month periods ended June 30, 2021.

101		The following materials from Cellectis S.A.’s Report on Form 6-K formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) the Interim Statements of Consolidated Financial Position, (ii) the Unaudited Statements of Consolidated Operations, (iii) the Interim Statements of Consolidated Comprehensive Income (Loss), (iv) the Interim Statements of Consolidated Cash Flows, (v) the Statements of Changes in Consolidated Shareholders’ Equity, and (vi) Notes to the Interim Consolidated Financial Statements.

EXHIBIT INDEX


Exhibit		Title

99.1		Cellectis S.A.’s interim report for the three- and six-month period ended June 30, 2021.

101		The following materials from Cellectis S.A.’s Report on Form 6-K formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) the Interim Statements of Consolidated Financial Position, (ii) the Unaudited Statements of Consolidated Operations, (iii) the Interim Statements of Consolidated Comprehensive Income (Loss), (iv) the Interim Statements of Consolidated Cash Flows, (v) the Statements of Changes in Consolidated Shareholders’ Equity, and (vi) Notes to the Interim Consolidated Financial Statements.

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.