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 May 2021

Commission File Number: 001-38954

_____________________

LINX S.A.

(Exact Name as Specified in its Charter)

N/A

(Translation of registrant’s name into English)

Avenida Doutora Ruth Cardoso, 7,221

05425-902 São Paulo, SP

Federative Republic of Brazil

(Address of principal executive offices)

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: ý 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)): 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)(7)): o

LINX S.A. (the “Company”), leading provider of retail management software in Brazil, announces to its shareholders and the market that it has released its Annual Sustainability Report for the year ended December 31, 2020.

The Sustainability Report was prepared in accordance with the guidelines of the Global Reporting Initiative (GRI). The purpose of the Company is to demonstrate how its business is geared towards transforming retail and presents in a broad and detailed way the strategy and actions taken by Linx in the economic, environmental, social and governance dimensions (EESG) throughout the year 2020.

The 2020 Annual Sustainability Report is available on the Company's Investor Relations website (ri.linx.com.br).

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.

Date: May 31, 2021

Linx S.A.

By: /s/ Ramatis Rodrigues

Name: Ramatis Rodrigues

Title: Investor Relations Officer