ESTR Estre Ambiental Inc

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

of the Securities Exchange Act of 1934

November 2019

Commission File Number: 001-38333

ESTRE AMBIENTAL, INC.

4509, Avenida Brigadeiro Faria Lima, 8th Floor

Vila Olímpia, São Paulo 04538-133—SP Brazil

+55 11 2124 3100

(Address, Including ZIP Code, and Telephone Number,

Including Area Code, of Registrant’s 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  ☒            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): ☐

On November 1, 2019, Estre Ambiental, Inc. (the “Company”) issued a press release entitled “Estre Ambiental Provides an Update on its Ongoing Debt Restructuring Negotiations, its Liquidity Position and the Sale of Certain Assets”. The Company incorporates herein by reference a copy of the press release dated November 1, 2019 (attached hereto as Exhibit 99.1).