SUZ 6-K
Suzano S.A. (SUZ)
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 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 August, 2026.
Commission File Number 001-38755
Suzano S.A. (Exact name of registrant as specified in its charter)
SUZANO INC. (Translation of Registrant’s Name into English)
Av. Professor Magalhaes Neto, 1,752 10th Floor, Rooms 1010 and 1011 Salvador, Brazil 41 810-012 (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): ☐
Enclosures:
Exhibit 99.1 – Company’s Shareholders’ Agreement
SIGNATURE
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: August 20ᵗʰ, 2026
| SUZANO S.A. | |
|---|---|
| By: | /s/ Marcos Moreno Chagas Assumpção |
| Name: | Marcos Moreno Chagas Assumpção |
| Title: | Vice-President of Finance and Investor Relations |
Document
SUZANO S.A.
Publicly-Held Company
Corporate Taxpayer ID (CNPJ/MF): 16.404.287/0001-55
Company Registry (NIRE): 29.3.0001633-1
NOTICE TO THE MARKET
São Paulo, August 20, 2026 – Suzano S.A. (“Company” or “Suzano”) (B3: SUZB3 / NYSE: SUZ), with reference to the Material Fact and the Notice to the Market disclosed on December 19, 2025, hereby informs its shareholders and the market in general that, as of this date, the provisions of the Company’s Shareholders’ Agreement, entered into on December 19, 2025 between Suzano Holding S.A. and the shareholders comprising the Fanny Group, have become effective.
The Company's Shareholders' Agreement became effective as a result of the completion of the first capital reduction of Suzano Holding S.A. and the consequent receipt by the Fanny Group of shares issued by the Company, in accordance with the condition set forth therein.
A copy of the aforementioned agreement is available for consultation on the Company’s investor relations website (https://ri.suzano.com.br), as well as on the websites of the Brazilian Securities and Exchange Commission (Comissão de Valores Mobiliários – CVM) (http://www.cvm.gov.br) and B3 S.A. – Brasil, Bolsa, Balcão (http://www.b3.com.br), pursuant to applicable legislation.
Marcos Moreno Chagas Assumpção
Executive Vice President, Finance, Investor Relations and DigitalTech