Suzano S.A. Files September 2025 6-K Report

TL;DR

Suzano S.A. (SUZ) filed its September 6-K, confirming its Brazil HQ and past name changes.

AI Summary

Suzano S.A. filed a Form 6-K on September 11, 2025, reporting for the month of September 2025. The filing indicates the company's principal executive office is located in Salvador, Brazil. Suzano S.A. was formerly known as Suzano Papel e Celulose S.A. and Companhia Suzano de Papel e Celulose /FI.

Why It Matters

This filing provides updated information for investors and regulatory bodies regarding Suzano S.A.'s ongoing operations and corporate structure.

Risk Assessment

Risk Level: low — This is a routine reporting form (6-K) that does not contain new material financial or operational information.

Key Players & Entities

• Suzano S.A. (company) — Registrant
• Suzano Papel e Celulose S.A. (company) — Former company name
• Companhia Suzano de Papel e Celulose /FI (company) — Former company name

FAQ

Filing Documents

• tm2524938d10_6k.htm (6-K) — 13KB
• tm2524938d10_ex4-1.htm (EX-4.1) — 704KB
• tm2524938d10_ex4-2.htm (EX-4.2) — 113KB
• tm2524938d10_ex5-1.htm (EX-5.1) — 22KB
• tm2524938d10_ex5-2.htm (EX-5.2) — 86KB
• tm2524938d10_ex5-3.htm (EX-5.3) — 15KB
• tm2524938d10_ex5-1img01.jpg (GRAPHIC) — 35KB
• tm2524938d10_ex5-1img02.jpg (GRAPHIC) — 3KB
• tm2524938d10_ex5-2img01.jpg (GRAPHIC) — 16KB
• 0001104659-25-089141.txt ( ) — 1029KB

From the Filing

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 September 2025. 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): This report and exhibits are incorporated by reference into the Registration Statement on Form F-3 of Suzano S.A. (No. 333- 286881) and Suzano Netherlands B.V. (No. 333- 286881-02), and shall be deemed to be a part thereof from the date on which this report is furnished to the SEC, to the extent not superseded by documents or reports subsequently filed or furnished. Exhibit 4.1 — Base Indenture, dated September 10, 2025 Exhibit 4.2 — First Supplemental Indenture, dated September 10, 2025 Exhibit 4.3 — Form of Global Notes (included in Exhibit 4.2) Exhibit 5.1 — Opinion of Machado, Meyer, Sendacz e Opice Advogados, dated September 10, 2025 Exhibit 5.2 — Opinion of Norton Rose Fulbright LLP, dated September 10, 2025 Exhibit 5.3 — Opinion of Cleary Gottlieb Steen & Hamilton LLP, dated September 10, 2025 2 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: September 10, 2025 SUZANO S.A. By: /s/ Marcos Moreno Chagas Assumpção Name: Marcos Moreno Chagas Assumpção Title: Executive Vice-President of Finance and Investor Relations 3

View Full Filing

View this 6-K filing on SEC EDGAR