# EDGAR Filing Document

**Accession Number:** 0000909327
**File Stem:** 0001628280-26-015696
**Filing Date:** 2026-3
**Character Count:** 5056
**Document Hash:** a2c9204f9a209c499607396c96656d00
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001628280-26-015696.hdr.sgml**: 20260306

**ACCESSION NUMBER**: 0001628280-26-015696

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 5

**CONFORMED PERIOD OF REPORT**: 20080429

**FILED AS OF DATE**: 20260306

**DATE AS OF CHANGE**: 20260306

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Secches Nildemar
- **CENTRAL INDEX KEY:** 0002116449

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38755
- **FILM NUMBER:** 26732207

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** AV. BRIGADEIRO FARIA LIMA, 1355
- **CITY:** SAO PAULO
- **PROVINCE COUNTRY:** D5
- **ZIP:** 00000
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Suzano S.A.
- **CENTRAL INDEX KEY:** 0000909327
- **STANDARD INDUSTRIAL CLASSIFICATION:** PAPER MILLS [2621]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000

**BUSINESS ADDRESS:**
- **STREET 1:** AV. PROFESSOR MAGALHAES NETO, 1,752
- **STREET 2:** 10TH FLOOR, ROOMS 1010 AND 1011
- **CITY:** SALVADOR - BA
- **STATE:** D5
- **ZIP:** 41 810-012
- **BUSINESS PHONE:** 551121384588

**MAIL ADDRESS:**
- **STREET 1:** AV. BRIGADEIRO FARIA LIMA, 1,355
- **STREET 2:** 7TH FLOOR
- **CITY:** PINHEIROS, SAO PAULO - SP
- **STATE:** D5
- **ZIP:** 01 452-919

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Suzano Papel e Celulose S.A.
- **DATE OF NAME CHANGE:** 20180322

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** COMPANHIA SUZANO DE PAPEL E CELULOSE                    /FI
- **DATE OF NAME CHANGE:** 19930719

## Ex-24.Poa

![](nildemarpoageneral001.jpg)

------

![](nildemarpoageneral002.jpg)

Translation: I acknowledge by similarity one signature without economic value from NILDEMAR SECCHES and attest to it. Seal(s): S11077AB513046 SÃO PAULO, February 23, 2026. 09:52 Code 23022026-9 In Witness ANA MARIA APARECIDA DE SOUZA – CLERK This document, in order to produce effect in Brazil and be valid against third parties, must be rendered into Portuguese and the translation must be registered with the Registry of Titles and Documents. 20th NOTARY

------

![](nildemarpoageneral003.jpg)

------

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Secches Nildemar<br><sub>(Last) (First) (Middle)</sub><br>AV BRIG FARIA LIMA, 1355<br><sub>(Street)</sub><br>SAO PAULO, D5 01452-002<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Suzano S.A. [ SUZ ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2008-04-29 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [X] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Victor Conde Valladares Camina as attorney-in-fact for Nildemar Secches  
**Date:** 2026-03-06

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**