GERDAU S.A.

FY: Dec 31 2025

FY: Dec 31 2024

FY: Dec 31 2023

FY: Dec 31 2022

FY: Dec 31 2021

FY: Dec 31 2020

FY: Dec 31 2019

FY: Dec 31 2018

FY: Dec 31 2017

FY: Dec 31 2016

FY: Dec 31 2015

FY: Dec 31 2014

FY: Dec 31 2013

FY: Dec 31 2012

FY: Dec 31 2011

FY: Dec 31 2010

FY: Dec 31 2009

FY: Dec 31 2009

FY: Dec 31 2008

FY: Dec 31 2008

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Certification of approval for listing and registration on a national securities exchange

Registration of Securities on Exchange

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Delayed or Continuous Offering

Registration statement for American depositary receipts, effective on filing

Registration statement for American depositary receipts, effective on filing

Registration statement for American depositary receipts, effective on filing

Post Effective Amendment to S-8

Post Effective Amendment to S-8

Registration statement for American depositary receipts, effective on filing

Notice of Effectiveness

Registration statement under the Securities Act of 1933 for depositary shares evidenced by American depositary receipts

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Registration statement for American depositary receipts, effective on filing

Prospectus Supplement for Delayed or Continuous Offering

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post-effective amendment to an American depositary receipts registration statement

Johannpeter Claudio

Lopes Rafael Gamboa

de Franca Gustavo Silva

Wahrhaftig Marcos Eduardo Faraco

Mattiello Marcos Zilles

Mattiello Marcos Zilles

Johannpeter Andre Bier Gerdau

Japur Rafael Dorneles

Da Cunha Gustavo Werneck

Wang Chia Yuan

Metz Mauricio

Wang Chia Yuan

Metz Mauricio

Japur Rafael Dorneles

Peres Cesar Obino da Rosa

Metz Mauricio

Da Cunha Gustavo Werneck

Metz Mauricio

de Franca Gustavo Silva

Wang Chia Yuan

Specialized Disclosure Report

No description available

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC