Gerdau S.A. (GGB)
NYSE: GGB · Steel Works, Blast Furnaces & Rolling & Finishing Mills · filing with the SEC since 2000
Who runs Gerdau S.A.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Da Cunha Gustavo Werneck
CEO and Board Member. First filing Mar 2026, latest Jun 15, 2026, 4 filings in all.
Officers reporting now
5
of 5 people with a filing in the last fifteen months
Directors reporting now
0
5 people on the record since 2026
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| De Franca Gustavo Silva | Officer | May 2026 | Aug 27, 2026 | none |
| Da Cunha Gustavo Werneck | CEO and Board Member | Mar 2026 | Jun 15, 2026 | 4 · $2.9M |
| Peres Cesar Obino Da Rosa | Officer | Mar 2026 | May 22, 2026 | 1 · $0.00 |
| De Souza Flavia Dias Da Silva | Officer | Mar 2026 | Mar 20, 2026 | none |
| Silva Wendel Gomes Da | Officer | Mar 2026 | Mar 18, 2026 | none |
Owners of more than 10% of a classsales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Johannpeter Claudio | other | Mar 2026 | Sep 25, 2026 | 1 · $400,000 |
| Lopes Rafael Gamboa | other | Mar 2026 | Sep 21, 2026 | 1 · $300,000 |
| Wahrhaftig Marcos Eduardo Faraco | other | Mar 2026 | Aug 27, 2026 | 1 · $100,000 |
| Mattiello Marcos Zilles | other | Mar 2026 | Aug 14, 2026 | 1 · $100,000 |
| Johannpeter Andre Bier Gerdau | other | Mar 2026 | Aug 12, 2026 | 1 · $500,000 |
| Japur Rafael Dorneles | other | Mar 2026 | Aug 10, 2026 | 2 · $100,000 |
| Metz Mauricio | other | Mar 2026 | Jun 3, 2026 | 6 · $100,000 |
| Wang Chia Yuan | other | Mar 2026 | Jun 3, 2026 | 6 · $1.0M |
| Uhlein Clemir | other | Mar 2026 | Apr 30, 2026 | 1 · $200,000 |
| Johannpeter Guilherme Chagas Gerdau | other | Mar 2026 | Mar 25, 2026 | 2 · $600,000 |
| Soares Rodrigo Belloc | other | Mar 2026 | Mar 19, 2026 | none |
| Fernandes Alberto | other | Mar 2026 | Mar 18, 2026 | none |
| Ramirez Claudia Sender | other | Mar 2026 | Mar 18, 2026 | none |
| Telles Leandro Miana | other | Mar 2026 | Mar 18, 2026 | none |
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.