GGB Insider Transactions
26 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–26; provenance stays internal.
GGB insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Johannpeter Andre Bier Gerdau | Chairman of Board of Directors | 2026-08-10 | Sale | 99,200 | $4.94 |
| Japur Rafael Dorneles | VP, CFO and IR Officer | 2026-08-06 | Sale | 10,000 | $5.1 |
| Da Cunha Gustavo Werneck | CEO and Board Member | 2026-06-12 | Purchase | 165,224.0 | $4.73 |
| Mattiello Marcos Zilles | Senior Management | 2026-06-08 | Sale | 10,387.111 | $5.11 |
| Metz Mauricio | Other | 2026-06-02 | Sale | 7,000.0 | $4.85 |
| Wang Chia Yuan | Other | 2026-06-02 | Sale | 30,935.0 | $4.49 |
| Metz Mauricio | Other | 2026-05-26 | Sale | 5,000.0 | $4.7 |
| Japur Rafael Dorneles | Other | 2026-05-22 | Sale | 5,000.0 | $4.75 |
| Peres Cesar Obino da Rosa | Officer | 2026-05-19 | Sale | 8,000.0 | $4.6 |
| Metz Mauricio | Other | 2026-05-13 | Sale | 5,000.0 | $4.85 |
| Da Cunha Gustavo Werneck | CEO and Board Member | 2026-05-08 | Sale | 432,854.0 | $4.87 |
| Metz Mauricio | Other | 2026-05-05 | Sale | 2,000.0 | $4.69 |
| Wang Chia Yuan | Other | 2026-05-05 | Sale | 40,000.0 | $4.75 |
| Wang Chia Yuan | Other | 2026-04-30 | Sale | 20,000.0 | $4.54 |
| Da Cunha Gustavo Werneck | CEO and Board Member | 2026-04-28 | Sale | 88,000.0 | $4.5 |
| Metz Mauricio | Other | 2026-04-28 | Sale | 1,000.0 | $4.53 |
| Wang Chia Yuan | Other | 2026-04-28 | Sale | 76,700.0 | $4.49 |
| Uhlein Clemir | Other | 2026-04-28 | Sale | 38,276.0 | $4.51 |
| Metz Mauricio | Other | 2026-04-10 | Sale | 1,000.0 | $4.24 |
| Wang Chia Yuan | Other | 2026-04-10 | Sale | 25,000.0 | $4.21 |
| Wahrhaftig Marcos Eduardo Faraco | Other | 2026-04-09 | Sale | 12,419.0 | $4.06 |
| Da Cunha Gustavo Werneck | CEO and Board Member | 2026-04-09 | Sale | 50,000.0 | $4.16 |
| Da Cunha Gustavo Werneck | CEO and Board Member | 2026-04-08 | Sale | 50,000.0 | $4.01 |
| Wang Chia Yuan | Other | 2026-04-08 | Sale | 34,000.0 | $4.0 |
| Johannpeter Guilherme Chagas Gerdau | Other | 2026-03-20 | Sale | 85,607.0 | $3.29 |
| Johannpeter Guilherme Chagas Gerdau | Other | 2026-03-20 | Sale | 85,607.0 | $3.29 |