GERDAU S.A. (GGB) · INSIDERData sourcesSEC Form 46h ago
House PTR6h ago
SEC 13F6h ago
Robinhood Chain6h ago
Public companyGERDAU S.A.
GGBCIK 0001073404
Price$4.38
1 year+21.7%
Disclosed transactions28
Buys / sells1 / 25
Max Insider Score61
Connections with evidence11
GGB · disclosed activity on price
| Score | Actor | Security | Side | Value | Executed | Disclosed | Lag | Source | Evidence |
|---|
| 44 | JCJohannpeter ClaudioVice-Chairman of Board | GGBGERDAU S.A. Open-market sale | SELL | $423K 85.6K sh | Sep 23, 2026 | Sep 25, 2026 |
| 40 | LGLopes Rafael GamboaExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $264K 51.8K sh | Sep 17, 2026 | Sep 21, 2026 traded Sep 17, 2026 | +4d | SEC Form 4 | |
| 26 | WFWahrhaftig Marcos Eduardo FaracoExecutive Vice President | GGBGERDAU S.A. Grant or award | A | $404K 107.7K sh | Jul 15, 2026 | Aug 27, 2026 traded Jul 15, 2026 | +43d | SEC Form 4 | |
| 61 | MZMattiello Marcos ZillesSenior Management | GGBGERDAU S.A. Open-market sale | SELL | $53K 10.4K sh | Jun 8, 2026 | Aug 14, 2026 traded Jun 8, 2026 | +67d | SEC Form 4 | |
| 40 | JGJohannpeter Andre Bier GerdauChairman of Board of Directors | GGBGERDAU S.A. Open-market sale | SELL | $490K 99.2K sh | Aug 10, 2026 | Aug 12, 2026 traded Aug 10, 2026 | +2d | SEC Form 4 | |
| 29 | JDJapur Rafael DornelesVP, CFO and IR Officer | GGBGERDAU S.A. Open-market sale | SELL | $51K 10.0K sh | Aug 6, 2026 | Aug 10, 2026 traded Aug 6, 2026 | +4d | SEC Form 4 | |
| 54 | DWDa Cunha Gustavo WerneckCEO and Board Member | GGBGERDAU S.A. Open-market purchase | BUY | $782K 165.2K sh | Jun 12, 2026 | Jun 15, 2026 traded Jun 12, 2026 | +3d | SEC Form 4 | |
| 40 | MMMetz MauricioExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $34K 7,000 sh | Jun 2, 2026 | Jun 3, 2026 traded Jun 2, 2026 | +1d | SEC Form 4 | |
| 47 | WYWang Chia YuanSenior Management | GGBGERDAU S.A. Open-market sale | SELL | $139K 30.9K sh | Jun 2, 2026 | Jun 3, 2026 traded Jun 2, 2026 | +1d | SEC Form 4 | |
| 36 | MMMetz MauricioExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $24K 5,000 sh | May 26, 2026 | May 28, 2026 traded May 26, 2026 | +2d | SEC Form 4 | |
| 36 | JDJapur Rafael DornelesVP, CFO and IR Officer | GGBGERDAU S.A. Open-market sale | SELL | $24K 5,000 sh | May 22, 2026 | May 26, 2026 traded May 22, 2026 | +4d | SEC Form 4 | |
| 54 | PRPeres Cesar Obino da RosaOfficer | GGBGERDAU S.A. Open-market sale | SELL | $37K 8,000 sh | May 19, 2026 | May 22, 2026 traded May 19, 2026 | +3d | SEC Form 4 | |
| 36 | MMMetz MauricioExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $24K 5,000 sh | May 13, 2026 | May 15, 2026 traded May 13, 2026 | +2d | SEC Form 4 | |
| 53 | DWDa Cunha Gustavo WerneckCEO and Board Member | GGBGERDAU S.A. Open-market sale | SELL | $2.11M 432.9K sh | May 8, 2026 | May 12, 2026 traded May 8, 2026 | +4d | SEC Form 4 | |
| 17 | DWDa Cunha Gustavo WerneckCEO and Board Member | GGBGERDAU S.A. Grant or award | A | — 432.8K sh | May 8, 2026 | May 12, 2026 traded May 8, 2026 | +4d | SEC Form 4 | |
| 38 | MMMetz MauricioExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $9,380 2,000 sh | May 5, 2026 | May 8, 2026 traded May 5, 2026 | +3d | SEC Form 4 | |
| 47 | WYWang Chia YuanSenior management | GGBGERDAU S.A. Open-market sale | SELL | $190K 40.0K sh | May 5, 2026 | May 7, 2026 traded May 5, 2026 | +2d | SEC Form 4 | |
| 56 | DWDa Cunha Gustavo WerneckCEO and Board Member | GGBGERDAU S.A. Open-market sale | SELL | $396K 88.0K sh | Apr 28, 2026 | May 5, 2026 traded Apr 28, 2026 | +7d | SEC Form 4 | |
| 43 | WYWang Chia YuanSenior management | GGBGERDAU S.A. Open-market sale | SELL | $91K 20.0K sh | Apr 30, 2026 | May 4, 2026 traded Apr 30, 2026 | +4d | SEC Form 4 | |
| 46 | WYWang Chia YuanSenior Management | GGBGERDAU S.A. Open-market sale | SELL | $344K 76.7K sh | Apr 28, 2026 | Apr 30, 2026 traded Apr 28, 2026 | +2d | SEC Form 4 | |
| 51 | UCUhlein ClemirSenior Management | GGBGERDAU S.A. Open-market sale | SELL | $173K 38.3K sh | Apr 28, 2026 | Apr 30, 2026 traded Apr 28, 2026 | +2d | SEC Form 4 | |
| 32 | MMMetz MauricioExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $4,530 1,000 sh | Apr 28, 2026 | Apr 30, 2026 traded Apr 28, 2026 | +2d | SEC Form 4 | |
| 36 | MMMetz MauricioExecutive Vice President |  GGGERDAU S.A.Open-market sale | SELL | $4,240 1,000 sh | Apr 10, 2026 | Apr 14, 2026 traded Apr 10, 2026 | +4d | SEC Form 4 | |
| 39 | WYWang Chia YuanSenior Management | GGBGERDAU S.A. Open-market sale | SELL | $105K 25.0K sh | Apr 10, 2026 | Apr 14, 2026 traded Apr 10, 2026 | +4d | SEC Form 4 | |
| 51 | WFWahrhaftig Marcos Eduardo FaracoExecutive Vice President | GGBGERDAU S.A. Open-market sale | SELL | $50K 12.4K sh | Apr 9, 2026 | Apr 13, 2026 traded Apr 9, 2026 | +4d | SEC Form 4 | |
| 43 | DWDa Cunha Gustavo WerneckCEO and Board Member | GGBGERDAU S.A. Open-market sale | SELL | $208K 50.0K sh | Apr 9, 2026 | Apr 10, 2026 traded Apr 9, 2026 | +1d | SEC Form 4 | |
| 47 | DWDa Cunha Gustavo WerneckCEO and Board Member | GGBGERDAU S.A. Open-market sale | SELL | $201K 50.0K sh | Apr 8, 2026 | Apr 10, 2026 traded Apr 8, 2026 | +2d | SEC Form 4 | |
| 43 | WYWang Chia YuanSenior management | GGBGERDAU S.A. Open-market sale | SELL | $136K 34.0K sh | Apr 8, 2026 | Apr 10, 2026 traded Apr 8, 2026 | +2d | SEC Form 4 | |
VP, CFO and IR Officer · May 26, 2026