Disclosure profile
Who’s trading GGB?
Open GGB on RobinhoodGERDAU S.A.
Every disclosed Congress and corporate-insider transaction in GGB (GERDAU S.A.) — 11 trades from 6 politicians and executives, each AI-scored. Updated as new filings land.
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Da Cunha Gustavo WerneckSEC Form 4Buy—2026-06-157
Wang Chia YuanSEC Form 3——2026-06-032
Wang Chia YuanSEC Form 4Sell—2026-06-034
Metz MauricioSEC Form 4Sell—2026-06-033
Japur Rafael DornelesSEC Form 4Sell—2026-05-263
Peres Cesar Obino da RosaSEC Form 4Sell—2026-05-224
Metz MauricioSEC Form 4Sell—2026-05-084
Wang Chia YuanSEC Form 4Sell—2026-05-043
Wang Chia YuanSEC Form 4Sell—2026-04-304
Uhlein ClemirSEC Form 4Sell—2026-04-305
Metz MauricioSEC Form 4Sell—2026-04-303
Public-record disclosures (SEC Form 4 & Congressional PTRs). Research tool — not investment advice.