InsiderTrades

Lopes Rafael Gamboa

SEC CIK 2120169 · EDGAR

Buying vs selling by month open-market trades, last 24 months, GGB
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
GGBGERDAU S.A.EVP 83.4K — $263.7K 12026-09-172026-09-17

Most active insiders at GGB, 12 months

#InsiderTitleBoughtSold
1 Da Cunha Gustavo WerneckCEO, Board Member $781.5K$2.91M
2 Wang Chia YuanSenior management —$1.01M
3 Johannpeter Guilherme Chagas GerdauVice-COB of Board —$563.3K
4 Johannpeter Andre Bier GerdauCOB of Board of Directors —$490.0K
5 Lopes Rafael GamboaEVP —$263.7K
6 Uhlein ClemirSenior Management —$172.6K
7 Metz MauricioEVP —$99.8K
8 Japur Rafael DornelesVP, CFO, IR Off —$74.8K
9 Mattiello Marcos ZillesSenior Management —$53.1K
10 Wahrhaftig Marcos Eduardo FaracoEVP —$50.4K

Transactions 1

Type
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X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-21 16:30 2026-09-17 GGB GERDAU S.A. Lopes Rafael Gamboa EVP S - Sale $5.09 -51.8K 83.4K -38% -$263.7K

Purchase Sale Sale after option exercise All abbreviations