MetaCap

Gerdau S.A. Insider Trades

NYSE: GGBIndustrialsSteel/Iron OreUSD

5.12+0.20 (+4.07%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
1 · $781.51K
Sales
27 · $6.15M
Shares bought / sold
165.22K / 1.36M
Net activity
Net selling $5.4 million

Gerdau S.A. insider activity

Over the last 12 months, Gerdau S.A. insiders reported 29 transactions on SEC Form 4: 1 open-market purchase and 27 sales. Insiders bought $781,510 and sold $6.1 million worth of stock, for net insider selling of $5.4 million. The largest seller was Da Cunha Gustavo Werneck, with $2.9 million in reported sales.

The most recent filing shows Johannpeter Claudio (Vice-Chairman of Board) selling 85,607 shares at $4.94 on Sep 23, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put GGB's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

GGB insider transactions

Gerdau S.A. insider transactions
DateInsiderTypeSharesValueFiling
Sep 23, 2026Johannpeter ClaudioVice-Chairman of BoardSale85,607$422.90KForm 4
Sep 17, 2026Lopes Rafael GamboaExecutive Vice PresidentSale51,800$263.66KForm 4
Aug 10, 2026Johannpeter Andre Bier GerdauChairman of Board of DirectorsSale99,200$490.05KForm 4
Aug 6, 2026Japur Rafael DornelesVP, CFO and IR OfficerSale10,000$51.00KForm 4
Jun 12, 2026Da Cunha Gustavo WerneckCEO and Board MemberBuy165,224$781.51KForm 4
Jun 8, 2026Mattiello Marcos ZillesSenior ManagementSale10,387$53.08KForm 4
Jun 2, 2026Metz MauricioExecutive Vice PresidentSale7,000$33.95KForm 4
Jun 2, 2026Wang Chia YuanSenior ManagementSale30,935$138.90KForm 4
May 26, 2026Metz MauricioExecutive Vice PresidentSale5,000$23.50KForm 4
May 22, 2026Japur Rafael DornelesVP, CFO and IR OfficerSale5,000$23.75KForm 4
May 19, 2026Peres Cesar Obino da RosaOfficerSale8,000$36.80KForm 4
May 13, 2026Metz MauricioExecutive Vice PresidentSale5,000$24.25KForm 4
May 8, 2026Da Cunha Gustavo WerneckCEO and Board MemberSale432,854$2.11MForm 4
May 8, 2026Da Cunha Gustavo WerneckCEO and Board MemberAward432,774—Form 4
May 5, 2026Wang Chia YuanSenior managementSale40,000$190.00KForm 4
May 5, 2026Metz MauricioExecutive Vice PresidentSale2,000$9.38KForm 4
Apr 30, 2026Wang Chia YuanSenior managementSale20,000$90.80KForm 4
Apr 28, 2026Metz MauricioExecutive Vice PresidentSale1,000$4.53KForm 4
Apr 28, 2026Uhlein ClemirSenior ManagementSale38,276$172.62KForm 4
Apr 28, 2026Wang Chia YuanSenior ManagementSale76,700$344.38KForm 4
Apr 28, 2026Da Cunha Gustavo WerneckCEO and Board MemberSale88,000$396.00KForm 4
Apr 10, 2026Wang Chia YuanSenior ManagementSale25,000$105.25KForm 4
Apr 10, 2026Metz MauricioExecutive Vice PresidentSale1,000$4.24KForm 4
Apr 9, 2026Da Cunha Gustavo WerneckCEO and Board MemberSale50,000$208.00KForm 4
Apr 9, 2026Wahrhaftig Marcos Eduardo FaracoExecutive Vice PresidentSale12,419$50.42KForm 4
Apr 8, 2026Wang Chia YuanSenior managementSale34,000$136.00KForm 4
Apr 8, 2026Da Cunha Gustavo WerneckCEO and Board MemberSale50,000$200.50KForm 4
Mar 20, 2026Johannpeter Guilherme Chagas GerdauVice-Chairman of BoardSale85,607$281.65KForm 4
Mar 20, 2026Johannpeter Guilherme Chagas GerdauVice-Chairman of BoardSale85,607$281.65KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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