Gerdau (GGB) insider trading in the last 6 months

One insider bought $782K, 8 sold $1.5M.

Quality Score5Below Average

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Form 4 filings, newest first

SellClaudio Johannpeter$423KInsiderat $4.94 on Sep 23, filed Sep 25

SellClaudio JohannpeterInsider$423Kat $4.94 on Sep 23, filed Sep 25

SellRafael Gamboa Lopes$264KInsiderat $5.09 on Sep 17, filed Sep 21

SellRafael Gamboa LopesInsider$264Kat $5.09 on Sep 17, filed Sep 21

SellMarcos Zilles Mattiello$53KInsiderat $5.11 on Jun 8, filed Aug 14

SellMarcos Zilles MattielloInsider$53Kat $5.11 on Jun 8, filed Aug 14

From SEC Form 4s, the newest filed Sep 25, 2026 · Insiders have 2 business days to file a trade

8 more filings on GGB in the last 6 months, for Pro members. See them free →

Pro members see every filing on GGB with what each insider bought or sold and at what price, and can turn on an optional alert when an insider buys.

Who files at Gerdau

Cesar Obino da Rosa PeresOfficer · 1 sale
Gustavo Werneck Da CunhaCEO and Board Member · 1 buy

Insider trades by person

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Questions about GGB's insider trades

As of Nov 10, 2026: Gerdau (GGB) has 11 insider filings on record in the last 6 months, the newest filed Sep 25, 2026. Its Quality Score is 5 (Below Average). Scores as of 11:01 PM ET, 15 minutes behind.

Are GGB insiders buying or selling?

One insider bought $782K across 1 filing, and 8 insiders sold $1.5M across 10 filings, in the last 6 months. The newest filing: Claudio Johannpeter, Insider, sold $423K on Sep 23, 2026.

Who are GGB's biggest insider sellers?

By the dollars of their sales in the last 6 months: Andre Bier Gerdau Johannpeter (Insider), 1 sale; Claudio Johannpeter (Insider), 1 sale; Rafael Gamboa Lopes (Insider), 1 sale. 8 insiders sold in all.

When did a GGB insider last buy?

Gustavo Werneck Da Cunha, CEO and Board Member, bought GGB shares on Jun 12, 2026, filed Jun 15, 2026, the newest insider buy on record.

Gerdau's page has its Quality Score, its chart, and its earnings. More in Materials and Steel Products.

Gerdau (GGB) insider trading in the last 6 months

Form 4 filings, newest first

Who files at Gerdau

Questions about GGB's insider trades

Every insider trade, with its stock's score.