LYTIR

Company · GGB

Gerdau S.A.

Name as listed on its exchange; filed with the SEC as GERDAU S.A.

Nasdaq's symbol directory lists GGB on the New York Stock Exchange as “Gerdau S.A. Common Stock”.

In the 12 months to Nov 8, 2026: insiders bought on 1 occasion ($782K); insiders sold on 5 occasions ($1.3M).

All insider filings at the SEC

Insider purchases and sales, by month (last 12 months)Insider purchases: $782K in total; Insider sales: $1.3M in total.Jun: Insider purchases $782KJun: Insider sales $53KAug: Insider sales $541KSep: Insider sales $687KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $782KInsider sales below: $1.3M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. Gustavo Werneck Da Cunha, CEO and Board Member bought on 1 day latest Jun 12, 2026 bought $782K
  2. Johannpeter Andre Bier Gerdau sold on 1 day latest Aug 10, 2026 sold $490K
  3. Johannpeter Claudio sold on 1 day latest Sep 23, 2026 sold $423K
  4. Lopes Rafael Gamboa sold on 1 day latest Sep 17, 2026 sold $264K
  5. Mattiello Marcos Zilles sold on 1 day latest Jun 8, 2026 sold $53K
  6. Japur Rafael Dorneles sold on 1 day latest Aug 6, 2026 sold $51K
Every trade (6)
  1. SELLJohannpeter Claudio sold Sep 23, 2026 85,607 shares filing $423K
  2. SELLLopes Rafael Gamboa sold Sep 17, 2026 51,800 shares filing $264K
  3. SELLJohannpeter Andre Bier Gerdau sold Aug 10, 2026 99,200 shares filing $490K
  4. SELLJapur Rafael Dorneles sold Aug 6, 2026 10,000 shares filing $51K
  5. BUYGustavo Werneck Da Cunha, CEO and Board Member bought Jun 12, 2026 165,224 shares filing $782K
  6. SELLMattiello Marcos Zilles sold Jun 8, 2026 10,387 shares filing $53K

Sources: SEC EDGAR (Forms 4 and 144) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.