InsiderTrades

Form 4 for GGB GERDAU S.A.

Accepted 2026-09-21 16:30:47 ET · period of report 2026-09-17 · accession 0002120169-26-000001 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

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

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Preferred shares 2026-09-17 S D 51,800 $5.09 83,399 D — — (F1) The price is denominated in Brazilian reais and has been translated into U.S. dollars at the September 17, 2026 selling rate of R$5.1521 per US$1.00, as reported by the Central Bank of Brazil.