InsiderTrades

Form 4 for GGB GERDAU S.A.

Accepted 2026-08-12 16:46:46 ET · period of report 2026-08-10 · accession 0002121122-26-000001 · 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
2026-08-12 16:46 2026-08-10 GGB Johannpeter Andre Bier Gerdau COB of Board of Directors S - Sale $4.94 -99.2K 247.4K -29% -$490.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Preferred shares 2026-08-10 S D 99,200 $4.94 247,380 D — — (F1) The price is denominated in Brazilian reais and has been translated into U.S. dollars at the August 10, 2026 selling rate of R$5.0963 per US$1.00, as reported by the Central Bank of Brazil.