Form4insider filings, from the source

Insider · CIK 0002120298

Marcos Zilles Mattiello

Files at: GGB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $53k · 1net −$53k
$10k$10k$100k$100k$1M$1MbuyssalesJun 7Jun 7Jun 7Jun 8Jun 8Jun 8Jun 9

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 8, 2026 SForm 4 →Aug 14, 8:55 am EDTGERDAU S.A.GGB10,387$5.11$53,0780−100% late

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.