4processed

Form 4 — Insider Transaction

GERDAU S.A.(GGB)

Filing Date

June 12, 2026

Accepted

June 12, 2026

Accession No.

0002120774-26-000004

CIK

0001073404

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
Da Cunha Gustavo WerneckCEO and Board MemberOther165.2K$4.73165.2KPreferred sharesJun 12, 2026