Insider Transaction Report for GERDAU S.A.

Chia Yuan Wang, a member of Senior Management at GERDAU S.A. (GGB), reported a disposition of 25,000 preferred shares on April 10, 2026. The shares were sold at a weighted average price of $4.21, with transactions ranging from $4.21 to $4.22. Following this transaction, Wang Chia Yuan holds 168,895 preferred shares. Additionally, the filing details various restricted stock units (RSUs) held by Wang Chia Yuan, which are set to vest on different dates between March 1, 2027, and March 1, 2029. These RSUs are linked to preferred shares, with specific vesting dates and underlying share amounts detailed in the filing, including exercise prices ranging from $2.83 to $4.04.