The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Mattiello Marcos Zilles since 2026.
This trader's CIK number is 2120298.
At the time of last reporting, Mattiello Marcos Zilles was the Other of Gerdau S.a.. (stock ticker symbol GGB).
Also see all insider trading activities at Gerdau S.a..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2026 | GGB | 0 | $0 | 10,387 | $53,077 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-06-08 | GGB | Sale | 10,387 | 5.11 | 53,077 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Mattiello Marcos Zilles (Other of Gerdau S.a. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.