Mattiello Marcos Zilles (CIK 2120298) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-14). Recent activity: Sell GGB (10,387 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-14 | GERDAU S.A. (GGB) | Insider | Sell | 10,387 | $53,078 |
Source: SEC Form 4 filings · as of 2026-08-14