MZ
Insider selling
Marcos Zilles Mattiello sold $53K of Gerdau S.a. (GGB) stock
Marcos Zilles Mattiello, Other of Gerdau S.a. (GGB), sold 10,387 shares of GGB stock worth $53K, per an SEC Form 4 filed Aug 14, 2026.
It was an open-market sale.
The trade happened on Jun 8, 2026, 67 days before it was made public.
GGB has moved +12.5% since the trade date, from $4.57 to $5.14 (Oct 12, 2026 close).
- Traded
- Jun 8, 2026
- Disclosed
- Aug 14, 2026
- Filing delay
- 67 days
- Price since
- +12.5%
- Role
- Other
- Source
- SEC Form 4
More GGB insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.