5 transactions on file, per SEC Form 4 filings.
See GGB superinvestor activity →Johannpeter Andre Bier Gerdau
director · 2026-08-10
Sold
$490K
Japur Rafael Dorneles
10% owner · 2026-08-06
Sold
$51K
Wahrhaftig Marcos Eduardo Faraco
10% owner · 2026-07-15
Award
$404K
Da Cunha Gustavo Werneck
CEO and Board Member · 2026-06-12
Bought
$782K
Mattiello Marcos Zilles
10% owner · 2026-06-08
Sold
$53K
Each row links to the underlying SEC filing. Sells are shown for transparency, not as a signal — see the insider trading article for why.
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