Marcos Zilles Mattiello - 17 Mar 2026 Form 3 Insider Report for GERDAU S.A. (GGB)

Role
Senior Management
Signature
Marcos Zilles Mattiello
Issuer symbol
GGB
Transactions as of
17 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 21:08:59 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mattiello Marcos Zilles Senior Management AVENUE DOUTORA RUTH DE CARDOSO, 8501, 8TH FLOOR, PINHEIROS, SAO PAULO, BRAZIL Marcos Zilles Mattiello 17 Mar 2026 0002120298

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GGB Preferred shares 8,997 17 Mar 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding GGB Restricted Stock Units 17 Mar 2026 Preferred shares 18,119 $4.04 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units vest on March, 1, 2029 (American Depositary Receipts).