Guilherme Chagas Gerdau Johannpeter - 17 Mar 2026 Form 3 Insider Report for GERDAU S.A. (GGB)

Role
Vice-Chairman of Board
Signature
Guilherme Chagas Gerdau Johannpeter
Issuer symbol
GGB
Transactions as of
17 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 21:59:34 UTC
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Johannpeter Guilherme Chagas Gerdau Vice-Chairman of Board AVENUE DOUTORA RUTH DE CARDOSO, 8501, 8TH FLOOR, PINHEIROS, SAO PAULO, BRAZIL Guilherme Chagas Gerdau Johannpeter 17 Mar 2026 0002121459

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding GGB Preferred shares 85,607 17 Mar 2026 Direct
holding GGB Common shares 702,952,615 17 Mar 2026 Remarks F4

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 106,519 $19.50 Direct F1
holding GGB Restricted Stock Units 17 Mar 2026 Preferred shares 116,745 $18.32 Direct F2
holding GGB Restricted Stock Units 17 Mar 2026 Preferred shares 105,670 $20.83 Direct F3
* 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 February 12, 2027. Exercise price denominated in Brazilian reais (R$).
F2 Restricted stock units vest on February 12, 2028. Exercise price denominated in Brazilian reais (R$).
F3 Restricted stock units vest on February 12, 2029. Exercise price denominated in Brazilian reais (R$).
F4 See remarks below

Remarks:

The Reporting Person has a 25% interest in Frepar Participacoes S.A.. Frepar Participacoes S.A. holds a 25% equity interest in INDAC - Investimentos e Participacoes S.A. INDAC owns 57% of Grupo Gerdau Empreendimentos Ltda. INDAC holds 100% of Acoter Participacoes Ltda. Acoter Participacoes Ltda. owns the remaining 43% of Grupo Gerdau Empreendimentos Ltda. Grupo Gerdau Empreendimentos Ltda., together with INDAC, jointly controls Gerdau Metalurgica S.A. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of their pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.