Cesar Obino da Rosa Peres - 19 May 2026 Form 4 Insider Report for GERDAU S.A. (GGB)

Reporting relationship: Officer
Issuer ticker: GGB
Reported as of: 19 May 2026
Net transaction value: -$36,800
SEC form: 4
Accepted by SEC: 22 May 2026, 08:47:32 UTC
Prior SEC filing: 18 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Cesar Obino da Rosa Peres

Key filing fact

Cesar Obino da Rosa Peres filed Form 4 for GERDAU S.A. (GGB) on 22 May 2026.

Key facts

This page summarizes Cesar Obino da Rosa Peres's Form 4 filing for GERDAU S.A. (GGB).
1 reported transaction and 3 derivative rows are listed below.
Accepted by SEC: 22 May 2026, 08:47.

Change

Previous filing in this sequence was filed on 18 Mar 2026.
Current net transaction value: -$36,800.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002120380 Primary reporting owner

Peres Cesar Obino da Rosa

Relationship: Officer
Address: AVENUE DOUTORA RUTH DE CARDOSO, 8501, 8TH FLOOR, PINHEIROS, SAO PAULO
Signature: /s/ Cesar Obino da Rosa Peres
Signature date: 22 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GGB transaction

Preferred shares

Sale

Transaction value: $36,800
Shares: -8,000
Change %: -100%
Price: $4.60
Shares after: 8
Date: 19 May 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GGB holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,060
Date: 19 May 2026
Ownership: Direct
Underlying class: Preferred shares
Underlying amount: 4,060
Exercise price: $3.87
Footnotes: F1

GGB holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,987
Date: 19 May 2026
Ownership: Direct
Underlying class: Preferred shares
Underlying amount: 4,987
Exercise price: $3.64
Footnotes: F1

GGB holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,263
Date: 19 May 2026
Ownership: Direct
Underlying class: Preferred shares
Underlying amount: 5,263
Exercise price: $4.13
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price is denominated in Brazilian reais and has been translated into U.S. dollars at the May 19, 2026 selling rate of R$5.0378per US$1.00, as reported by the Central Bank of Brazil.