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BCS

Changes in Beneficial Ownership · 4

Gerdau S.A.

GGBNYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed Aug 27, 2026Accepted Aug 27, 2026, 5:00 PM EDTFiling CIK 1073404Accession 0002120458-26-000002
Share

Structured filing — 4

primary_doc.xml

Open full document ↗

Filing details

Report period
2026-07-15
Issuer
GERDAU S.A.
Issuer CIK
0001073404
Trading symbol
GGB
Foreign trading symbol
GGBR

Reporting owner 1

Name
Wahrhaftig Marcos Eduardo Faraco
Reporting owner CIK
0002120458
Relationship
Other
Other relationship
Executive Vice President
Address
AVENUE DOUTORA RUTH DE CARDOSO, 8501, 8TH FLOOR, PINHEIROS, SAO PAULO, SAO PAULO, D5, 05425-070

Non-derivative holdings

Non-derivative holdings · 1 reported row
SecurityAmount ownedOwnership
Preferred shares0D
Table key
D
Direct

Derivative transactions

Derivative transactions · 1 reported row
SecurityConversion / exercise price (USD)Transaction dateCodeAmountA / DPrice (USD)ExercisableExpiresUnderlying securityUnderlying sharesOwned afterOwnership
Restricted Stock Units3.75[F1]2026-07-15[F2]A · Form 4107,749A3.752027-08-012027-08-01Preferred shares107,749107,749D
Table key
A · Form 4
Acquisition by grant, award or otherwise under Rule 16b-3(d)
A
Acquired
D
Direct

Derivative holdings

Derivative holdings · 5 reported rows
SecurityConversion / exercise price (USD)ExercisableExpiresUnderlying securityUnderlying sharesAmount ownedOwnership
Restricted Stock Units3.84[F1]2027-02-122027-02-12Preferred shares6,3956,395D
Restricted Stock Units3.75[F1]2027-08-012027-08-01Preferred shares71,83271,832D
Restricted Stock Units3.73[F1]2027-09-012027-09-01Preferred shares229,331229,331D
Restricted Stock Units3.6[F1]2028-02-122028-02-12Preferred shares7,7897,789D
Restricted Stock Units4.1[F1]2029-02-122029-02-12Preferred shares6,8506,850D
Table key
D
Direct

Footnotes

F1
The price is denominated in Brazilian reais and has been translated into U.S. dollars at the April 9, 2026 selling rate of R$5.0821 per US$1.00, as reported by the Central Bank of Brazil.↩ 1↩ 2↩ 3↩ 4↩ 5↩ 6
F2
Reflects 107,749 additional restricted stock units granted pursuant to an amendment to the reporting person long term incentive plan agreement executed on July 15, 2026, representing the difference between the 179,581 shares attributable to the plan following the amendment and the 71,832 shares previously reported.↩ 1

Signature 1

Signed
/s/ Marcos Eduardo Faraco Wahrhaftig
Date
2026-08-27

Company context

Current securities

Recent company filings

  1. 6-K filingOct 27, 2026
  2. 6-K filingOct 26, 2026
  3. 6-K filingOct 26, 2026
  4. 6-K filingOct 26, 2026
  5. 6-K filingOct 26, 2026

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