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BCS

Changes in Beneficial Ownership · 4

Gerdau S.A.

GGBNYSEEQUITYCurrent

Changes in Beneficial Ownership

Filed Aug 10, 2026Accepted Aug 10, 2026, 4:16 PM EDTFiling CIK 1073404Accession 0002120466-26-000002
Share

Structured filing — 4

primary_doc.xml

Open full document ↗

Filing details

Report period
2026-08-06
Issuer
GERDAU S.A.
Issuer CIK
0001073404
Trading symbol
GGB
Foreign trading symbol
GGBR

Reporting owner 1

Name
Japur Rafael Dorneles
Reporting owner CIK
0002120466
Relationship
Other
Other relationship
VP, CFO and IR Officer
Address
AVENUE DOUTORA RUTH DE CARDOSO, 8501, 8TH FLOOR, PINHEIROS, SAO PAULO, SAO PAULO, D5, 05425-070

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Preferred shares2026-08-06S · Form 410,000D5.1[F1]86,967D
Table key
S · Form 4
Sale on the market or privately
D
Direct

Derivative holdings

Derivative holdings · 6 reported rows
SecurityConversion / exercise price (USD)ExercisableExpiresUnderlying securityUnderlying sharesAmount ownedOwnership
Restricted Stock Units3.89[F2]2027-02-122027-02-12Preferred shares8,9238,923D
Restricted Stock Units3.89[F2]2027-02-222027-02-22Preferred shares46,63446,634D
Restricted Stock Units3.8[F2]2027-08-012027-08-01Preferred shares38,04738,047D
Restricted Stock Units3.65[F2]2028-02-122028-02-12Preferred shares15,83015,830D
Restricted Stock Units4.15[F2]2029-02-122029-02-12Preferred shares29,93329,933D
Restricted Stock Units4.15[F2]2029-02-252029-02-25Preferred shares81,10881,108D
Table key
D
Direct

Footnotes

F1
The price is denominated in Brazilian reais and has been translated into U.S. dollars at the August 6, 2026 selling rate of R$5.1017 per US$1.00, as reported by the Central Bank of Brazil.↩ 1
F2
The price is denominated in Brazilian reais and has been translated into U.S. dollars at the May 22 2026 selling rate of R$5.0140per US$1.00, as reported by the Central Bank of Brazil.↩ 1↩ 2↩ 3↩ 4↩ 5↩ 6

Signature 1

Signed
/s/ Rafael Dorneles Japur
Date
2026-08-10

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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