Gerdau Insider Files Form 4 on Ownership Change

TL;DR

**Gerdau insider filed a Form 4, check the full document for transaction details!**

AI Summary

Johannpeter Guilherme Chagas Gerdau, a reporting insider for Gerdau S.A., filed a Form 4 on March 24, 2026, indicating changes in beneficial ownership of securities. This filing, with an accession number of 0001292814-26-001726, covers transactions up to March 20, 2026. While the filing confirms a change, the specific details of the transaction (buy/sell, quantity, price) are not provided in this summary, making it difficult to assess the direct impact. Investors should investigate the full filing to understand the nature of the ownership change, as insider activity can signal confidence or concerns about the company's future performance.

Why It Matters

This filing signals a change in a key insider's stake, which can influence investor perception and potentially the stock price, depending on whether it was a buy or sell.

Risk Assessment

Risk Level: medium — The risk is medium because the filing indicates a change in insider ownership, but without transaction specifics, the implications for investors are unclear.

Analyst Insight

A smart investor would immediately access the full Form 4 document (ownership.html or ownership.xml) using the SEC Accession No. 0001292814-26-001726 to determine the specific nature of the transaction (e.g., purchase, sale, gift), the number of shares, and the price, as these details are crucial for interpreting the insider's sentiment.

Key Players & Entities

• Johannpeter Guilherme Chagas Gerdau (person) — Reporting insider for Gerdau S.A.
• Gerdau S.A. (company) — The issuer of the securities
• 0001292814-26-001726 (other) — SEC Accession Number
• 0002121459 (other) — CIK for Johannpeter Guilherme Chagas Gerdau
• 0001073404 (other) — CIK for Gerdau S.A.

FAQ

Key Financial Figures

• $5.2800 — at the March 20, 2026 selling rate of R$5.2800 per US$1.00, as reported by the Central
• $1 — 20, 2026 selling rate of R$5.2800 per US$1.00, as reported by the Central Bank of

Filing Documents

• ownership.html (4)
• ownership.xml (4) — 9KB
• 0001292814-26-001726.txt ( ) — 11KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * Johannpeter Guilherme Chagas Gerdau (Last) (First) (Middle) AVENUE DOUTORA RUTH DE CARDOSO, 8501 8TH FLOOR, PINHEIROS (Street) SAO PAULO SAO PAULO 05425-070 (City) (State) (Zip) BRAZIL (Country) 2. Issuer Name and Ticker or Trading Symbol GERDAU S.A. [ GGB ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) X Other (specify below) Vice-Chairman of Board 2a. Foreign Trading Symbol [ GGBR ] 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Preferred shares 03/20/2026 S 85,607 D $ 3.29 (1) 0 D Common shares 702,952,615 I Remarks (2) Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units $ 3.69 (1) 02/12/2027 (3) 02/12/2027 Preferred shares 106,519 106,519 D Restricted Stock Units $ 3.69 (1) 02/12/2028 (4) 02/12/2028 Preferred shares 116,745 116,745 D Restricted Stock Units $ 3.69 (1) 02/12/2029 (5) 02/12/2029 Preferred shares 105,670 105,670 D Explanation of Responses: 1. The price is denominated in Brazilian reais and has been translated into U.S. dollars at the March 20, 2026 selling rate of R$5.2800 per US$1.00, as reported by the Central Bank of Brazil. 2. See remarks below. 3. Restricted stock units vest on February 12, 2027. 4. Restricted stock units vest on February 12, 2028. 5. Restricted stock units vest on February 12, 2029. 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 hold 27,58% of Gerdau Metalurgica S.A.'s total shares. Gerdau Metalurgica S.A. is the direct controlling shareholder of the issuer, owning 35,56% of its shares. 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. /s/ Guilherme Chagas Gerdau Johannpeter 03/24/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4 (b)(v). ** Intentional misstatement

View Full Filing

View this 4 filing on SEC EDGAR