Gerdau S.A.
Last updated September 27, 2026
Organization details
- Legal name
- Gerdau S.A.
- Ownership
- Public
- Status
- Active
- Sector (GICS)
- Materials
- SIC code
- 3310 — Steel Works, Blast Furnaces & Rolling & Finishing Mills
- Jurisdiction of incorporation
- Brazil
- Headquarters city
- SAO Paulo, SP
- Headquarters country
- Brazil
- Fiscal year end
- December
- Ticker symbol
- GGB
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001073404
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $781,510
- 1 purchase by 1 insider
- Sold, last 12 months
- $5,863,610
- 26 sales by 12 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 23, 2026 | Johannpeter Claudio Vice-Chairman of Board | Open-market sale | −85,607 | $4.94 | $422,899 |
| Sep 17, 2026 | Lopes Rafael Gamboa Executive Vice President | Open-market sale | −51,800 | $5.09 | $263,662 |
| Aug 10, 2026 | Johannpeter Andre Bier Gerdau Chairman of Board of Directors | Open-market sale | −99,200 | $4.94 | $490,048 |
| Aug 6, 2026 | Japur Rafael Dorneles VP, CFO and IR Officer | Open-market sale | −10,000 | $5.10 | $51,000 |
| Jun 12, 2026 | Da Cunha Gustavo Werneck Officer (CEO and Board Member) | Open-market purchase | +165,224 | $4.73 | $781,510 |
| Jun 8, 2026 | Mattiello Marcos Zilles Senior Management | Open-market sale | −10,387 | $5.11 | $53,078 |
| Jun 2, 2026 | Wang Chia Yuan Senior Management | Open-market sale | −30,935 | $4.49 | $138,898 |
| Jun 2, 2026 | Metz Mauricio Executive Vice President | Open-market sale | −7,000 | $4.85 | $33,950 |
| May 26, 2026 | Metz Mauricio Executive Vice President | Open-market sale | −5,000 | $4.70 | $23,500 |
| May 22, 2026 | Japur Rafael Dorneles VP, CFO and IR Officer | Open-market sale | −5,000 | $4.75 | $23,750 |
| May 19, 2026 | Peres Cesar Obino da Rosa Officer (Officer) | Open-market sale | −8,000 | $4.60 | $36,800 |
| May 13, 2026 | Metz Mauricio Executive Vice President | Open-market sale | −5,000 | $4.85 | $24,250 |
| May 8, 2026 | Da Cunha Gustavo Werneck Officer (CEO and Board Member) | Grant or award | +432,774 | — | — |
| May 8, 2026 | Da Cunha Gustavo Werneck Officer (CEO and Board Member) | Open-market sale | −432,854 | $4.87 | $2,107,999 |
| May 5, 2026 | Metz Mauricio Executive Vice President | Open-market sale | −2,000 | $4.69 | $9,380 |
Peers
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Questions about Gerdau S.A.
Are Gerdau S.A. insiders buying or selling shares?
Over the last 12 months, Gerdau S.A. insiders bought $781,510 of shares in 1 purchase and sold $5.9 million of shares in 26 sales on the open market, as reported to the SEC on Forms 4 and 5.
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