GERDAU S.A. (GGB) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 3 sales totalling $594K. Most recent filing: Aug. 27, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Aug. 27, 2026 filed July 15, 2026 | Wahrhaftig Marcos Eduardo Faraco Insider | $404,059 | 107,749 | 0% | No | |
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| Aug. 14, 2026 filed June 8, 2026 | Mattiello Marcos Zilles Insider | −$53,078 | 10,387 | −100% | No | |
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| Aug. 12, 2026 filed Aug. 10, 2026 | Johannpeter Andre Bier Gerdau Insider | −$490,048 | 99,200 | −29% | No | |
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| Aug. 10, 2026 filed Aug. 6, 2026 | Japur Rafael Dorneles Insider | −$51,000 | 10,000 | −10% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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