Gustavo Werneck Da Cunha bought $782k of GGB
CEO and Board Member at GERDAU S.A.. 165,224 shares at an average of $4.73, traded Jun 12, 2026, filed Jun 15, 2026.
Score components
- +25RoleCEO
- +22Trade size$782k at market
- +8Relative to holdingsFirst purchase: no shares before this trade
- 0Price contextNear the top of the 52-week range
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0002120774-26-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Jun 12, 2026 | POpen-market purchase Preferred shares | +165,224 | $4.73 | $782k | 165,224 | Jun 15, 2026 |
Related signals
Other insiders at GERDAU S.A. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 52Moderate | GERDAU S.A. | Claudio Johannpeter other | $423k 85,607 shares | -100% | |
| 39Weak | GERDAU S.A. | Rafael Gamboa Lopes other | $264k 51,800 shares | -38% | |
| 50Moderate | GERDAU S.A. | Marcos Zilles Mattiello other | $53k 10,387 shares | -100% | |
| 44Moderate | GERDAU S.A. | Andre Bier Gerdau Johannpeter other | $490k 99,200 shares | -29% | |
| 28Weak | GERDAU S.A. | Rafael Dorneles Japur other | $51k 10,000 shares | -10% | |
| 54Moderate | GERDAU S.A. | Chia Yuan Wang other | $139k 30,935 shares | -100% | |
| 34Weak | GERDAU S.A. | Mauricio Metz other | $34k 7,000 shares | -24% | |
| 28Weak | GERDAU S.A. | Mauricio Metz other | $24k 5,000 shares | -14% | |
| 23Weak | GERDAU S.A. | Rafael Dorneles Japur other | $24k 5,000 shares | -5% | |
| 56Moderate | GERDAU S.A. | Cesar Obino da Rosa Peres Officer | $37k 8,000 shares | -100% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.