Insider · CIK 0002120774
Gustavo Werneck Da Cunha
Files at GGB (GERDAU S.A.). First filing Apr 10, 2026, latest Jun 15, 2026.
In brief
Gustavo Werneck Da Cunha files SEC Form 4 as CEO at GGB (GERDAU S.A.). Since Apr 10, 2026, Gustavo Werneck Da Cunha has reported 1 open-market buy worth $782k and 3 open-market sells worth $2.9M, the latest filed on Jun 15, 2026.
A track record needs three past buys with six months of prices behind them; Gustavo Werneck Da Cunha has 0, so none is measured yet.
The newest scored trade: bought $782k of GGB on Jun 12, 2026, filed Jun 15, 2026, scored 55 (moderate). In the last 12 months: 1 buy worth $782k and 3 sells worth $2.9M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
GGB: GERDAU S.A.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 55Moderate | GGBbuy GERDAU S.A. | $782k 165,224 shares | - | +71% from low-3% from high | |
| 85Strong | GERDAU S.A. | $2.1M 432,854 shares | -100% | +90% from low-2% from high | |
| 76Notable | GERDAU S.A. | $396k 88,000 shares | -100% | +83% from low-1% from high | |
| 76Notable | GERDAU S.A. | $409k 100,000 shares | -53% | +76% from low-13% from high |
Transactions
Every row this insider has filed, 6 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | GGB GERDAU S.A. | POpen-market purchase Preferred shares | +165,224 | $4.73 | $782k | 165,224 | Jun 15, 2026 |
| May 8, 2026 | GGB GERDAU S.A. | AGrant or award Preferred shares | +432,774 | $0.00 | $0 | 432,854 | May 12, 2026 |
| May 8, 2026 | GGB GERDAU S.A. | SOpen-market sale Preferred shares | -432,854 | $4.87 | $2.1M | 0 | May 12, 2026 |
| Apr 28, 2026 | GGB GERDAU S.A. | SOpen-market sale Preferred shares | -88,000 | $4.50 | $396k | 80 | May 5, 2026 |
| Apr 8, 2026 | GGB GERDAU S.A. | SOpen-market sale Preferred shares | -50,000 | $4.01 | $201k | 138,080 | Apr 10, 2026 |
| Apr 9, 2026 | GGB GERDAU S.A. | SOpen-market sale Preferred shares | -50,000 | $4.16 | $208k | 88,080 | Apr 10, 2026 |
Questions about Gustavo Werneck Da Cunha
Answered from the filings on this page, as of the latest one.
Is Gustavo Werneck Da Cunha buying or selling?
In the last 12 months Gustavo Werneck Da Cunha reported 1 open-market buy worth $782k and 3 open-market sells worth $2.9M on SEC Form 4; the latest was bought $782k of GGB on Jun 12, 2026. Grants, option exercises and tax withholding are not counted.
How did Gustavo Werneck Da Cunha's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Gustavo Werneck Da Cunha has 0.
Where does Gustavo Werneck Da Cunha file Form 4?
Gustavo Werneck Da Cunha has filed Form 4 at GGB (GERDAU S.A.) as CEO and Board Member. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
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.