In the last 12 months, insiders at GERDAU S.A. ($GGB) filed 18 transactions with the SEC: 0 open-market purchases totaling $0 and 17 sales totaling $4,607,672. Net insider sentiment: net selling.
GERDAU S.A. operates in the Steel works, blast furnaces & rolling & finishing mills industry (Manufacturing sector).
Most Active Insiders
- Da Cunha Gustavo Werneck (CEO and Board Member) — 5 transactions totaling $2,912,499
- Wang Chia Yuan (Other) — 5 transactions totaling $866,433
- Johannpeter Guilherme Chagas Gerdau (Other) — 2 transactions totaling $563,294
- Uhlein Clemir (Other) — 1 transaction totaling $172,625
- Wahrhaftig Marcos Eduardo Faraco (Other) — 1 transaction totaling $50,421
View all SEC Filings for GERDAU S.A. (GGB).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 | Metz Mauricio | Other | S | Preferred shares | 5000 | $4.85 | 34,536.0000 | 717,782,619 | 12.65% | 0.00% |
| May 8, 2026 | Da Cunha Gustavo Werneck | CEO and Board Member | S | Preferred shares | 432854 | $4.87 | 0.0000 | 717,782,619 | 100.00% | 0.06% |
| May 8, 2026 | Da Cunha Gustavo Werneck | CEO and Board Member | A | Preferred shares | 432774 | $0.00 | 432,854.0000 | 717,782,619 | 9999.99% | 0.06% |
| May 5, 2026 | Metz Mauricio | Other | S | Preferred shares | 2000 | $4.69 | 39,536.0000 | 717,782,619 | 4.82% | 0.00% |
| May 5, 2026 | Wang Chia Yuan | Other | S | Preferred shares | 40000 | $4.75 | 33,077.0000 | 717,782,619 | 54.74% | 0.01% |
| April 28, 2026 | Da Cunha Gustavo Werneck | CEO and Board Member | S | Preferred shares | 88000 | $4.50 | 80.0000 | 717,782,619 | 99.91% | 0.01% |
| April 30, 2026 | Wang Chia Yuan | Other | S | Preferred shares | 20000 | $4.54 | 73,077.0000 | 717,782,619 | 21.49% | 0.00% |
| April 28, 2026 | Uhlein Clemir | Other | S | Preferred shares | 38276 | $4.51 | 0.0000 | 717,782,619 | 100.00% | 0.01% |
| April 28, 2026 | Wang Chia Yuan | Other | S | Preferred shares | 76700 | $4.49 | 93,077.0000 | 717,782,619 | 45.18% | 0.01% |
| April 28, 2026 | Metz Mauricio | Other | S | Preferred shares | 1000 | $4.53 | 41,536.0000 | 717,782,619 | 2.35% | 0.00% |
| April 10, 2026 | Metz Mauricio | Other | S | Preferred shares | 1000 | $4.24 | 42,536.0000 | 717,782,619 | 2.30% | 0.00% |
| April 10, 2026 | Wang Chia Yuan | Other | S | Preferred shares | 25000 | $4.21 | 168,895.0000 | 717,782,619 | 12.89% | 0.00% |
| April 9, 2026 | Wahrhaftig Marcos Eduardo Faraco | Other | S | Preferred shares | 12419 | $4.06 | 0.0000 | 717,782,619 | 100.00% | 0.00% |
| April 8, 2026 | Da Cunha Gustavo Werneck | CEO and Board Member | S | Preferred shares | 50000 | $4.01 | 138,080.0000 | 717,782,619 | 26.58% | 0.01% |
| April 8, 2026 | Wang Chia Yuan | Other | S | Preferred shares | 34000 | $4.00 | 194,777.0000 | 717,782,619 | 14.86% | 0.00% |
| April 9, 2026 | Da Cunha Gustavo Werneck | CEO and Board Member | S | Preferred shares | 50000 | $4.16 | 88,080.0000 | 717,782,619 | 36.21% | 0.01% |
| March 20, 2026 | Johannpeter Guilherme Chagas Gerdau | Other | S | Preferred shares | 85607 | $3.29 | 0.0000 | 717,782,619 | 100.00% | 0.01% |
| March 20, 2026 | Johannpeter Guilherme Chagas Gerdau | Other | S | Preferred shares | 85607 | $3.29 | 0.0000 | 717,782,619 | 100.00% | 0.01% |