Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Rafael Gamboa Lopes files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Cunha Gustavo Werneck da - $3.69M in GGB purchases and sales in the last 12 months
- Chia Yuan Wang - $661K in GGB purchases and sales in the last 12 months
- Guilherme Chagas Gerdau Johannpeter - $563K in GGB purchases and sales in the last 12 months
- Andre Bier Gerdau Johannpeter - $490K in GGB purchases and sales in the last 12 months
- Claudio Johannpeter - $423K in GGB purchases and sales in the last 12 months
- Mauricio Metz - $95K in GGB purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Rafael Gamboa Lopes?
Rafael Gamboa Lopes is a corporate insider of GERDAU S.A. (GGB). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Rafael Gamboa Lopes submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Rafael Gamboa Lopes been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($264K) across all tracked filings.
