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Who

Rafael Gamboa Lopes

Other role

Company insider

Files Form 4 as: Other, Gerdau.

Every Form 4 they filed

In numbers

Trades disclosed
2
Buys
0
Sells
1
Bought
$0
Sold
$527K
Companies
1
Companies where not an officer
1
First trade
17 Sep 2026
Last trade
17 Sep 2026
Last filed
21 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
GGB GerdauOther · Steel & Metals Processing · last 17 Sep 20260 buys · 1 sell

Activity over time

1 Sep – 1 Oct
101 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
17 Sep 2026filed 21 Sep 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$264K51,800 at $5.09filing
17 Sep 2026filed 21 Sep 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$264K51,800 at $5.09filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Materials1

Buys in green, sells in red, by the company’s sector.

Related people

Claudio JohannpeterOther role · Other at Gerdau, filing Form 4 there in the last year
Marcos Eduardo Faraco WahrhaftigOther role · Other at Gerdau, filing Form 4 there in the last year
Marcos Zilles MattielloOther role · Other at Gerdau, filing Form 4 there in the last year
Andre Bier Gerdau JohannpeterOther role · Other at Gerdau, filing Form 4 there in the last year
Rafael Dorneles JapurOther role · Other at Gerdau, filing Form 4 there in the last year