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Who

Guilherme Chagas Gerdau Johannpeter

Other role

Company insider

Files Form 4 as: Other, Gerdau.

In numbers

Trades disclosed
4
Buys
0
Sells
2
Bought
$0
Sold
$1.1M
Companies
1
Companies where not an officer
1
First trade
20 Mar 2026
Last trade
20 Mar 2026
Last filed
25 Mar 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
GGB GerdauOther · Steel & Metals Processing · last 20 Mar 20260 buys · 2 sells

Activity over time

1 Mar – 1 Oct
20Mar 26May 26Jul 26Aug 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
20 Mar 2026filed 25 Mar 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$282K85,607 at $3.29filing
20 Mar 2026filed 25 Mar 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$282K85,607 at $3.29filing
20 Mar 2026filed 24 Mar 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$282K85,607 at $3.29filing
20 Mar 2026filed 24 Mar 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$282K85,607 at $3.29filing

News

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

Sectors

Materials2

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
Rafael Gamboa LopesOther 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 · Also traded GGB in the last 90 days