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Who

Chia Yuan Wang

Other role

Company insider

Files Form 4 as: Other, Gerdau.

Every Form 4 they filed

In numbers

Trades disclosed
12
Buys
0
Sells
6
Bought
$0
Sold
$2.0M
Companies
1
Companies where not an officer
1
First trade
8 Apr 2026
Last trade
2 Jun 2026
Last filed
3 Jun 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
GGB GerdauOther · Steel & Metals Processing · last 2 Jun 20260 buys · 6 sells

Activity over time

1 Apr – 1 Oct
40Apr 26Jun 26Jul 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
2 Jun 2026filed 3 Jun 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$139K30,935 at $4.49filing
2 Jun 2026filed 3 Jun 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$139K30,935 at $4.49filing
5 May 2026filed 7 May 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$190K40,000 at $4.75filing
5 May 2026filed 7 May 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$190K40,000 at $4.75filing
30 Apr 2026filed 4 May 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$91K20,000 at $4.54filing
30 Apr 2026filed 4 May 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$91K20,000 at $4.54filing
28 Apr 2026filed 30 Apr 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$344K76,700 at $4.49filing
28 Apr 2026filed 30 Apr 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$344K76,700 at $4.49filing
10 Apr 2026filed 14 Apr 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$105K25,000 at $4.21filing
10 Apr 2026filed 14 Apr 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$105K25,000 at $4.21filing
8 Apr 2026filed 10 Apr 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$136K34,000 at $4.00filing
8 Apr 2026filed 10 Apr 2026GGB GerdauSteel & Metals ProcessingSEC FORM 4 Sold$136K34,000 at $4.00filing

News

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

Sectors

Materials6

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