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sellModerate cluster of 4

Chia Yuan Wang sold $344k of GGB

other at GERDAU S.A.. 76,700 shares at an average of $4.49, traded Apr 28, 2026, filed Apr 30, 2026.

Warning score
48
Value
$344k
76,700 shares
Holdings after
92,195
-45% from before
From 52-week low
+83%
low $2.41, close $4.43
From 52-week high
-1%
high $4.46, as of Apr 28, 2026

Score components

  • Role
    Other
    +8
  • Trade size
    $344k at market
    +15
  • Share of holdings sold
    Sold 45% of holdings
    +10
  • Cluster
    4 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -0.8%, 3m +9.4%, 6m -.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

GGBOct 12, 2026 · close 5.14
Since filing Apr 30, 2026: +14.5%SPY +8.8% · excess +5.7%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002119830-26-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 28, 2026SOpen-market sale
Preferred shares
-76,700$4.49$344k92,195Apr 30, 2026

Related signals

Other insiders at GERDAU S.A. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
52Moderate
GGBsell 2
GERDAU S.A.
Claudio Johannpeter
other
$423k
85,607 shares
-100%
39Weak
GGBsell 2
GERDAU S.A.
Rafael Gamboa Lopes
other
$264k
51,800 shares
-38%
50Moderate
GGBsell 3
GERDAU S.A.
Marcos Zilles Mattiello
other
$53k
10,387 shares
-100%
44Moderate
GGBsell 2
GERDAU S.A.
Andre Bier Gerdau Johannpeter
other
$490k
99,200 shares
-29%
28Weak
GGBsell 2
GERDAU S.A.
Rafael Dorneles Japur
other
$51k
10,000 shares
-10%
55Moderate
GGBbuy
GERDAU S.A.
Gustavo Werneck Da Cunha
CEO and Board Member
$782k
165,224 shares
-
54Moderate
GGBsell 5
GERDAU S.A.
Chia Yuan Wang
other
$139k
30,935 shares
-100%
34Weak
GGBsell 5
GERDAU S.A.
Mauricio Metz
other
$34k
7,000 shares
-24%
28Weak
GGBsell 5
GERDAU S.A.
Mauricio Metz
other
$24k
5,000 shares
-14%
23Weak
GGBsell 5
GERDAU S.A.
Rafael Dorneles Japur
other
$24k
5,000 shares
-5%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Chia Yuan Wang sold $344k of GGB | InsiderTell