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sellWeak cluster of 5

Joshua L Smiley sold $111k of ZLAB

See Remarks at Zai Lab Ltd. 3,354 shares at an average of $33.11, traded Apr 4, 2025, filed Apr 7, 2025.

Warning score
25
Value
$111k
3,354 shares
Holdings after
67,345
-5% from before
From 52-week low
+56%
low $20.34, close $31.77
From 52-week high
-17%
high $38.35, as of Apr 4, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $111k at market
    +10
  • Share of holdings sold
    Sold 4.7% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 -1.5%, 3m +23.2%, 6m +15.6%.

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.

ZLABOct 9, 2026 · close 24.99
Since filing Apr 7, 2025: -13.2%SPY +56.9% · excess -70.2%

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 0000905148-25-001117, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 3, 2025MOption exercise
American Depositary Shares
+7,145--70,699Apr 7, 2025
Apr 4, 2025SOpen-market sale
American Depositary Shares
-3,354$33.11$111k67,345Apr 7, 2025
Apr 3, 2025AGrant or award
Restricted Share Unitsderivative
-7,145$0.00$014,290Apr 7, 2025

Related signals

Other insiders at Zai Lab Ltd and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
10Weak
ZLABsell 210b5-1
Zai Lab Ltd
Yajing Chen
Chief Financial Officer
$7,020
260 shares
-1%
10Weak
ZLABsell 210b5-1
Zai Lab Ltd
Yajing Chen
Chief Financial Officer
$15k
619 shares
-2%
20Weak
ZLABsell 210b5-1
Zai Lab Ltd
William Lis
director
$213k
8,506 shares
-17%
14Weak
ZLABbuy10b5-1
Zai Lab Ltd
Richard Gaynor
director
$33k
1,736 shares
+2%
36Weak
ZLABsell 4
Zai Lab Ltd
Ying Du
Chairperson & CEO
$130k
7,026 shares
-1%
28Weak
ZLABsell 4
Zai Lab Ltd
Yajing Chen
Chief Financial Officer
$40k
2,264 shares
-6%
42Moderate
ZLABsell 4
Zai Lab Ltd
Ying Du
Chairperson & CEO
$429k
24,543 shares
-2%
28Weak
ZLABsell 4
Zai Lab Ltd
Frazor Titus Edmondson III
Chief Legal Officer
$72k
4,103 shares
-12%
26Weak
ZLABsell 410b5-1
Zai Lab Ltd
William Lis
director
$127k
7,040 shares
-12%
23Weak
ZLABsell 210b5-1
Zai Lab Ltd
Ying Du
Chairperson & CEO
$2.0M
100,000 shares
-9%

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.

Joshua L Smiley sold $111k of ZLAB | InsiderTell