Skip to content
sellWeak cluster of 510b5-1 plan

Rafael Amado sold $174k of ZLAB

See Remarks at Zai Lab Ltd. 10,000 shares at an average of $17.38, traded Mar 3, 2026, filed Mar 5, 2026.

Warning score
26
Value
$174k
10,000 shares
Holdings after
42,391
-19% from before
From 52-week low
+9%
low $16.30, close $17.72
From 52-week high
-59%
high $43.03, as of Mar 3, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $174k at market
    +11
  • Share of holdings sold
    Sold 19% of holdings
    +5
  • Cluster
    5 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 +5.8%, 3m -10.2%, 6m +39.9%.

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 Mar 5, 2026: +29.5%SPY +15.2% · excess +14.3%

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 0000905148-26-001174, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 3, 2026SOpen-market sale
American Depositary Shares10b5-1
-10,000$17.38$174k42,391Mar 5, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
2Weak
ZLABsell10b5-1
Zai Lab Ltd
Yajing Chen
Chief Financial Officer
$7,020
260 shares
-1%
2Weak
ZLABsell10b5-1
Zai Lab Ltd
Yajing Chen
Chief Financial Officer
$15k
619 shares
-2%
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%
23Weak
ZLABsell 210b5-1
Zai Lab Ltd
Ying Du
Chairperson & CEO
$2.0M
100,000 shares
-9%
16Weak
ZLABsell 210b5-1
Zai Lab Ltd
Frazor Titus Edmondson III
Chief Legal Officer
$71k
3,517 shares
-15%
37Weak
ZLABsell 5
Zai Lab Ltd
Rafael Amado
See Remarks
$56k
2,739 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.

Rafael Amado sold $174k of ZLAB | InsiderTell