// company-profile

Zai Lab Ltd

ZLAB
ExchangeNasdaqSectorPharmaceutical PreparationsInc.E9Filings164Insiders17
// api This Zai Lab Ltd insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 8 insiders purchased shares. Buying was led by Morrison Scott W.

// 90-day insight

Over the last 90 days, Zai Lab Ltd insiders bought $0 (20 transactions) and sold $918K (10 transactions).

  • Most active insider: Du Ying with 23 transactions totaling $7.2M.
  • Largest single sale: $2.2M by Du Ying on May 19, 2026.
  • 41% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Zai Lab Ltd as of 2026-03-31

↑ increasing
Total reported AUM
$521.5M
QoQ change
+8.2%
Reporting period
2026-03-31
#1
RTW INVESTMENTS, LP
CIK 1493215
$123.7M
6.6M shares
#2
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
$107.4M
5.7M shares
#3
Frazier Life Sciences Management, L.P.
CIK 1892134
$35.8M
1.9M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 17, 2026Morrison Scott WZLAB
Award
22,371$0.00$0K
Jun 17, 2026GAYNOR RICHARDZLAB
Award
22,371$0.00$0K
Jun 17, 2026Leung NisaZLAB
Award
22,371$0.00$0K
Jun 17, 2026Lis WilliamZLAB
Award
22,371$0.00$0K
Jun 17, 2026DIEKMAN JOHN DZLAB
Award
22,371$0.00$0K

45 more transactions hidden

Free account · No credit card required

Building something? Get API access →

Popular companies on Form4API

Browse insider trading activity for other actively-filed companies.