Zai Lab Ltd (ZLAB) insider trading
Every open-market stock purchase and sale by Zai Lab Ltd executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- William Lis (Insider) and 1 other sold $235K in the last 90 days.
- Last insider buy: Richard Gaynor (Insider), $33.1K, 4 months ago.
Last 12 months: insiders bought $65.8K (2 buys) and sold $11.1M (34 sales). Last close $24.20 on Oct 21, 2026.
Recent ZLAB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 1, 2026 | Yajing Chen (CFO) | Sold (not open market) | $8K |
| Oct 1, 2026 | Yajing Chen (CFO) | Bought (not open market) | — |
| Oct 1, 2026 | Yajing Chen (CFO) | Bought (not open market) | — |
| Aug 19, 2026 | Yajing Chen (CFO) | Sold | $7K |
| Aug 14, 2026 | Yajing Chen (CFO) | Sold (not open market) | $11.1K |
| Aug 14, 2026 | Yajing Chen (CFO) | Bought (not open market) | — |
| Aug 14, 2026 | Yajing Chen (CFO) | Bought (not open market) | — |
| Aug 12, 2026 | William Lis (Insider) | Sold | $213K |
| Aug 11, 2026 | Yajing Chen (CFO) | Sold | $15.5K |
| Jul 2, 2026 | Du Ying (CEO) | Sold (not open market) | $83.1K |
| Jul 2, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jul 2, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jul 2, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jul 1, 2026 | Du Ying (CEO) | Sold (not open market) | $136K |
| Jul 1, 2026 | Richard Gaynor (Insider) | Bought | $33.1K |
| Jul 1, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jul 1, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jun 30, 2026 | Du Ying (CEO) | Sold | $130K |
| Jun 29, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jun 29, 2026 | Du Ying (CEO) | Bought (not open market) | — |
| Jun 26, 2026 | Du Ying (CEO) | Sold | $429K |
| Jun 26, 2026 | Frazor Titus Edmondson III (C-suite exec) | Sold | $71.6K |
| Jun 26, 2026 | Yajing Chen (CFO) | Sold | $39.5K |
| Jun 25, 2026 | Yajing Chen (CFO) | Bought (not open market) | — |
| Jun 25, 2026 | Du Ying (CEO) | Bought (not open market) | — |
Who's trading ZLAB
- Yajing Chen, CFO: sold $224K (7 sales), last Oct 1, 2026
- William Lis, Insider: sold $340K (2 sales), last Aug 12, 2026
- Du Ying, CEO: sold $8.6M (15 sales), last Jul 2, 2026
- Richard Gaynor, Insider: bought $65.8K (2 buys), last Jul 1, 2026
- Frazor Titus Edmondson III, C-suite exec: sold $1M (8 sales), last Jun 26, 2026
- Michel Vounatsos, Insider: other filings, last Jun 17, 2026
- Scott W Morrison, Insider: other filings, last Jun 17, 2026
- Peter Wirth, Insider: other filings, last Jun 17, 2026
- John D Diekman, Insider: other filings, last Jun 17, 2026
- Nisa Leung, Insider: other filings, last Jun 17, 2026
- Leon O Moulder Jr, Insider: other filings, last Jun 17, 2026
- Yizhe Wang, Insider: other filings, last May 11, 2026
- Joshua L Smiley, Insider: sold $294K (3 sales), last Apr 6, 2026
- Rafael Amado, Insider: sold $675K (5 sales), last Apr 6, 2026
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