Zai Lab Ltd insider trading
ZLAB$25.58-0.04 (-0.16% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 6, 2026. Price (-23.2%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
AI Activity Analysis
PremiumComing soon
Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| ZLAB | Yajing Chen | Open market sell$7.02K | -0.7% | $27.00 | $7.02K | Aug 19, 2026 | Aug 21, 2026 |
| ZLAB | William Lis | Open market sell$213K | -16.9% | $25.00 | $213K | Aug 12, 2026 | Aug 13, 2026 |
| ZLAB | Yajing Chen | Open market sell$15.5K | -1.7% | $25.00 | $15.5K | Aug 11, 2026 | Aug 13, 2026 |
| ZLAB | Richard Gaynor | Open market purchase$33.1K | +2.2% | $19.05 | $33.1K | Jul 1, 2026 | Jul 6, 2026 |
| ZLAB | Ying Du | Open market sell$130K | -0.6% | $18.53 | $130K | Jun 30, 2026 | Jul 1, 2026 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$71.6K | -11.9% | $17.46 | $71.6K | Jun 26, 2026 | Jun 29, 2026 |
| ZLAB | Ying Du | Open market sell$429K | -2.0% | $17.46 | $429K | Jun 26, 2026 | Jun 29, 2026 |
| ZLAB | Yajing Chen | Open market sell$39.5K | -6.0% | $17.46 | $39.5K | Jun 26, 2026 | Jun 29, 2026 |
| ZLAB | William Lis | Open market sell$127K | -12.3% | $18.09 | $127K | Jun 22, 2026 | Jun 24, 2026 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$71K | -15.1% | $20.19 | $71K | May 14, 2026 | May 15, 2026 |
| ZLAB | Joshua L. Smiley | Open market sell$61.7K | -2.5% | $20.45 | $61.7K | Apr 6, 2026 | Apr 8, 2026 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$25K | -5.0% | $20.45 | $25K | Apr 6, 2026 | Apr 8, 2026 |
| ZLAB | Ying Du | Open market sell$54.3K | -0.2% | $20.45 | $54.3K | Apr 6, 2026 | Apr 8, 2026 |
| ZLAB | Yajing Chen | Open market sell$17.4K | -2.6% | $20.45 | $17.4K | Apr 6, 2026 | Apr 8, 2026 |
| ZLAB | Rafael Amado | Open market sell$56K | -4.6% | $20.45 | $56K | Apr 6, 2026 | Apr 8, 2026 |
| ZLAB | Richard Gaynor | Open market purchase$32.7K | +3.2% | $18.91 | $32.7K | Mar 17, 2026 | Mar 19, 2026 |
| ZLAB | Joshua L. Smiley | Open market sell$36.6K | -2.1% | $18.63 | $36.6K | Mar 13, 2026 | Mar 16, 2026 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$23.9K | -16.5% | $18.63 | $23.9K | Mar 13, 2026 | Mar 16, 2026 |
| ZLAB | Yajing Chen | Open market sell$31.7K | -7.9% | $18.63 | $31.7K | Mar 13, 2026 | Mar 16, 2026 |
| ZLAB | Rafael Amado | Open market sell$55.1K | -6.2% | $18.63 | $55.1K | Mar 13, 2026 | Mar 16, 2026 |
| ZLAB | Ying Du | Open market sell$20.4K | -0.1% | $19.08 | $20.4K | Mar 11, 2026 | Mar 12, 2026 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$297K | -81.6% | $19.06 | $297K | Mar 5, 2026 | Mar 6, 2026 |
| ZLAB | Rafael Amado | Open market sell$174K | -19.1% | $17.38 | $174K | Mar 3, 2026 | Mar 5, 2026 |
| ZLAB | Rafael Amado | Open market sell$188K | -17.1% | $17.43 | $188K | Dec 31, 2025 | Jan 2, 2026 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$148K | -31.2% | $17.14 | $148K | Dec 16, 2025 | Dec 18, 2025 |
| ZLAB | Frazor Titus Edmondson III | Open market sell$283K | -34.1% | $19.78 | $283K | Nov 21, 2025 | Nov 25, 2025 |
| ZLAB | Yajing Chen | Open market sell$6.44K | -1.4% | $26.83 | $6.44K | Nov 3, 2025 | Nov 4, 2025 |