Over the past 12 months, 6 insiders at Zai Lab Ltd filed 43 open-market SEC Form 4 transactions on ZLAB: 3 purchases worth $355K and 40 sales worth $17.3M. Insiders have been net sellers over this period. The most recent filing was on Jul 1, 26.
| Date | Insider | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 1, 26 | Richard Gaynor | BUY | 1.7K | $19.05 | $33K |
| Jun 26, 26 | Yajing ChenChief Financial Officer | SELL | 2.3K | $17.46 | $40K |
| Jun 26, 26 | Ying DuChairperson & CEO | SELL | 24.5K | $17.46 | $429K |
| Jun 26, 26 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 4.1K | $17.46 | $72K |
| May 18, 26 | Ying DuChairperson & CEO | SELL | 50.0K | $19.00 | $950K |
| May 15, 26 | Ying DuChairperson & CEO | SELL | 50.0K | $20.74 | $1.0M |
| May 14, 26 | Ying DuChairperson & CEO | SELL | 50.0K | $20.09 | $1.0M |
| May 14, 26 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 3.5K | $20.19 | $71K |
| May 13, 26 | Ying DuChairperson & CEO | SELL | 33.8K | $20.22 | $683K |
| Apr 6, 26 | Rafael AmadoSee Remarks | SELL | 2.7K | $20.45 | $56K |
| Apr 6, 26 | Yajing ChenChief Financial Officer | SELL | 853 | $20.45 | $17K |
| Apr 6, 26 | Ying DuChairperson & CEO | SELL | 2.7K | $20.45 | $54K |
| Apr 6, 26 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 1.2K | $20.45 | $25K |
| Mar 17, 26 | Richard GaynorDirector | BUY | 1.7K | $18.91 | $33K |
| Mar 13, 26 | Rafael AmadoSee Remarks | SELL | 3.0K | $18.63 | $55K |
| Mar 13, 26 | Yajing ChenChief Financial Officer | SELL | 1.7K | $18.63 | $32K |
| Mar 13, 26 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 1.3K | $18.63 | $24K |
| Mar 13, 26 | Joshua L SmileySee Remarks | SELL | 2.0K | $18.63 | $37K |
| Mar 11, 26 | Ying DuChairperson & CEO | SELL | 1.1K | $19.08 | $20K |
| Mar 9, 26 | Ying DuChairperson & CEO | SELL | 50.0K | $19.03 | $952K |
| Mar 6, 26 | Ying DuChairperson & CEO | SELL | 50.0K | $19.42 | $971K |
| Mar 5, 26 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 15.6K | $19.06 | $297K |
| Mar 5, 26 | Ying DuChairperson & CEO | SELL | 50.0K | $19.22 | $961K |
| Mar 4, 26 | Ying DuChairperson & CEO | SELL | 35.7K | $19.32 | $690K |
| Mar 3, 26 | Rafael AmadoSee Remarks | SELL | 10.0K | $17.38 | $174K |
| Dec 31, 25 | Rafael AmadoSee Remarks | SELL | 10.8K | $17.43 | $188K |
| Dec 16, 25 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 8.7K | $17.14 | $148K |
| Nov 21, 25 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 14.3K | $19.78 | $283K |
| Nov 3, 25 | Yajing ChenChief Financial Officer | SELL | 240 | $26.83 | $6K |
| Oct 2, 25 | Yajing ChenChief Financial Officer | SELL | 456 | $34.25 | $16K |
| Sep 10, 25 | Joshua L SmileySee Remarks | BUY | 10.0K | $28.91 | $289K |
| Aug 18, 25 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 1.9K | $36.24 | $68K |
| Aug 18, 25 | Joshua L SmileySee Remarks | SELL | 6.6K | $36.24 | $241K |
| Aug 15, 25 | Yajing ChenChief Financial Officer | SELL | 828 | $35.53 | $29K |
| Aug 13, 25 | Ying DuChairperson & CEO | SELL | 46.4K | $35.47 | $1.6M |
| Aug 12, 25 | Ying DuChairperson & CEO | SELL | 50.0K | $34.25 | $1.7M |
| Aug 11, 25 | Ying DuChairperson & CEO | SELL | 50.0K | $34.64 | $1.7M |
| Aug 8, 25 | Rafael AmadoSee Remarks | SELL | 3.0K | $35.00 | $105K |
| Aug 8, 25 | Yajing ChenChief Financial Officer | SELL | 4.1K | $34.01 | $139K |
| Aug 8, 25 | Ying DuChairperson & CEO | SELL | 50.0K | $34.74 | $1.7M |
| Jul 2, 25 | Ying DuChairperson & CEO | SELL | 7.1K | $35.23 | $249K |
| Jun 30, 25 | Ying DuChairperson & CEO | SELL | 6.9K | $35.52 | $246K |
| Jun 26, 25 | Yajing ChenChief Financial Officer | SELL | 2.7K | $36.13 | $97K |
| Jun 26, 25 | Ying DuChairperson & CEO | SELL | 23.7K | $36.13 | $855K |
| Jun 26, 25 | Frazor Titus Edmondson IIIChief Legal Officer | SELL | 5.9K | $36.13 | $212K |
| Jun 20, 25 | William LisDirector | SELL | 13.8K | $35.67 | $493K |
| Jun 2, 25 | Yajing ChenChief Financial Officer | SELL | 9.6K | $30.00 | $289K |
| May 14, 25 | Ying DuChairperson & CEO | SELL | 46.0K | $28.83 | $1.3M |
| May 13, 25 | Ying DuChairperson & CEO | SELL | 47.8K | $28.89 | $1.4M |
| May 12, 25 | Ying DuChairperson & CEO | SELL | 49.4K | $29.92 | $1.5M |
Over the past 12 months, insiders at Zai Lab Ltd filed 3 open-market purchases worth $355K and 40 sales worth $17.3M on ZLAB, which makes them net sellers over the period. The most recent Form 4 was filed on Jul 1, 26.
The largest recent open-market ZLAB insider purchase in our data was $289K by Joshua L Smiley, See Remarks, filed on Sep 10, 25.
6 different insiders at Zai Lab Ltd filed open-market SEC Form 4 transactions on ZLAB over the last 12 months.
InsiderTape plots every ZLAB insider buy and sell directly on the price chart and flags new SEC Form 4 filings as they arrive, with cluster detection and buy/sell pressure. The data updates daily from SEC EDGAR.
InsiderTape plots every Zai Lab Ltd insider buy and sell on the price chart, with buy/sell pressure, cluster detection, and alerts the moment new Form 4s hit. Start a free 7-day trial, cancel anytime.
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