Over 12 months, Zai Lab Ltd saw more selling than buying from its insiders — purchases of about $66,000 against sales of $11.1 million.
Biggest single buyer: GAYNOR RICHARD, Director, with roughly $33,000.
Zooming out by quarter: 7 quarters in a row of net selling by insiders. Insiders bought in 3 of the last 7 full quarters. On the institutional side, 93 funds reported holding ZLAB at the end of Q2 2026, and funds were split between buying and selling.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | Chen Yajing | CFO | Sell | 260 | $27.00 | $7K | SEC |
| Aug 13, 2026 | Lis William | Director | Sell | 8,506 | $25.00 | $213K | SEC |
| Aug 13, 2026 | Chen Yajing | CFO | Sell | 619 | $25.00 | $15K | SEC |
| Jul 6, 2026 | GAYNOR RICHARD | Director | Buy | 1,736 | $19.05 | $33K | SEC |
| Jul 1, 2026 | Du Ying | CEO | Sell | 7,026 | $18.53 | $130K | SEC |
| Jun 29, 2026 | Edmondson Frazor Titus III | Executive Officer | Sell | 4,103 | $17.46 | $72K | SEC |
| Jun 29, 2026 | Du Ying | CEO | Sell | 24,543 | $17.46 | $429K | SEC |
| Jun 29, 2026 | Chen Yajing | CFO | Sell | 2,264 | $17.46 | $40K | SEC |
| Jun 24, 2026 | Lis William | Director | Sell | 7,040 | $18.09 | $127K | SEC |
| May 19, 2026 | Du Ying | CEO | Sell | 50,000 | $20.74 | $1.0M | SEC |
| May 19, 2026 | Du Ying | CEO | Sell | 50,000 | $19.00 | $950K | SEC |
| May 15, 2026 | Edmondson Frazor Titus III | Executive Officer | Sell | 3,517 | $20.19 | $71K | SEC |
| May 15, 2026 | Du Ying | CEO | Sell | 16,231 | $19.44 | $316K | SEC |
| May 15, 2026 | Du Ying | CEO | Sell | 33,769 | $20.22 | $683K | SEC |
| May 15, 2026 | Du Ying | CEO | Sell | 50,000 | $20.09 | $1.0M | SEC |
In the last 12 months Zai Lab Ltd insiders made open-market purchases worth about $66,000 and sales worth about $11.1 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in ZLAB was filed on 2026-08-21.
93 investment managers reported holding ZLAB in SEC Form 13F filings for Q2 2026.
No congressional trades in ZLAB were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).