Zai Lab Ltd
Net SellingZLAB·US·🇺🇸 US
2%buys·98%sells
710 transactions$955KTotal buys·6 buys
$165.7MTotal sells·281 sells
1919 insiders
Last: Apr 2, 2026
| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Apr 6, 26 | Amado Rafael | Sell | $56K | |
| Apr 6, 26 | Du Ying | Sell | $54K | |
| Apr 6, 26 | Smiley Joshua L | Sell | $62K | |
| Apr 6, 26 | Chen Yajing | Sell | $17K | |
| Apr 6, 26 | Edmondson Frazor Titus III | Sell | $25K | |
| Apr 2, 26 | Amado Rafael | Exercise | - | |
| Apr 2, 26 | Amado Rafael | Sell | $202K | |
| Apr 2, 26 | Amado Rafael | Exercise | - | |
| Apr 2, 26 | Du Ying | Exercise | - | |
| Apr 2, 26 | Du Ying | Sell | $114K |
Zai Lab Ltd is seeing coordinated insider selling. 5 insiders sold shares in the last 30 days, with total sell volume of $530K. Overall insider sentiment is bearish (98% sales).
Zai Lab Ltd (ZLAB) has recorded 710 insider operations, including 6 open-market purchases ($955K), 281 sales ($165.7M) and 423 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (98% sales).
Insider activity at Zai Lab Ltd is sustained, with operations recorded in 10 of the last 12 months — a sign of regular regulatory filings.
Among the most active insiders are Du Ying (CEO), Chen Yajing (CFO) & Cho William Ki Chul (CFO), with respectively 258, 61, 13 transactions.
Across all 716 recorded transactions, the breakdown by type is: sells (286, 40%), exercise (258, 36%), grant (117, 16%), tax (26, 4%), gift (19, 3%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
Zai Lab Ltd has recorded 710 insider operations in total, including 6 open-market purchases ($955K), 281 sales ($165.7M) and 423 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on April 2, 2026.
Insiders at Zai Lab Ltd are currently net sellers, with 2% purchases and 98% sales across all reported transactions. Total buy volume is $955K versus $165.7M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 19 insiders at Zai Lab Ltd (ZLAB). Du Ying (CEO, 258 tx), Chen Yajing (CFO, 61 tx), Cho William Ki Chul (CFO, 13 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for ZLAB is bearish, based on a 2% buy ratio across 287 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for Zai Lab Ltd comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.