Du Ying Zai Lab LTD (ZLAB) insider trading activity

ZLAB Quotes by TradingView

Du Ying is Chairperson & CEO of Zai Lab Ltd. Currently has a direct ownership of 536,962 shares of ZLAB, which is worth approximately $19.3 Million. The most recent transaction as insider was on Jul 02, 2025, when has been sold 7,072 shares (American Depositary Shares) at a price of $35.23 per share, resulting in proceeds of $249,146. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 537K
11.9% 3M change
50.37% 12M change
Total Value Held $19.3 Million

Du Ying Transaction History

Date Transaction Value Shares Traded Shares Held Form
Jul 02 2025
SELL
Open market or private sale
$249,146 $35.23 p/Share
7,072 Reduced 1.3%
536,962 American Depositary Sh...
Jul 01 2025
BUY
Exercise of conversion of derivative security
-
18,000 Added 3.2%
544,034 American Depositary Sh...
Jun 30 2025
SELL
Open market or private sale
$245,727 $35.52 p/Share
6,918 Reduced 1.3%
526,034 American Depositary Sh...
Jun 27 2025
BUY
Exercise of conversion of derivative security
-
17,970 Added 3.26%
532,952 American Depositary Sh...
Jun 26 2025
SELL
Open market or private sale
$855,160 $36.13 p/Share
23,669 Reduced 4.39%
514,982 American Depositary Sh...
Jun 25 2025
BUY
Exercise of conversion of derivative security
-
58,800 Added 9.84%
538,651 American Depositary Sh...
May 14 2025
SELL
Open market or private sale
$1,320,230 $28.46 p/Share
46,389 Reduced 8.82%
479,851 American Depositary Sh...
May 14 2025
BUY
Exercise of conversion of derivative security
$27,833 $0.6 p/Share
46,389 Added 8.1%
526,240 American Depositary Sh...
May 13 2025
SELL
Open market or private sale
$1,436,000 $28.72 p/Share
50,000 Reduced 9.44%
479,851 American Depositary Sh...
May 13 2025
BUY
Exercise of conversion of derivative security
$30,000 $0.6 p/Share
50,000 Added 8.62%
529,851 American Depositary Sh...
May 12 2025
SELL
Open market or private sale
$1,484,000 $29.68 p/Share
50,000 Reduced 9.44%
479,851 American Depositary Sh...
May 12 2025
BUY
Exercise of conversion of derivative security
$30,000 $0.6 p/Share
50,000 Added 8.62%
529,851 American Depositary Sh...
May 09 2025
SELL
Open market or private sale
$1,493,500 $29.87 p/Share
50,000 Reduced 9.44%
479,851 American Depositary Sh...
May 09 2025
BUY
Exercise of conversion of derivative security
$30,000 $0.6 p/Share
50,000 Added 8.62%
529,851 American Depositary Sh...
Apr 04 2025
SELL
Open market or private sale
$97,508 $33.11 p/Share
2,945 Reduced 0.61%
479,851 American Depositary Sh...
Apr 03 2025
BUY
Exercise of conversion of derivative security
-
6,750 Added 1.38%
482,796 American Depositary Sh...
Apr 02 2025
SELL
Open market or private sale
$208,449 $35.89 p/Share
5,808 Reduced 1.21%
476,046 American Depositary Sh...
Apr 01 2025
BUY
Exercise of conversion of derivative security
-
14,200 Added 2.86%
481,854 American Depositary Sh...
Mar 17 2025
SELL
Bona fide gift
-
6,521 Reduced 1.38%
467,654 American Depositary Sh...
Mar 14 2025
SELL
Bona fide gift
-
19,942 Reduced 4.04%
474,175 American Depositary Sh...
Mar 05 2025
SELL
Open market or private sale
$1,647,737 $35.52 p/Share
46,389 Reduced 8.58%
494,117 American Depositary Sh...
Mar 05 2025
BUY
Exercise of conversion of derivative security
$27,833 $0.6 p/Share
46,389 Added 7.9%
540,506 American Depositary Sh...
Mar 04 2025
SELL
Open market or private sale
$1,670,499 $33.41 p/Share
50,000 Reduced 9.19%
494,117 American Depositary Sh...
Mar 04 2025
BUY
Exercise of conversion of derivative security
$30,000 $0.6 p/Share
50,000 Added 8.42%
544,117 American Depositary Sh...
Mar 03 2025
SELL
Open market or private sale
$1,637,500 $32.75 p/Share
50,000 Reduced 9.19%
494,117 American Depositary Sh...
DY

Du Ying

Chairperson & CEO
Cambridge, MA

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