Du Ying Zai Lab LTD (ZLAB) insider trading activity

Du Ying is Chairperson & CEO of Zai Lab Ltd. Currently has a direct ownership of 994,117 shares of ZLAB, which is worth approximately $30 Million. The most recent transaction as insider was on Sep 03, 2021, when has been sold 24,145 shares (Ordinary Shares) at a price of $145.26 per share, resulting in proceeds of $3,507,303. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 994K

8.11% 3M change

10.46% 12M change

Total Value Held $30 Million

Du Ying Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Sep 03 2021	SELL Open market or private sale	$3,507,303 $145.26 p/Share	24,145 Reduced 2.27%	1,038,438 Ordinary Shares
Sep 02 2021	SELL Open market or private sale	$4,200,633 $146.17 p/Share	28,738 Reduced 2.63%	1,062,583 Ordinary Shares
Sep 01 2021	SELL Open market or private sale	$4,174,295 $146.76 p/Share	28,443 Reduced 2.54%	1,091,321 Ordinary Shares
Sep 01 2021	BUY Exercise of conversion of derivative security	$66,667 $0.6 p/Share	111,111 Added 9.03%	1,119,764 Ordinary Shares
Aug 03 2021	SELL Open market or private sale	$3,813,525 $145.46 p/Share	26,217 Reduced 2.53%	1,008,653 Ordinary Shares
Aug 02 2021	SELL Open market or private sale	$12,132,202 $142.91 p/Share	84,894 Reduced 7.07%	1,116,649 Ordinary Shares
Aug 02 2021	BUY Exercise of conversion of derivative security	$66,667 $0.6 p/Share	111,111 Added 9.05%	1,116,649 Ordinary Shares
Jul 02 2021	SELL Open market or private sale	$4,804,159 $176.28 p/Share	27,253 Reduced 2.63%	1,008,653 Ordinary Shares
Jul 01 2021	SELL Open market or private sale	$14,806,808 $176.57 p/Share	83,858 Reduced 7.49%	1,035,906 Ordinary Shares
Jul 01 2021	BUY Exercise of conversion of derivative security	$66,667 $0.6 p/Share	111,111 Added 9.03%	1,119,764 Ordinary Shares
Jun 02 2021	SELL Open market or private sale	$1,682,521 $177.8 p/Share	9,463 Reduced 0.93%	1,008,653 Ordinary Shares
Jun 01 2021	SELL Open market or private sale	$17,920,543 $176.3 p/Share	101,648 Reduced 9.08%	1,018,116 Ordinary Shares
Jun 01 2021	BUY Exercise of conversion of derivative security	$66,667 $0.6 p/Share	111,111 Added 9.03%	1,119,764 Ordinary Shares
May 04 2021	SELL Open market or private sale	$7,953,398 $162.49 p/Share	48,947 Reduced 5.86%	786,430 Ordinary Shares
May 03 2021	SELL Open market or private sale	$10,142,678 $163.16 p/Share	62,164 Reduced 6.93%	835,377 Ordinary Shares
Apr 07 2021	SELL Open market or private sale	$2,927,798 $133.47 p/Share	21,936 Reduced 2.39%	897,541 Ordinary Shares
Apr 06 2021	SELL Open market or private sale	$4,851,597 $126.37 p/Share	38,392 Reduced 4.01%	919,477 Ordinary Shares
Apr 05 2021	SELL Open market or private sale	$6,514,571 $128.28 p/Share	50,784 Reduced 5.03%	957,869 Ordinary Shares
Apr 01 2021	SELL Bona fide gift	-	16,000 Reduced 1.56%	1,008,653 Ordinary Shares

Du Ying

Chairperson & CEO

Cambridge, MA

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