ZLAB Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 4.96%

Insider Buying (Last 12 Months): $289,100.00

Insider Selling (Last 12 Months): $15,500,804.70

Zai Lab Insider Trading History Chart

Zai Lab Share Price & Price History

^$19.95

▲ +0.2 (1.01%)

As of 12/4/2025 05:00 PM ET

Days: 30 | 90 | 365

Zai Lab Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/3/2025	Yajing Chen	CFO	Sell	240	$26.83	$6,439.20	17,444
9/10/2025	Joshua L. Smiley	Insider	Buy	10,000	$28.91	$289,100.00	86,604
8/18/2025	Joshua L. Smiley	Insider	Sell	6,641	$36.24	$240,669.84	76,604
8/15/2025	Yajing Chen	CFO	Sell	1,438	$35.42	$50,933.96	16,720
8/13/2025	Ying Du	CEO	Sell	46,387	$35.47	$1,645,346.89	536,962
8/11/2025	Ying Du	CEO	Sell	50,000	$34.64	$1,732,000.00	536,962
8/8/2025	Rafael Amado	Insider	Sell	3,000	$35.00	$105,000.00	42,178
8/8/2025	Yajing Chen	CFO	Sell	4,096	$34.01	$139,304.96	16,908
8/8/2025	Ying Du	CEO	Sell	50,000	$34.74	$1,737,000.00	536,962
7/2/2025	Ying Du	CEO	Sell	7,072	$35.23	$249,146.56	536,962
6/30/2025	Ying Du	CEO	Sell	6,918	$35.52	$245,727.36	526,034
6/26/2025	Yajing Chen	CFO	Sell	2,675	$36.13	$96,647.75	21,004
6/26/2025	Ying Du	CEO	Sell	23,669	$36.13	$855,160.97	514,982
6/20/2025	William Lis	Director	Sell	13,814	$35.67	$492,745.38	35,106
6/2/2025	Yajing Chen	CFO	Sell	9,618	$30.00	$288,540.00	17,429
5/14/2025	Ying Du	CEO	Sell	46,389	$28.09	$1,303,067.01	479,851
5/13/2025	Ying Du	CEO	Sell	50,000	$28.57	$1,428,500.00	479,851
4/4/2025	Frazor Titus Edmondson, III	Insider	Sell	1,874	$33.11	$62,048.14	30,375
4/4/2025	Yajing Chen	CFO	Sell	924	$33.11	$30,593.64	27,047
4/4/2025	Ying Du	CEO	Sell	2,945	$33.11	$97,508.95	479,851
4/2/2025	Frazor Titus Edmondson, III	Insider	Sell	4,369	$35.89	$156,803.41	27,217
4/2/2025	Yajing Chen	CFO	Sell	5,280	$35.89	$189,499.20	25,471
4/2/2025	Ying Du	CEO	Sell	5,808	$35.89	$208,449.12	476,046
3/17/2025	Rafael Amado	Insider	Sell	3,000	$38.41	$115,230.00	30,834
3/3/2025	Ying Du	CEO	Sell	50,000	$32.44	$1,622,000.00	494,117
2/28/2025	Frazor Titus Edmondson, III	Insider	Sell	14,544	$32.98	$479,661.12	14,328
2/28/2025	Ying Du	CEO	Sell	50,000	$34.47	$1,723,500.00	494,117
12/31/2024	Rafael Amado	Insider	Sell	7,583	$26.28	$199,281.24	33,834
8/16/2024	Joshua L. Smiley	Insider	Sell	4,352	$16.67	$72,547.84	43,232
7/1/2024	William Lis	Director	Sell	10,397	$17.32	$180,076.04	53,089
7/1/2024	Ying Du	CEO	Sell	7,013	$17.48	$122,587.24	1,081,910
6/26/2024	Harald Reinhart	Insider	Sell	7,431	$17.90	$133,014.90	62,619
6/26/2024	Yajing Chen	CFO	Sell	2,154	$17.90	$38,556.60	13,714
6/26/2024	Ying Du	CEO	Sell	23,939	$17.90	$428,508.10	1,142,833
5/14/2024	Frazor Titus Edmondson, III	Insider	Sell	10,000	$21.33	$213,300.00	16,408
4/4/2024	Joshua L. Smiley	Insider	Sell	1,988	$15.67	$31,151.96	28,684
4/4/2024	Yajing Chen	CFO	Sell	845	$15.67	$13,241.15	9,618
4/2/2024	Frazor Titus Edmondson, III	Insider	Sell	885	$16.15	$14,292.75	22,621
4/2/2024	Yajing Chen	CFO	Sell	519	$16.15	$8,381.85	7,963
4/2/2024	Ying Du	CEO	Sell	5,787	$16.15	$93,460.05	1,107,972
3/15/2024	Rafael Amado	Insider	Sell	2,544	$18.86	$47,979.84	20,093
1/3/2024	Ying Du	CEO	Sell	8,380	$26.12	$218,885.60	1,133,450
1/2/2024	Rafael Amado	Insider	Sell	19,363	$26.30	$509,246.90	22,637
12/14/2023	Joshua L. Smiley	Insider	Buy	4,000	$29.90	$119,600.00	20,527
11/16/2023	Joshua L. Smiley	Insider	Buy	5,000	$26.93	$134,650.00	16,527
11/2/2023	Yajing Chen	CFO	Sell	165	$25.23	$4,162.95	6,982
3/6/2023	Frazor Titus Edmondson, III	Insider	Sell	7,965	$40.55	$322,980.75	19,400
3/3/2023	Harald Reinhart	Insider	Sell	11,480	$40.00	$459,200.00	18,958
3/3/2023	William Lis	Director	Sell	5,434	$38.31	$208,176.54	23,330

SEC Filings (Institutional Ownership Changes) for Zai Lab (NASDAQ:ZLAB)

41.65% of Zai Lab stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Zai Lab Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
10/23/2025	SG Americas Securities LLC	9,754	$0.33M	0.0%	N/A	0.009%
5/21/2025	Acadian Asset Management LLC	29,693	$1.07M	0.0%	N/A	0.027%
5/16/2025	Woodline Partners LP	1,201,016	$43.41M	0.3%	-31.8%	1.089%
5/16/2025	ADAR1 Capital Management LLC	940,858	$34M	6.3%	-10.0%	0.853%
5/15/2025	MPM Bioimpact LLC	833,659	$30.13M	5.2%	+4.2%	0.756%
5/15/2025	Frazier Life Sciences Management L.P.	350,000	$12.65M	0.6%	N/A	0.317%
5/15/2025	Cubist Systematic Strategies LLC	93,645	$3.38M	0.0%	+29.0%	0.085%
5/15/2025	Royal Bank of Canada	13,771	$0.50M	0.0%	+214.3%	0.012%
5/15/2025	OLD Mission Capital LLC	107,997	$3.90M	0.1%	N/A	0.098%
5/15/2025	Canada Pension Plan Investment Board	262,500	$9.49M	0.0%	N/A	0.238%
5/15/2025	Tema Etfs LLC	64,262	$2.32M	0.7%	N/A	0.058%
5/14/2025	PEAK6 LLC	7,500	$0.27M	0.0%	N/A	0.007%
5/14/2025	Walleye Capital LLC	22,276	$0.81M	0.0%	+6.4%	0.020%
5/14/2025	Price T Rowe Associates Inc. MD	2,268,216	$81.97M	0.0%	-3.6%	2.056%
5/14/2025	Candriam S.C.A.	240,941	$8.71M	0.1%	-35.8%	0.218%
5/14/2025	Hsbc Holdings PLC	25,000	$0.89M	0.0%	+32.7%	0.023%
5/14/2025	Wellington Management Group LLP	3,647,225	$131.81M	0.0%	-45.2%	3.306%
5/14/2025	MY.Alpha Management HK Advisors Ltd	239,146	$8.64M	4.3%	N/A	0.217%
5/13/2025	Raymond James Financial Inc.	125,967	$4.55M	0.0%	+219.6%	0.114%
5/13/2025	Caitong International Asset Management Co. Ltd	2,081	$75K	0.1%	N/A	0.002%
5/13/2025	Russell Investments Group Ltd.	37,716	$1.36M	0.0%	-83.7%	0.034%
5/12/2025	Invesco Ltd.	54,544	$1.97M	0.0%	+23.0%	0.049%
5/12/2025	Connor Clark & Lunn Investment Management Ltd.	1,009,020	$36.47M	0.2%	+19.9%	0.915%
5/12/2025	Townsquare Capital LLC	29,636	$1.07M	0.0%	+219.0%	0.027%
5/12/2025	XY Capital Ltd	305,397	$11.04M	3.2%	N/A	0.277%
5/9/2025	ABC Arbitrage SA	6,239	$0.23M	0.0%	N/A	0.006%
5/9/2025	DCF Advisers LLC	90,000	$3.25M	1.6%	+39.0%	0.082%
5/9/2025	Privium Fund Management B.V.	132,189	$4.78M	1.2%	-28.6%	0.120%
5/8/2025	Alberta Investment Management Corp	196,262	$7.09M	0.0%	-15.5%	0.178%
5/8/2025	US Bancorp DE	18,365	$0.66M	0.0%	+213.1%	0.017%
5/7/2025	Mackenzie Financial Corp	8,402	$0.30M	0.0%	N/A	0.008%
5/7/2025	RWC Asset Management LLP	6,144	$0.22M	0.0%	N/A	0.006%
5/7/2025	TD Asset Management Inc	295,728	$10.69M	0.0%	-4.3%	0.268%
5/6/2025	Avantax Advisory Services Inc.	6,234	$0.23M	0.0%	N/A	0.006%
5/6/2025	Advisors Preferred LLC	2,948	$0.11M	0.0%	N/A	0.003%
5/6/2025	Y Intercept Hong Kong Ltd	9,359	$0.34M	0.0%	N/A	0.008%
5/5/2025	Allianz Asset Management GmbH	1,884,411	$68.10M	0.1%	+25.1%	1.711%
5/5/2025	C WorldWide Group Holding A S	460,000	$16.62M	0.2%	-8.0%	0.418%
5/5/2025	Jennison Associates LLC	712,300	$25.74M	0.0%	N/A	0.647%
5/2/2025	Kingsview Wealth Management LLC	9,323	$0.34M	0.0%	+6.0%	0.008%
5/1/2025	Marks Group Wealth Management Inc	10,331	$0.37M	0.0%	N/A	0.009%
4/30/2025	Cerity Partners LLC	11,617	$0.42M	0.0%	N/A	0.011%
4/30/2025	Alps Advisors Inc.	76,298	$2.76M	0.0%	-13.7%	0.069%
4/30/2025	M&T Bank Corp	22,130	$0.80M	0.0%	-11.9%	0.020%
4/30/2025	China Universal Asset Management Co. Ltd.	12,544	$0.45M	0.0%	+13.4%	0.011%
4/29/2025	Envestnet Asset Management Inc.	178,714	$6.46M	0.0%	+379.4%	0.162%
4/29/2025	Penserra Capital Management LLC	67,159	$2.43M	0.0%	N/A	0.061%
4/29/2025	Bank of New York Mellon Corp	8,230	$0.30M	0.0%	N/A	0.007%
4/28/2025	Principal Financial Group Inc.	2,884,810	$104.26M	0.1%	+63.6%	2.620%
4/24/2025	Mirae Asset Global Investments Co. Ltd.	2,132,201	$77.06M	0.2%	+46,222.0%	1.945%
4/23/2025	Oppenheimer Asset Management Inc.	16,689	$0.60M	0.0%	N/A	0.015%
4/22/2025	Palumbo Wealth Management LLC	5,612	$0.20M	0.1%	N/A	0.005%
4/17/2025	Mission Wealth Management LP	20,000	$0.72M	0.0%	N/A	0.018%
4/10/2025	Hennion & Walsh Asset Management Inc.	187,747	$6.79M	0.3%	+2.4%	0.171%
4/9/2025	Legacy Wealth Asset Management LLC	22,285	$0.81M	0.2%	N/A	0.020%
2/19/2025	GF Fund Management CO. LTD.	1,095	$29K	0.0%	N/A	0.001%
2/19/2025	Public Employees Retirement System of Ohio	18,480	$0.48M	0.0%	+20.8%	0.017%
2/17/2025	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	57,114	$1.50M	0.0%	+2.1%	0.052%
2/17/2025	Woodline Partners LP	1,759,797	$46.09M	0.3%	+9.4%	1.608%
2/17/2025	Vestal Point Capital LP	300,000	$7.86M	0.5%	N/A	0.274%
2/17/2025	Squarepoint Ops LLC	27,961	$0.73M	0.0%	N/A	0.026%
2/17/2025	Twinbeech Capital LP	27,039	$0.71M	0.0%	N/A	0.025%
2/17/2025	Two Sigma Advisers LP	18,200	$0.48M	0.0%	+30.0%	0.017%
2/17/2025	Two Sigma Investments LP	29,757	$0.78M	0.0%	-56.2%	0.027%
2/17/2025	RTW Investments LP	2,509,119	$65.71M	1.0%	N/A	2.293%
2/17/2025	Point72 Asset Management L.P.	283,600	$7.43M	0.0%	+2,006.4%	0.259%
2/17/2025	Quantinno Capital Management LP	8,760	$0.23M	0.0%	-9.0%	0.008%
2/17/2025	MPM Bioimpact LLC	800,000	$20.95M	3.0%	N/A	0.731%
2/17/2025	Millennium Management LLC	123,387	$3.23M	0.0%	-10.9%	0.113%
2/17/2025	Lazard Asset Management LLC	43,178	$1.13M	0.0%	N/A	0.039%
2/17/2025	LMR Partners LLP	19,840	$0.52M	0.0%	N/A	0.018%
2/17/2025	Janus Henderson Group PLC	6,567,892	$172M	0.1%	-25.0%	6.002%
2/17/2025	Jasper Ridge Partners L.P.	8,024	$0.21M	0.0%	N/A	0.007%
2/17/2025	D. E. Shaw & Co. Inc.	73,412	$1.92M	0.0%	-222.0%	0.067%
2/17/2025	Cubist Systematic Strategies LLC	72,619	$1.90M	0.0%	-24.6%	0.066%
2/17/2025	Bridgefront Capital LLC	11,303	$0.30M	0.1%	N/A	0.010%
2/17/2025	Balyasny Asset Management L.P.	23,508	$0.62M	0.0%	-90.8%	0.021%
2/17/2025	Bamco Inc. NY	1,909,088	$50M	0.1%	+0.1%	1.745%
2/17/2025	Bayesian Capital Management LP	15,469	$0.41M	0.0%	N/A	0.014%
2/17/2025	Bellevue Group AG	13,000	$0.34M	0.0%	N/A	0.012%
2/17/2025	Bank of America Corp DE	62,114	$1.63M	0.0%	-38.9%	0.057%
2/17/2025	BNP Paribas Financial Markets	19,755	$0.52M	0.0%	+1,439.8%	0.018%
2/14/2025	RA Capital Management L.P.	1,295,040	$33.92M	0.4%	N/A	1.183%
2/14/2025	Schonfeld Strategic Advisors LLC	126,202	$3.31M	0.0%	N/A	0.115%
2/14/2025	Northern Trust Corp	49,365	$1.29M	0.0%	+117.8%	0.045%
2/14/2025	The Manufacturers Life Insurance Company	160,378	$4.20M	0.0%	+32.5%	0.147%
2/14/2025	Virtus ETF Advisers LLC	13,086	$0.34M	0.1%	-21.8%	0.012%
2/14/2025	Price T Rowe Associates Inc. MD	2,354,025	$61.65M	0.0%	+30.4%	2.151%
2/14/2025	Eversept Partners LP	102,930	$2.70M	0.2%	-23.9%	0.094%
2/14/2025	Hsbc Holdings PLC	18,840	$0.49M	0.0%	N/A	0.017%
2/14/2025	Rock Springs Capital Management LP	1,305,337	$34.19M	1.3%	-0.8%	1.193%
2/14/2025	B Group Inc.	400,000	$10.48M	6.4%	N/A	0.366%
2/14/2025	Capital World Investors	6,433,424	$168.49M	0.0%	0.0%	5.879%
2/14/2025	Capital International Investors	264,986	$6.94M	0.0%	+82.8%	0.242%
2/13/2025	Marshall Wace LLP	288,992	$7.57M	0.0%	N/A	0.264%
2/13/2025	XTX Topco Ltd	13,487	$0.35M	0.0%	-57.3%	0.012%
2/13/2025	Barclays PLC	3,702	$97K	0.0%	+337.6%	0.003%
2/13/2025	Townsquare Capital LLC	9,290	$0.24M	0.0%	N/A	0.008%
2/13/2025	Dymon Asia Capital Singapore PTE. LTD.	20,000	$0.52M	0.1%	N/A	0.018%
2/13/2025	Raymond James Financial Inc.	39,420	$1.03M	0.0%	N/A	0.036%

Data available starting January 2016

Zai Lab Limited develops and commercializes therapies to treat oncology, autoimmune disorders, infectious diseases, and neuroscience. Its commercial products include Zejula, an orally administered poly polymerase 1/2 inhibitor; Optune, a cancer therapy that uses electric fields tuned to specific frequencies to kill tumor cells; NUZYRA for acute bacterial skin and skin structure infections, and community acquired bacterial pneumonia; Qinlock to treat gastrointestinal stromal tumors, and VYVGART, a human IgG1 antibody fragment for myesthenia gravis. The company also develops Tumor Treating Fields, a portable device for delivery of electric fields; Repotrectinib, a tyrosine kinase inhibitor (TKI) to target ROS1 and TRK A/B/C in TKI-naïve- or -pretreated cancer patients; Tisotumab vedotin, an antibody drug conjugate; Adagrasib for treating KRAS-G12C-mutated NSCLC, colorectal cancer, and pancreatic cancer; and Bemarituzumab to treat gastric and gastroesophageal junction cancer patients. In addition, it develops Sulbactam/durlobactam, a combination of a beta-lactam antibiotic and a beta-lactamase inhibitor for the treatment of serious infections caused by Acinetobacter; KarXT for the treatment of psychiatric and neurological conditions. It has license and collaboration agreement with Tesaro, Inc. to develop, manufacture, and commercialize niraparib; NovoCure to develop and commercialize Tumor Treating Fields; Deciphera to develop and commercialize ripretinib; Paratek Bermuda Ltd. to develop, manufacture, and commercialize omadacycline; argenx, to develop and commercialize efgartigimod; BMS to develop and commercialize tisotumab vedotin and repotrectinib; Mirati to research, develop, manufacture, and commercialize adagrasib; Amgen to develop and commercialize bemarituzumab; and Innoviva to develop and commercialize Sulbactam-Durlobactam; Karuna to develop and commercialize KarXT. The company was incorporated in 2013 and is headquartered in Shanghai, China.

Today's Range

Now: $19.95

$19.81

$20.21

50 Day Range

MA: $25.87

$19.52

$34.44

52 Week Range

Now: $19.95

$19.40

$44.34

Volume

921,113 shs

Average Volume

879,537 shs

Market Capitalization

$2.23 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.87

Who are the company insiders with the largest holdings of Zai Lab?: Zai Lab's top insider shareholders include:
Ying Du (CEO)
Joshua L Smiley (Insider)
Harald Reinhart (Insider)
William Lis (Director)
Rafael Amado (Insider)
Frazor Titus Edmondson III (Insider)
Yajing Chen (CFO)
Learn More about top insider investors at Zai Lab.
Who are the major institutional investors of Zai Lab?: Zai Lab's top institutional shareholders include:
Jefferies Financial Group Inc. — 0.00%
Susquehanna International Group LLP — 0.00%
Citadel Advisors LLC — 0.00%
SG Americas Securities LLC — 0.01%
Group One Trading LLC — 0.00%
Learn More about top institutional investors of Zai Lab stock.
Which major investors are selling Zai Lab stock?: Within the previous quarter, ZLAB stock was sold by these institutional investors:
Group One Trading LLC
During the previous year, company insiders that have sold Zai Lab company stock include:
Ying Du (CEO)
Joshua L Smiley (Insider)
Harald Reinhart (Insider)
William Lis (Director)
Rafael Amado (Insider)
Frazor Titus Edmondson III (Insider)
Learn More investors selling Zai Lab stock.
Which major investors are buying Zai Lab stock?: Within the previous quarter, ZLAB stock was bought by institutional investors including:
Susquehanna International Group LLP
SG Americas Securities LLC
Citadel Advisors LLC