Zai Lab Limited (ZLAB) Insider Trading Activity

NASDAQ$22.96+1 (4.55%)
Market Cap
$2.48B
Sector
Healthcare
Industry
Biotechnology
Rank in Sector
316 of 849
Rank in Industry
179 of 491

ZLAB Insider Trading Activity

ZLAB Median Price and Trade Amounts History Chart

Statistics of Insider Transactions

Amount of Insider Buys and Sells

Buys
$65,804
2
5
Sells
$11,110,628
37
95

Related Transactions

GAYNOR RICHARDdirector
2
$65,804
0
$0
$65,804
Chen YajingChief Financial Officer
0
$0
7
$223,639
$-223,639
Smiley Joshua LSee Remarks
0
$0
3
$294,344
$-294,344
Lis Williamdirector
0
$0
2
$340,004
$-340,004
Amado RafaelSee Remarks
0
$0
5
$674,994
$-674,994
Edmondson Frazor Titus IIIChief Legal Officer
0
$0
8
$1.01M
$-1.01M
Du YingChairperson & CEO
0
$0
13
$8.58M
$-8.58M

About Zai Lab Limited

Operating primarily in Mainland China and Hong Kong, Zai Lab Limited is a biopharmaceutical company focused on the discovery, development, and commercialization of innovative medical treatments. Their therapeutic portfolio spans oncology, autoimmune conditions, infectious diseases, and neurological disorders. Currently available products in their portfolio include Zejula, a once-daily small-molecule PARP 1/2 inhibitor; Optune, a medical device leveraging tumor treating fields; NUZYRA, an antimicrobial agent for specific acute bacterial skin and …

Insider Activity of Zai Lab Limited

Over the last 12 months, insiders at Zai Lab Limited have bought $65,804 and sold $11.11M worth of Zai Lab Limited stock.

On average, over the past 5 years, insiders at Zai Lab Limited have bought $255,321 and sold $7.94M worth of stock each year.

Highest buying activity among insiders over the last 12 months: GAYNOR RICHARD (director) — $65,804.

The last purchase of 1,736 shares for transaction amount of $33,071 was made by GAYNOR RICHARD (director) on 2026‑07‑01.

List of Insider Buy and Sell Transactions, Zai Lab Limited

2026-08-19SaleChen YajingChief Financial Officer
260
0.0002%
$27.00
$7,020
-6.14%
2026-08-12SaleLis Williamdirector
8,506
0.0074%
$25.00
$212,650
-0.73%
2026-08-11SaleChen YajingChief Financial Officer
619
0.0005%
$25.00
$15,475
-2.65%
2026-07-01PurchaseGAYNOR RICHARDdirector
1,736
0.0015%
$19.05
$33,071
+27.05%
2026-06-30SaleDu YingChairperson & CEO
7,026
0.0061%
$18.53
$130,220
+27.71%
2026-06-26SaleDu YingChairperson & CEO
24,543
0.0211%
$17.46
$428,545
+34.36%
2026-06-26SaleChen YajingChief Financial Officer
2,264
0.0019%
$17.46
$39,532
+34.36%
2026-06-26SaleEdmondson Frazor Titus IIIChief Legal Officer
4,103
0.0035%
$17.46
$71,642
+34.36%
2026-06-22SaleLis Williamdirector
7,040
0.0061%
$18.09
$127,354
+30.41%
2026-05-18SaleDu YingChairperson & CEO
50,000
0.0455%
$19.00
$949,765
+17.02%
2026-05-15SaleDu YingChairperson & CEO
50,000
0.0455%
$20.74
$1.04M
+7.12%
2026-05-14SaleDu YingChairperson & CEO
50,000
0.0446%
$20.09
$1M
+8.41%
2026-05-14SaleEdmondson Frazor Titus IIIChief Legal Officer
3,517
0.0032%
$20.19
$71,008
+8.41%
2026-05-13SaleDu YingChairperson & CEO
50,000
0.0441%
$19.97
$998,469
+7.47%
2026-04-06SaleDu YingChairperson & CEO
2,653
0.0024%
$20.45
$54,249
+5.56%
2026-04-06SaleSmiley Joshua LSee Remarks
3,017
0.0027%
$20.45
$61,692
+5.56%
2026-04-06SaleAmado RafaelSee Remarks
2,739
0.0025%
$20.45
$56,007
+5.56%
2026-04-06SaleChen YajingChief Financial Officer
853
0.0008%
$20.45
$17,442
+5.56%
2026-04-06SaleEdmondson Frazor Titus IIIChief Legal Officer
1,224
0.0011%
$20.45
$25,028
+5.56%
2026-04-02SaleDu YingChairperson & CEO
5,576
0.0051%
$20.39
$113,695
+5.78%
Total: 165
*Gray background shows transactions not older than one year

Insider Historical Profitability

<0.0001%
Smiley Joshua LSee Remarks
117602
0.1043%
$2.58M58
<0.0001%
GAYNOR RICHARDdirector
80737
0.0716%
$1.77M21
WIRTH PETERdirector
0
0%
$011
<0.0001%
*Gray background shows insiders who have made transactions during last year

Historical Insider Profitability vs. Competitors

$52,263,649
70
1.18%
$2.49B
$586,486,795
47
4.28%
$2.38B
$154,047,855
36
79.21%
$2.21B
$28,907,358
35
41.41%
$2.28B
$1,603,489
30
98.90%
$2.33B

ZLAB Institutional Investors: Active Positions

Increased Positions72+38.92%11M+32.43%
Decreased Positions84-45.41%17M-49.69%
New Positions33New2MNew
Sold Out Positions44Sold Out10MSold Out
Total Postitions173-6.49%29M-17.26%

ZLAB Ownership Change vs Market

Institutional Investor Ownership

Top Shareholders
Top Buyers
Top Sellers
New Shareholders
Sold-Out Shareholders
Active Shareholders
Capital World Investors$105,326.005.43%6.08M+41,481+0.69%2025-09-30
Fmr Llc$81,481.004.2%4.7M-1M-24.13%2025-09-30
Clearbridge Investments, Llc$60,990.003.14%3.52M-492,619-12.28%2025-09-30
Rtw Investments, Lp$39,709.002.05%2.29M-3M-58.62%2025-09-30
Janus Henderson Group Plc$35,518.001.83%2.05M-148,323-6.75%2025-09-30
Wellington Management Group Llp$29,781.001.53%1.72M+341,492+24.8%2025-09-30
Frazier Life Sciences Management, L.P.$28,201.001.45%1.63M+319,182+24.4%2025-09-30
Bamco Inc /Ny/$23,764.001.22%1.37M-216,571-13.64%2025-09-30
Citadel Advisors Llc$17,105.000.88%987,043+620,830+169.53%2025-09-30
Price T Rowe Associates Inc /Md/$16,440.000.85%948,671+795,634+519.9%2025-09-30

Financial Ratios

Summary
Comparison with Competitors

Price to Earnings

Price/Earnings to Growth

Price to Sales

Price to Book

Price/Free Cash Flow

Analyst Recommendations

Analyst Price Targets

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Information is provided 'as-is' and solely for informational purposes and is not advice. Prismo does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.