Key facts
- ZLAB - Zai Lab Ltd has 19 insiders with reported activity on this page.
- Net insider value flow over the last year: -$19,649,706.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 19 Insiders of Zai Lab Ltd
- Symbol
- ZLAB on Nasdaq
- Location
- Shanghai
Change
- Buy value: $321,833; sell value: $19,971,538.
- Net share flow: -788,858.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$19,649,706.
Buys
$321,833
Shares: 11,731
Insiders: 2
Sells
$19,971,539
Shares: 800,589
Insiders: 6
Net
-$19,649,706
Shares: -788,858
Insiders: -4
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 1,731 | 483,039 | $32,733 | $9,458,465 | -$9,425,732 |
| 3-6 | 0 | 19,438 | $0 | $336,317 | -$336,317 |
| 6-9 | 10,000 | 15,024 | $289,100 | $305,464 | -$16,364 |
| 9-12 | 0 | 283,088 | $0 | $9,871,292 | -$9,871,292 |
Zai Lab Ltd executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Du Ying | Chairperson & CEO, Director | $21,995,054 | -$16,196,727 | -42% | Mixed | 19 May 2026 |
| Fu Tao | President & COO, Director | $13,303,479 | Mixed | 28 Oct 2021 | ||
| WIRTH PETER | Director | $8,169,424 | Mixed | 18 Jun 2025 | ||
| Joshua L. Smiley | President and Chief Operating Officer | $2,877,838 | -$245,887 | -7.9% | Mixed | 06 Apr 2026 |
| Alan B. Sandler | Head of Global Dev., Oncology | $1,906,906 | Mixed | 25 Jun 2022 | ||
| John D. Diekman | Director | $1,897,457 | Mixed | 18 Jun 2025 | ||
| Harald Reinhart | President and Head of Global Development for Neuroscience, Autoimmune and Infectious Diseases | $1,774,330 | Mixed | 25 Jun 2024 | ||
| William Ki Chul Cho | Chief Financial Officer | $1,603,316 | Mixed | 03 Apr 2023 | ||
| Rafael Amado | President, Head of Global Oncology Research and Development | $1,552,994 | -$779,994 | -33% | Mixed | 06 Apr 2026 |
| Moulder Leon O Jr. | Director | $1,317,860 | Mixed | 18 Jun 2025 | ||
| William Lis | Director | $1,252,231 | -$492,745 | -28% | Filing P/S | 18 Jun 2025 |
| Richard Gaynor | Director | $1,070,873 | +$32,733 | +3.2% | Filing P/S | 17 Mar 2026 |
| Kai-Xian Chen | Director | $1,038,757 | Mixed | 31 Dec 2024 | ||
| Michel Vounatsos | Director | $844,530 | Mixed | 18 Jun 2025 | ||
| Yi Liang | CCO & President, Greater China | $817,619 | Mixed | 25 Jun 2022 | ||
| Yajing Chen | Chief Financial Officer | $813,843 | -$752,659 | -48% | Mixed | 06 Apr 2026 |
| Frazor Titus Edmondson III | Chief Legal Officer | $733,917 | -$1,214,426 | -62% | Mixed | 14 May 2026 |
| Scott W. Morrison | Director | $712,171 | Mixed | 18 Jun 2025 | ||
| Nisa Leung | Director | Mixed | 18 Jun 2025 |
Top shareholders of Zai Lab Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| RTW INVESTMENTS, LP |
13D/G
13F
|
Company |
6.3%
|
69,590,320
|
$1,258,888,889 | +$844,379,694 | 31 Dec 2025 | |
| Qiming Venture Partners IV, L.P. |
13D/G
|
Qiming Corporate GP IV, Ltd. |
6%
|
66,329,320
|
$2,365,303,551 | $0 | 30 Jun 2025 | |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
13F
|
Company |
5.2%
|
57,435,330
|
$1,083,804,677 | $0 | 30 Mar 2026 | |
| Qiming Corporate GP IV, Ltd |
13D/G
|
— |
4.4%
|
48,883,643
|
$884,305,102 | $0 | 31 Dec 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
|
— |
4.3%
|
48,112,590
|
— | $0 | 31 Dec 2025 | |
| FMR LLC |
13F
13D/G
|
Company |
3.9%
from 13D/G
|
1,262,391
|
$23,745,575 | — | 31 Mar 2026 | |
| JANUS HENDERSON GROUP PLC |
13D/G
|
— |
3.6%
|
39,501,040
|
— | $0 | 31 Mar 2025 | |
| Capital World Investors |
13D/G
|
— |
0.2%
|
1,723,600
|
— | $0 | 31 Dec 2025 | |
| Frazier Life Sciences Management, L.P. |
13F
|
Company |
0.17%
|
1,902,320
|
$35,782,639 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.15%
|
1,688,632
|
$31,763,167 | — | 31 Mar 2026 | |
| BAMCO INC /NY/ |
13F
|
Company |
0.15%
|
1,658,318
|
$31,192,962 | — | 31 Mar 2026 | |
| ADAR1 Capital Management, LLC |
13F
|
Company |
0.13%
|
1,425,367
|
$26,811,153 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
0.08%
|
865,146
|
$16,273,397 | — | 31 Mar 2026 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.07%
|
814,707
|
$15,324,639 | — | 31 Mar 2026 | |
| C WorldWide Group Holding A/S |
13F
|
Company |
0.05%
|
510,000
|
$9,593,000 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.05%
|
504,191
|
$9,483,833 | — | 31 Mar 2026 | |
| B Group, Inc. |
13F
|
Company |
0.04%
|
450,646
|
$8,476,651 | — | 31 Mar 2026 | |
| SCHRODER INVESTMENT MANAGEMENT GROUP |
13F
|
Company |
0.04%
|
393,167
|
$7,018,031 | — | 31 Mar 2026 | |
| NAN FUNG TRINITY (HK) Ltd |
13F
|
Company |
0.03%
|
346,466
|
$6,517,025 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.03%
|
309,723
|
$5,825,890 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.03%
|
291,639
|
$5,486,000 | — | 31 Mar 2026 | |
| SUPERSTRING CAPITAL MANAGEMENT LP |
13F
|
Company |
0.02%
|
275,818
|
$5,188,137 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.02%
|
267,926
|
$5,039,687 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.02%
|
243,557
|
$4,581,308 | — | 31 Mar 2026 | |
| Aberdeen Group plc |
13F
|
Company |
0.02%
|
237,739
|
$4,471,871 | — | 31 Mar 2026 | |
| Hennion & Walsh Asset Management, Inc. |
13F
|
Company |
0.02%
|
214,323
|
$4,031,416 | — | 31 Mar 2026 | |
| Tidal Investments LLC |
13F
|
Company |
0.02%
|
183,691
|
$3,455,228 | — | 31 Mar 2026 | |
| NEXTBio Capital Management LP |
13F
|
Company |
0.02%
|
183,362
|
$3,449,039 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.02%
|
174,234
|
$3,271,937 | — | 31 Mar 2026 | |
| Privium Fund Management B.V. |
13F
|
Company |
0.01%
|
132,189
|
$2,486,475 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
0.01%
|
118,813
|
$2,234,873 | — | 31 Mar 2026 | |
| BNP Paribas Asset Management Holding S.A. |
13F
|
Company |
0.01%
|
116,560
|
$2,192,494 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.01%
|
110,587
|
$2,080,141 | — | 31 Mar 2026 | |
| Walleye Capital LLC |
13F
|
Company |
0.01%
|
94,678
|
$1,780,893 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.01%
|
94,397
|
$1,775,616 | — | 31 Mar 2026 | |
| ALPS ADVISORS INC |
13F
|
Company |
0.01%
|
90,848
|
$1,708,851 | — | 31 Mar 2026 | |
| Seven Fleet Capital Management LP |
13F
|
Company |
0.01%
|
77,858
|
$1,464,509 | — | 31 Mar 2026 | |
| Legal & General Group Plc |
13F
|
Company |
0.01%
|
70,014
|
$1,316,963 | — | 31 Mar 2026 | |
| BAROMETER CAPITAL MANAGEMENT INC. |
13F
|
Company |
0.01%
|
66,500
|
$1,250,865 | — | 31 Mar 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.01%
|
65,248
|
$1,227,315 | — | 31 Mar 2026 | |
| DCF Advisers, LLC |
13F
|
Company |
0.01%
|
63,500
|
$1,194,435 | — | 31 Mar 2026 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.01%
|
63,243
|
$1,189,601 | — | 31 Mar 2026 | |
| Virtus Investment Advisers, LLC |
13F
|
Company |
0%
|
47,511
|
$893,682 | — | 31 Mar 2026 | |
| XTX Topco Ltd |
13F
|
Company |
0%
|
47,072
|
$885,424 | — | 31 Mar 2026 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0%
|
37,440
|
$704,246 | — | 31 Mar 2026 | |
| WealthPlan Investment Management, LLC |
13F
|
Company |
0%
|
36,761
|
$691,474 | — | 31 Mar 2026 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0%
|
35,120
|
$660,607 | — | 31 Mar 2026 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0%
|
30,000
|
$564,300 | — | 31 Mar 2026 | |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE |
13F
|
Company |
0%
|
29,835
|
$561,196 | — | 31 Mar 2026 | |
| Headlands Technologies LLC |
13F
|
Company |
0%
|
28,109
|
$528,730 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for Zai Lab Ltd
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Du Ying | ZLAB | American Depositary Shares | Tax liability | -8.49% | -117,435 | 1,266,283 | 19 May 2026 | Direct | ||
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 23.3% | 261,092 | 1,383,718 | 19 May 2026 | Direct | ||
| Du Ying | ZLAB | Stock Options (Right to Buy) | Options Exercise | -100% | -261,092 | 0 | 19 May 2026 | Direct | ||
| Du Ying | ZLAB | American Depositary Shares | Sale | -4.26% | $949,765 | $19.00 | -50,000 | 1,122,626 | 18 May 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 4.45% | 50,000 | 1,172,626 | 18 May 2026 | Direct | ||
| Du Ying | ZLAB | Stock Options (Right to Buy) | Options Exercise | -16.1% | -50,000 | 261,092 | 18 May 2026 | Direct | ||
| Du Ying | ZLAB | American Depositary Shares | Sale | -4.26% | $1,037,110 | $20.74 | -50,000 | 1,122,626 | 15 May 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 4.45% | 50,000 | 1,172,626 | 15 May 2026 | Direct | ||
| Du Ying | ZLAB | Stock Options (Right to Buy) | Options Exercise | -13.8% | -50,000 | 311,092 | 15 May 2026 | Direct | ||
| Frazor Titus Edmondson III | ZLAB | American Depositary Shares | Sale | -15% | $71,008 | $20.19 | -3,517 | 19,849 | 14 May 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Sale | -4.26% | $1,004,575 | $20.09 | -50,000 | 1,122,626 | 14 May 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 4.45% | 50,000 | 1,172,626 | 14 May 2026 | Direct | ||
| Du Ying | ZLAB | Stock Options (Right to Buy) | Options Exercise | -12.2% | -50,000 | 361,092 | 14 May 2026 | Direct | ||
| Du Ying | ZLAB | American Depositary Shares | Sale | -4.26% | $998,469 | $19.97 | -50,000 | 1,122,626 | 13 May 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 4.45% | 50,000 | 1,172,626 | 13 May 2026 | Direct | ||
| Du Ying | ZLAB | Stock Options (Right to Buy) | Options Exercise | -10.8% | -50,000 | 411,092 | 13 May 2026 | Direct | ||
| Joshua L. Smiley | ZLAB | American Depositary Shares | Sale | -2.5% | $61,692 | $20.45 | -3,017 | 117,602 | 06 Apr 2026 | Direct |
| Frazor Titus Edmondson III | ZLAB | American Depositary Shares | Sale | -4.98% | $25,028 | $20.45 | -1,224 | 23,366 | 06 Apr 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Sale | -0.24% | $54,249 | $20.45 | -2,653 | 1,122,626 | 06 Apr 2026 | Direct |
| Yajing Chen | ZLAB | American Depositary Shares | Sale | -2.62% | $17,442 | $20.45 | -853 | 31,705 | 06 Apr 2026 | Direct |
| Rafael Amado | ZLAB | American Depositary Shares | Sale | -4.58% | $56,007 | $20.45 | -2,739 | 57,022 | 06 Apr 2026 | Direct |
| Joshua L. Smiley | ZLAB | American Depositary Shares | Sale | -7.38% | $196,029 | $20.39 | -9,614 | 120,619 | 02 Apr 2026 | Direct |
| Joshua L. Smiley | ZLAB | American Depositary Shares | Options Exercise | 5.8% | 7,145 | 130,233 | 02 Apr 2026 | Direct | ||
| Joshua L. Smiley | ZLAB | Restricted Share Units | Options Exercise | -50% | -7,145 | 7,145 | 02 Apr 2026 | Direct | ||
| Frazor Titus Edmondson III | ZLAB | American Depositary Shares | Sale | -14.6% | $85,516 | $20.39 | -4,194 | 24,590 | 02 Apr 2026 | Direct |
| Frazor Titus Edmondson III | ZLAB | American Depositary Shares | Options Exercise | 21.2% | 5,031 | 28,784 | 02 Apr 2026 | Direct | ||
| Frazor Titus Edmondson III | ZLAB | Restricted Share Units | Options Exercise | -50% | -5,031 | 5,032 | 02 Apr 2026 | Direct | ||
| Du Ying | ZLAB | American Depositary Shares | Sale | -0.49% | $113,695 | $20.39 | -5,576 | 1,125,279 | 02 Apr 2026 | Direct |
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 0.6% | 6,750 | 1,130,855 | 02 Apr 2026 | Direct | ||
| Du Ying | ZLAB | Restricted Share Units | Options Exercise | -33.3% | -6,750 | 13,500 | 02 Apr 2026 | Direct | ||
| Yajing Chen | ZLAB | American Depositary Shares | Sale | -13.8% | $106,008 | $20.39 | -5,199 | 32,558 | 02 Apr 2026 | Direct |
| Yajing Chen | ZLAB | American Depositary Shares | Options Exercise | 7.09% | 2,500 | 37,757 | 02 Apr 2026 | Direct | ||
| Yajing Chen | ZLAB | Restricted Share Units | Options Exercise | -50% | -2,500 | 2,500 | 02 Apr 2026 | Direct | ||
| Rafael Amado | ZLAB | American Depositary Shares | Sale | -14.2% | $202,065 | $20.39 | -9,910 | 59,761 | 02 Apr 2026 | Direct |
| Rafael Amado | ZLAB | American Depositary Shares | Options Exercise | 8.39% | 5,391 | 69,671 | 02 Apr 2026 | Direct | ||
| Rafael Amado | ZLAB | Restricted Share Units | Options Exercise | -50% | -5,391 | 5,391 | 02 Apr 2026 | Direct | ||
| Joshua L. Smiley | ZLAB | American Depositary Shares | Options Exercise | 35.2% | 32,062 | 123,088 | 01 Apr 2026 | Direct | ||
| Joshua L. Smiley | ZLAB | Restricted Share Units | Options Exercise | -33.3% | -32,062 | 64,125 | 01 Apr 2026 | Direct | ||
| Frazor Titus Edmondson III | ZLAB | American Depositary Shares | Options Exercise | 265.8% | 17,259 | 23,753 | 01 Apr 2026 | Direct | ||
| Frazor Titus Edmondson III | ZLAB | Restricted Share Units | Options Exercise | -100% | -17,259 | 0 | 01 Apr 2026 | Direct | ||
| Du Ying | ZLAB | American Depositary Shares | Options Exercise | 1.28% | 14,200 | 1,124,105 | 01 Apr 2026 | Direct | ||
| Du Ying | ZLAB | Restricted Share Units | Options Exercise | -100% | -14,200 | 0 | 01 Apr 2026 | Direct | ||
| Yajing Chen | ZLAB | American Depositary Shares | Options Exercise | 76.3% | 15,258 | 35,257 | 01 Apr 2026 | Direct | ||
| Yajing Chen | ZLAB | Restricted Share Units | Options Exercise | -91% | -15,258 | 1,500 | 01 Apr 2026 | Direct | ||
| Rafael Amado | ZLAB | American Depositary Shares | Options Exercise | 43.6% | 19,523 | 64,280 | 01 Apr 2026 | Direct | ||
| Rafael Amado | ZLAB | Restricted Share Units | Options Exercise | -33.3% | -19,523 | 39,046 | 01 Apr 2026 | Direct | ||
| Richard Gaynor | ZLAB | American Depositary Shares | Purchase | 3.15% | $32,733 | $18.91 | 1,731 | 56,630 | 17 Mar 2026 | Direct |
| Joshua L. Smiley | ZLAB | American Depositary Shares | Sale | -2.11% | $36,623 | $18.63 | -1,966 | 91,026 | 13 Mar 2026 | Direct |
| Frazor Titus Edmondson III | ZLAB | American Depositary Shares | Sale | -16.5% | $23,862 | $18.63 | -1,281 | 6,494 | 13 Mar 2026 | Direct |
| Yajing Chen | ZLAB | American Depositary Shares | Sale | -7.85% | $31,723 | $18.63 | -1,703 | 19,999 | 13 Mar 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.