Insider Transactions Reported by 19 Insiders of Zai Lab Ltd

Symbol
ZLAB on Nasdaq
Location
Shanghai

Sponsored

Quick Takeaways

  • ZLAB - Zai Lab Ltd has 19 insiders with reported activity on this page.
  • Net insider value flow over the last year: -$21,988,679.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • Buy value: $321,833; sell value: $22,310,512.
  • Net share flow: -805,529.

Why This Matters

  • 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.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to selling over the last 12 months. Net value: -$21,988,679.

Buys

$321,833

Shares: 11,731

Insiders: 2

Sells

$22,310,512

Shares: 817,260

Insiders: 7

Net

-$21,988,679

Shares: -805,529

Insiders: -5

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 1,731 279,522 $32,733 $5,397,538 -$5,364,805
3-6 0 34,006 $0 $626,164 -$626,164
6-9 10,000 213,901 $289,100 $7,446,541 -$7,157,441
9-12 0 289,831 $0 $8,840,269 -$8,840,269

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 $23,625,893 -$17,891,623 -43% Mixed 06 Apr 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
Leon O Moulder 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 $810,953 -$1,143,418 -59% Mixed 06 Apr 2026
Scott W. Morrison Director $712,171 -$715,086 -50% 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 by the holder's primary source 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
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
RTW INVESTMENTS, LP
13D/G 13F
Company
6.3%
69,590,320
$1,258,888,889 +$844,379,694 31 Dec 2025
RA CAPITAL MANAGEMENT, L.P.
13D/G
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
Frazier Life Sciences Management, L.P.
13F
Company
0.17%
1,902,320
$33,556,925 31 Dec 2025
13F
Clearbridge Investments, LLC
13F
Company
0.16%
1,808,035
$31,893,740 31 Dec 2025
13F
UBS Group AG
13F
Company
0.16%
1,782,252
$31,438,925 31 Dec 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.15%
1,687,846
$29,773,604 31 Dec 2025
13F
FMR LLC
13F 13D/G
Company
3.9%
from 13D/G
1,440,406
$25,408,762 31 Dec 2025
BAMCO INC /NY/
13F
Company
0.13%
1,418,005
$25,013,608 31 Dec 2025
13F
Du Ying
3/4/5
Chairperson & CEO, Director
mixed-class rows
1,515,135
mixed-class rows
$23,625,893 -$17,891,623 06 Apr 2026
ADAR1 Capital Management, LLC
13F
Company
0.11%
1,246,520
$21,988,613 31 Dec 2025
13F
Rock Springs Capital Management LP
13F
Company
0.07%
811,546
$14,315,671 31 Dec 2025
13F
Fu Tao
3/4/5
President & COO, Director
class O/S missing
265,168
$13,303,479 28 Oct 2021
WELLINGTON MANAGEMENT GROUP LLP
13F 13D/G
Company
4.3%
from 13D/G
752,858
$13,280,417 31 Dec 2025
BlackRock, Inc.
13F
Company
0.06%
635,213
$11,205,157 31 Dec 2025
13F
PRICE T ROWE ASSOCIATES INC /MD/
13F
Company
0.05%
602,954
$10,637,000 31 Dec 2025
13F
C WorldWide Group Holding A/S
13F
Company
0.05%
510,000
$8,996,000 31 Dec 2025
13F
WIRTH PETER
3/4/5
Director
class O/S missing
393,750
$8,169,424 18 Jun 2025
B Group, Inc.
13F
Company
0.04%
400,000
$7,056,000 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.04%
388,769
$6,857,886 31 Dec 2025
13F
Legal & General Group Plc
13F
Company
0.04%
387,800
$6,842,649 31 Dec 2025
13F
JANE STREET GROUP, LLC
13F
Company
0.03%
382,062
$6,739,574 31 Dec 2025
13F
Walleye Capital LLC
13F
Company
0.03%
373,399
$6,586,758 31 Dec 2025
13F
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
Company
0.03%
299,844
$5,286,250 31 Dec 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.03%
293,703
$5,180,921 31 Dec 2025
13F
MORGAN STANLEY
13F
Company
0.03%
289,705
$5,110,397 31 Dec 2025
13F
NAN FUNG TRINITY (HK) Ltd
13F
Company
0.02%
269,975
$4,762,359 31 Dec 2025
13F
D. E. Shaw & Co., Inc.
13F
Company
0.02%
238,609
$4,209,063 31 Dec 2025
13F
MARSHALL WACE, LLP
13F
Company
0.02%
231,802
$4,088,987 31 Dec 2025
13F
Hennion & Walsh Asset Management, Inc.
13F
Company
0.02%
204,982
$3,615,882 31 Dec 2025
13F
XY Capital Ltd
13F
Company
0.02%
202,304
$3,568,643 31 Dec 2025
13F
SUPERSTRING CAPITAL MANAGEMENT LP
13F
Company
0.02%
196,853
$3,472,487 31 Dec 2025
13F
AMERIPRISE FINANCIAL INC
13F
Company
0.02%
181,133
$3,195,186 31 Dec 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.02%
173,946
$3,068,352 31 Dec 2025
13F
Campbell & CO Investment Adviser LLC
13F
Company
0.02%
170,117
$3,000,864 31 Dec 2025
13F
NEXTBio Capital Management LP
13F
Company
0.01%
163,362
$2,881,706 31 Dec 2025
13F
Joshua L. Smiley
3/4/5
President and Chief Operating Officer
mixed-class rows
246,584
mixed-class rows
$2,877,838 -$245,887 06 Apr 2026
ENVESTNET ASSET MANAGEMENT INC
13F
Company
0.01%
151,318
$2,669,246 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.01%
149,434
$2,636,016 31 Dec 2025
13F
STATE STREET CORP
13F
Company
0.01%
136,428
$2,406,590 31 Dec 2025
13F
Privium Fund Management B.V.
13F
Company
0.01%
132,189
$2,331,814 31 Dec 2025
13F
Alan B. Sandler
3/4/5
Head of Global Dev., Oncology
class O/S missing
73,000
$1,906,906 25 Jun 2022
Qube Research & Technologies Ltd
13F
Company
0.01%
107,651
$1,898,964 31 Dec 2025
13F
John D. Diekman
3/4/5
Director
class O/S missing
99,769
$1,897,457 18 Jun 2025
Mirae Asset Global Investments Co., Ltd.
13F
Company
0.01%
103,118
$1,819,001 31 Dec 2025
13F
PRINCIPAL FINANCIAL GROUP INC
13F
Company
0.01%
101,782
$1,795,434 31 Dec 2025
13F
Harald Reinhart
3/4/5
President and Head of Global Development for Neuroscience, Autoimmune and Infectious Diseases
mixed-class rows
206,440
mixed-class rows
$1,774,330 25 Jun 2024
DCF Advisers, LLC
13F
Company
0.01%
97,500
$1,719,900 31 Dec 2025
13F
NORTHERN TRUST CORP
13F
Company
0.01%
96,442
$1,701,237 31 Dec 2025
13F

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
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
Rafael Amado ZLAB American Depositary Shares Sale -6.2% $55,083 $18.63 -2,957 44,757 13 Mar 2026 Direct
Joshua L. Smiley ZLAB American Depositary Shares Options Exercise 7.38% 6,388 92,992 12 Mar 2026 Direct
Joshua L. Smiley ZLAB Restricted Share Units Options Exercise -25% -6,388 19,165 12 Mar 2026 Direct
Frazor Titus Edmondson III ZLAB American Depositary Shares Options Exercise 121.1% 4,258 7,775 12 Mar 2026 Direct
Frazor Titus Edmondson III ZLAB Restricted Share Units Options Exercise -25% -4,258 12,777 12 Mar 2026 Direct
Yajing Chen ZLAB American Depositary Shares Options Exercise 24.4% 4,258 21,702 12 Mar 2026 Direct
Yajing Chen ZLAB Restricted Share Units Options Exercise -25% -4,258 12,777 12 Mar 2026 Direct
Rafael Amado ZLAB American Depositary Shares Options Exercise 12.6% 5,323 47,714 12 Mar 2026 Direct
Rafael Amado ZLAB Restricted Share Units Options Exercise -25% -5,323 15,971 12 Mar 2026 Direct
Du Ying ZLAB Restricted Share Units Award 32,419 32,419 11 Mar 2026 Direct
Du Ying ZLAB Stock Options (Right to Buy) Award 353,430 353,430 11 Mar 2026 Direct
Du Ying ZLAB American Depositary Shares Sale -0.1% $20,363 $19.08 -1,067 1,109,905 11 Mar 2026 Direct
Du Ying ZLAB American Depositary Shares Tax liability -9.54% -116,936 1,108,317 10 Mar 2026 Direct
Du Ying ZLAB American Depositary Shares Options Exercise 27.4% 263,747 1,225,253 10 Mar 2026 Direct
Du Ying ZLAB Restricted Share Units Options Exercise -25% -2,655 7,965 10 Mar 2026 Direct
Du Ying ZLAB Stock Options (Right to Buy) Options Exercise -36.2% -261,092 461,092 10 Mar 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.