Form 4 Tracker
Zai Lab Ltd
ZLAB

47 insider filings · Latest: Oct 1, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 19, 2026Aug 21 8:16 PMYajing ChenChief Financial Officer
Sale
260$27.00$7.0K35,635(D)

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Aug 20, 2026Aug 20 8:20 PMSmiley Joshua L
Proposed Sale
98,653$26.18$2.6M—

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Aug 19, 2026Aug 19 5:51 PMChen Yajing
Proposed Sale
260$27.00$7.0K—

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Aug 12, 2026Aug 13 8:15 PMWilliam LisDirector
Sale
8,506$25.00$212.7K41,931(D)

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Aug 11, 2026Aug 13 8:15 PMYajing ChenChief Financial Officer
Sale
619$25.00$15.5K35,072(D)

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Aug 12, 2026Aug 12 2:42 PMLis William
Proposed Sale
8,506$25.00$212.7K—

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Aug 11, 2026Aug 11 8:22 PMChen Yajing
Proposed Sale
619$25.00$15.5K—

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Jul 1, 2026Jul 6 8:14 PMRichard GaynorDirector
Purchase
1,736$19.05$33.1K80,737(D)

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Jun 30, 2026Jul 1 8:24 PMYing DuDirector, Chairperson & CEO
Sale
7,026$18.53$130.2K1,203,784(D)

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Jun 30, 2026Jun 30 7:13 PMDu Ying
Proposed Sale
7,026$18.53$130.2K—

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Jun 26, 2026Jun 29 8:18 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
4,103$17.46$71.6K30,346(D)

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Jun 26, 2026Jun 29 8:17 PMYing DuDirector, Chairperson & CEO
Sale
24,543$17.46$428.5K1,192,840(D)

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Jun 26, 2026Jun 29 8:17 PMYajing ChenChief Financial Officer
Sale
2,264$17.46$39.5K35,691(D)

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Jun 26, 2026Jun 26 7:38 PMChen Yajing
Proposed Sale
2,264$17.46$39.5K—

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Jun 26, 2026Jun 26 7:18 PMEdmondson Frazor Titus III
Proposed Sale
4,103$17.46$71.6K—

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Jun 26, 2026Jun 26 7:12 PMDu Ying
Proposed Sale
24,543$17.46$428.6K—

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Jun 22, 2026Jun 24 8:05 PMWilliam LisDirector
Sale
7,040$18.09$127.4K50,437(D)

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Jun 22, 2026Jun 22 2:10 PMLis William
Proposed Sale
7,040$18.09$127.4K—

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May 18, 2026May 19 8:18 PMYing DuDirector, Chairperson & CEO
Sale
50,000$19.00$949.8K1,122,626(D)

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May 15, 2026May 19 8:18 PMYing DuDirector, Chairperson & CEO
Sale
50,000$20.74$1.0M1,122,626(D)

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Page 1 of 7

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 4, 2026Apr 3 9:58 PMFrazor Titus Edmondson IIIChief Legal Officer
Grant/Award
11,924—11,924(D)

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Apr 2, 2026Apr 3 9:58 PMYing DuDirector, Chairperson & CEO
Option Exercise
6,750—13,500(D)

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Apr 1, 2026Apr 3 9:58 PMYing DuDirector, Chairperson & CEO
Option Exercise
14,200—0(D)

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Mar 4, 2026Apr 3 9:58 PMYing DuDirector, Chairperson & CEO
Grant/Award
25,579—25,579(D)

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Apr 2, 2026Apr 3 9:57 PMYajing ChenChief Financial Officer
Option Exercise
2,500—2,500(D)

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Apr 1, 2026Apr 3 9:57 PMYajing ChenChief Financial Officer
Option Exercise
15,258—27,516(D)

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Mar 4, 2026Apr 3 9:57 PMYajing ChenChief Financial Officer
Grant/Award
11,924—11,924(D)

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Apr 2, 2026Apr 3 9:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Option Exercise
5,391—5,391(D)

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Apr 1, 2026Apr 3 9:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Option Exercise
19,523—39,046(D)

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Mar 4, 2026Apr 3 9:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Grant/Award
14,905—14,905(D)

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Mar 12, 2026Mar 16 8:09 PMJoshua L SmileyPresident and Chief Operating Officer
Option Exercise
6,388—19,165(D)

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Mar 4, 2026Mar 16 8:09 PMJoshua L SmileyPresident and Chief Operating Officer
Grant/Award
137,733$19.2733,783(D)

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Mar 12, 2026Mar 16 8:08 PMFrazor Titus Edmondson IIIChief Legal Officer
Option Exercise
4,258—12,777(D)

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Mar 4, 2026Mar 16 8:08 PMFrazor Titus Edmondson IIIChief Legal Officer
Grant/Award
110,187$19.2727,027(D)

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Mar 12, 2026Mar 16 8:08 PMYajing ChenChief Financial Officer
Option Exercise
4,258—12,777(D)

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Mar 4, 2026Mar 16 8:08 PMYajing ChenChief Financial Officer
Grant/Award
110,187$19.2727,027(D)

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Mar 12, 2026Mar 16 8:07 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Option Exercise
5,323—15,971(D)

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Mar 4, 2026Mar 16 8:07 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Grant/Award
137,733$19.2733,783(D)

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Mar 11, 2026Mar 16 8:06 PMYing DuDirector, Chairperson & CEO
Grant/Award
385,849$19.3432,419(D)

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Mar 10, 2026Mar 12 8:12 PMYing DuDirector, Chairperson & CEO
Option Exercise
263,747$1.747,965(D)

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