Form 4 Tracker
Zai Lab Ltd
ZLAB

27 insider filings · Latest: May 26, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
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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May 18, 2026May 18 3:34 PMDu Ying
Proposed Sale
50,000$19.52$976.0K

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May 14, 2026May 15 8:46 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
3,517$20.19$71.0K19,849(D)

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May 14, 2026May 15 8:45 PMYing DuDirector, Chairperson & CEO
Sale
50,000$20.09$1.0M1,122,626(D)

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May 13, 2026May 15 8:45 PMYing DuDirector, Chairperson & CEO
Sale
50,000$19.97$998.5K1,122,626(D)

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May 15, 2026May 15 1:49 PMDu Ying
Proposed Sale
50,000$20.46$1.0M

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May 14, 2026May 14 8:17 PMDu Ying
Proposed Sale
50,000$20.09$1.0M

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May 14, 2026May 14 1:50 PMEdmondson Frazor Titus III
Proposed Sale
3,517$20.19$71.0K

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May 13, 2026May 13 6:06 PMDu Ying
Proposed Sale
50,000$19.20$960.0K

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Apr 6, 2026Apr 8 11:35 PMJoshua L SmileyPresident and Chief Operating Officer
Sale
3,017$20.45$61.7K117,602(D)

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Apr 6, 2026Apr 8 11:34 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
1,224$20.45$25.0K23,366(D)

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Apr 6, 2026Apr 8 11:34 PMYing DuDirector, Chairperson & CEO
Sale
2,653$20.45$54.2K1,122,626(D)

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Apr 6, 2026Apr 8 11:33 PMYajing ChenChief Financial Officer
Sale
853$20.45$17.4K31,705(D)

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Apr 6, 2026Apr 8 11:33 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Sale
2,739$20.45$56.0K57,022(D)

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Apr 6, 2026Apr 6 7:26 PMSmiley Joshua L
Proposed Sale
3,017$20.45$61.7K

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Apr 6, 2026Apr 6 7:21 PMDu Ying
Proposed Sale
2,653$20.45$54.2K

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Apr 6, 2026Apr 6 7:15 PMEdmondson Frazor Titus III
Proposed Sale
1,224$20.45$25.0K

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Apr 6, 2026Apr 6 7:11 PMAmado Rafael
Proposed Sale
2,739$20.45$56.0K

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Apr 6, 2026Apr 6 7:04 PMChen Yajing
Proposed Sale
853$20.45$17.4K

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Mar 4, 2026Apr 3 9:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Grant/Award
14,90514,905(D)

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Mar 12, 2026Mar 16 8:09 PMJoshua L SmileyPresident and Chief Operating Officer
Option Exercise
6,38819,165(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
4,25812,777(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
4,25812,777(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
5,32315,971(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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Mar 9, 2026Mar 10 8:08 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74722,184(D)

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Mar 6, 2026Mar 10 8:08 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74772,184(D)

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Mar 5, 2026Mar 6 9:25 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74822,184(D)

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Mar 4, 2026Mar 6 9:25 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74872,184(D)

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