Form 4 Tracker
Zai Lab Ltd
ZLAB

22 insider filings · Latest: May 26, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
May 18, 2026May 19 4:18 PMYing DuDirector, Chairperson & CEO
Sale
50,000$19.00$949.8K1,122,626(D)

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May 15, 2026May 19 4:18 PMYing DuDirector, Chairperson & CEO
Sale
50,000$20.74$1.0M1,122,626(D)

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May 14, 2026May 15 4:46 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
3,517$20.19$71.0K19,849(D)

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May 14, 2026May 15 4:45 PMYing DuDirector, Chairperson & CEO
Sale
50,000$20.09$1.0M1,122,626(D)

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May 13, 2026May 15 4:45 PMYing DuDirector, Chairperson & CEO
Sale
50,000$19.97$998.5K1,122,626(D)

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Apr 6, 2026Apr 8 7:35 PMJoshua L SmileyPresident and Chief Operating Officer
Sale
3,017$20.45$61.7K117,602(D)

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Apr 6, 2026Apr 8 7:34 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
1,224$20.45$25.0K23,366(D)

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Apr 6, 2026Apr 8 7:34 PMYing DuDirector, Chairperson & CEO
Sale
2,653$20.45$54.2K1,122,626(D)

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Apr 6, 2026Apr 8 7:33 PMYajing ChenChief Financial Officer
Sale
853$20.45$17.4K31,705(D)

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Apr 6, 2026Apr 8 7:33 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Sale
2,739$20.45$56.0K57,022(D)

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Apr 2, 2026Apr 3 5:59 PMJoshua L SmileyPresident and Chief Operating Officer
Sale
9,614$20.39$196.0K120,619(D)

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Apr 2, 2026Apr 3 5:58 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
4,194$20.39$85.5K24,590(D)

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Apr 2, 2026Apr 3 5:58 PMYing DuDirector, Chairperson & CEO
Sale
5,576$20.39$113.7K1,125,279(D)

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Apr 2, 2026Apr 3 5:57 PMYajing ChenChief Financial Officer
Sale
5,199$20.39$106.0K32,558(D)

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Apr 2, 2026Apr 3 5:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Sale
9,910$20.39$202.1K59,761(D)

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Mar 17, 2026Mar 19 4:05 PMRichard GaynorDirector
Purchase
1,731$18.91$32.7K56,630(D)

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Mar 13, 2026Mar 16 4:09 PMJoshua L SmileyPresident and Chief Operating Officer
Sale
1,966$18.63$36.6K91,026(D)

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Mar 13, 2026Mar 16 4:08 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
1,281$18.63$23.9K6,494(D)

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Mar 13, 2026Mar 16 4:08 PMYajing ChenChief Financial Officer
Sale
1,703$18.63$31.7K19,999(D)

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Mar 13, 2026Mar 16 4:07 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Sale
2,957$18.63$55.1K44,757(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
May 11, 2026Jun 8 4:29 PMYizhe WangOperating Partner
Grant/Award
196,107$20.3259,288(D)

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May 19, 2026May 21 4:19 PMYing DuDirector, Chairperson & CEO
Option Exercise
261,092$1.740(D)

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May 18, 2026May 19 4:18 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74261,092(D)

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May 15, 2026May 19 4:18 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74311,092(D)

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May 14, 2026May 15 4:45 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74361,092(D)

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May 13, 2026May 15 4:45 PMYing DuDirector, Chairperson & CEO
Option Exercise
50,000$1.74411,092(D)

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Apr 2, 2026Apr 3 5:59 PMJoshua L SmileyPresident and Chief Operating Officer
Option Exercise
7,1457,145(D)

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Apr 1, 2026Apr 3 5:59 PMJoshua L SmileyPresident and Chief Operating Officer
Option Exercise
32,06264,125(D)

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Mar 4, 2026Apr 3 5:59 PMJoshua L SmileyPresident and Chief Operating Officer
Grant/Award
17,88717,887(D)

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Apr 2, 2026Apr 3 5:58 PMFrazor Titus Edmondson IIIChief Legal Officer
Option Exercise
5,0315,032(D)

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Apr 1, 2026Apr 3 5:58 PMFrazor Titus Edmondson IIIChief Legal Officer
Option Exercise
17,25927,516(D)

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Mar 4, 2026Apr 3 5:58 PMFrazor Titus Edmondson IIIChief Legal Officer
Grant/Award
11,92411,924(D)

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Apr 2, 2026Apr 3 5:58 PMYing DuDirector, Chairperson & CEO
Option Exercise
6,75013,500(D)

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Apr 1, 2026Apr 3 5:58 PMYing DuDirector, Chairperson & CEO
Option Exercise
14,2000(D)

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Mar 4, 2026Apr 3 5:58 PMYing DuDirector, Chairperson & CEO
Grant/Award
25,57925,579(D)

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Apr 2, 2026Apr 3 5:57 PMYajing ChenChief Financial Officer
Option Exercise
2,5002,500(D)

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Apr 1, 2026Apr 3 5:57 PMYajing ChenChief Financial Officer
Option Exercise
15,25827,516(D)

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Mar 4, 2026Apr 3 5:57 PMYajing ChenChief Financial Officer
Grant/Award
11,92411,924(D)

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Apr 2, 2026Apr 3 5:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Option Exercise
5,3915,391(D)

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Apr 1, 2026Apr 3 5:57 PMRafael AmadoPresident, Head of Global Oncology Research and Development
Option Exercise
19,52339,046(D)

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