Form 4 Tracker
Zai Lab Ltd
ZLAB

44 insider filings · Latest: Aug 12, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
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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Apr 2, 2026Apr 3 9:59 PMJoshua L SmileyPresident and Chief Operating Officer
Sale
9,614$20.39$196.0K120,619(D)

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Apr 2, 2026Apr 3 9:58 PMFrazor Titus Edmondson IIIChief Legal Officer
Sale
4,194$20.39$85.5K24,590(D)

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Apr 2, 2026Apr 3 9:58 PMYing DuDirector, Chairperson & CEO
Sale
5,576$20.39$113.7K1,125,279(D)

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Apr 2, 2026Apr 3 9:57 PMYajing ChenChief Financial Officer
Sale
5,199$20.39$106.0K32,558(D)

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

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
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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