Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-07-01 Exercise | 2025-07-03 4:07 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 18,000 | $0 | 590,962 (Direct) | View |
2025-06-27 Exercise | 2025-07-01 4:30 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 17,970 | $0 | 561,974 (Direct) | View |
2025-06-25 Exercise | 2025-06-27 4:15 pm | N/A N/A | Zai Lab Ltd | ZLAB | Edmondson Frazor Titus III Chief Legal Officer | 14,600 | $0 | 53,698 (Direct) | View |
2025-06-25 Exercise | 2025-06-27 4:15 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 58,800 | $0 | 573,782 (Direct) | View |
2025-06-25 Exercise | 2025-06-27 4:15 pm | N/A N/A | Zai Lab Ltd | ZLAB | Chen Yajing Chief Financial Officer | 6,250 | $0 | 27,254 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | WIRTH PETER Director | 10,831 | $0 | 393,750 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | Vounatsos Michel Director | 10,831 | $0 | 50,416 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | MOULDER LEON O JR Director | 10,831 | $0 | 72,602 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | Morrison Scott W Director | 10,831 | $0 | 34,533 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | GAYNOR RICHARD Director | 10,831 | $0 | 54,899 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:10 pm | N/A N/A | Zai Lab Ltd | ZLAB | DIEKMAN JOHN D Director | 10,831 | $0 | 99,769 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:10 pm | N/A N/A | Zai Lab Ltd | ZLAB | Lis William Director | 10,831 | $0 | 35,106 (Direct) | View |
2025-06-18 Option Award | 2025-06-23 4:10 pm | N/A N/A | Zai Lab Ltd | ZLAB | Leung Nisa Director | 10,831 | $0 | 73,926 (Direct) | View |
2025-05-13 Exercise | 2025-05-15 4:27 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 96,389 | $0.6 | 919,014 (Direct) | View |
2025-05-13 Exercise | 2025-05-15 4:27 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 96,389 | $0 | 919,014 (Direct) | View |
2025-05-09 Exercise | 2025-05-13 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 100,000 | $0.6 | 1,115,403 (Direct) | View |
2025-05-09 Exercise | 2025-05-13 4:48 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 100,000 | $0 | 1,115,403 (Direct) | View |
2025-04-03 Option Award | 2025-04-07 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Smiley Joshua L See Remarks | 7,145 | $0 | 81,635 (Direct) | View |
2025-04-03 Exercise | 2025-04-07 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Smiley Joshua L See Remarks | 7,145 | $0 | 81,635 (Direct) | View |
2025-04-03 Exercise | 2025-04-07 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Edmondson Frazor Titus III Chief Legal Officer | 5,032 | $0 | 40,438 (Direct) | View |
2025-04-03 Exercise | 2025-04-07 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 6,750 | $0 | 500,101 (Direct) | View |
2025-04-03 Exercise | 2025-04-07 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Chen Yajing Chief Financial Officer | 2,500 | $0 | 32,047 (Direct) | View |
2025-04-03 Exercise | 2025-04-07 4:48 pm | N/A N/A | Zai Lab Ltd | ZLAB | Amado Rafael See Remarks | 5,391 | $0 | 55,960 (Direct) | View |
2025-04-01 Exercise | 2025-04-03 5:07 pm | N/A N/A | Zai Lab Ltd | ZLAB | Edmondson Frazor Titus III Chief Legal Officer | 17,258 | $0 | 74,663 (Direct) | View |
2025-04-01 Exercise | 2025-04-03 5:07 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 14,200 | $0 | 501,046 (Direct) | View |
2025-04-01 Exercise | 2025-04-03 5:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Chen Yajing Chief Financial Officer | 15,257 | $0 | 69,745 (Direct) | View |
2025-04-01 Exercise | 2025-04-03 5:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Amado Rafael See Remarks | 19,523 | $0 | 101,385 (Direct) | View |
2025-04-01 Option Award | 2025-04-03 5:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Smiley Joshua L See Remarks | 32,062 | $0 | 159,741 (Direct) | View |
2025-04-01 Exercise | 2025-04-03 5:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Smiley Joshua L See Remarks | 32,062 | $0 | 159,741 (Direct) | View |
2025-03-14 Gift | 2025-03-18 5:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 26,463 | $0 | 467,654 (Direct) | View |
2025-03-12 Option Award | 2025-03-14 5:14 pm | N/A 2035-03-12 | Zai Lab Ltd | ZLAB | Amado Rafael See Remarks | 86,817 | $0 | 86,817 (Direct) | View |
2025-03-12 Option Award | 2025-03-14 5:13 pm | N/A 2035-03-12 | Zai Lab Ltd | ZLAB | Smiley Joshua L See Remarks | 104,180 | $0 | 104,180 (Direct) | View |
2025-03-12 Option Award | 2025-03-14 5:13 pm | N/A 2035-03-12 | Zai Lab Ltd | ZLAB | Edmondson Frazor Titus III Chief Legal Officer | 69,453 | $0 | 69,453 (Direct) | View |
2025-03-12 Option Award | 2025-03-14 5:13 pm | N/A 2035-03-12 | Zai Lab Ltd | ZLAB | Chen Yajing Chief Financial Officer | 69,453 | $0 | 69,453 (Direct) | View |
2025-03-10 Option Award | 2025-03-12 4:26 pm | N/A 2035-03-10 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 263,205 | $0 | 263,205 (Direct) | View |
2025-03-04 Exercise | 2025-03-06 4:20 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 96,389 | $0.6 | 1,326,058 (Direct) | View |
2025-03-04 Exercise | 2025-03-06 4:20 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 96,389 | $0 | 1,326,058 (Direct) | View |
2025-02-28 Exercise | 2025-03-04 5:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 100,000 | $0.6 | 1,522,447 (Direct) | View |
2025-02-28 Exercise | 2025-03-04 5:11 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 100,000 | $0 | 1,522,447 (Direct) | View |
2023-01-03 Tax Withholding | 2025-01-03 5:23 pm | N/A N/A | Zai Lab Ltd | ZLAB | Chen Kai-Xian Director | 2,644 | $30.7 | 39,525 (Direct) | View |