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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2021-09-07 Sale | 2021-09-08 8:48 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 29,785 | $150.73 | $4,489,523 | 1,008,653 (Direct) | View |
| 2021-09-01 Sale | 2021-09-03 6:43 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 81,326 | $145.8 | $11,857,247 | 1,927,603 (Direct) | View |
| 2021-08-02 Sale | 2021-08-03 8:15 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $144.99 | $16,110,015 | 2,008,929 (Direct) | View |
| 2021-07-01 Sale | 2021-07-02 6:02 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $175.61 | $19,511,750 | 2,120,040 (Direct) | View |
| 2021-06-01 Sale | 2021-06-02 9:00 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $176.3 | $19,589,250 | 2,231,151 (Direct) | View |
| 2021-05-03 Sale | 2021-05-04 8:37 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $160.05 | $17,782,976 | 786,430 (Direct) | View |
| 2021-04-05 Sale | 2021-04-07 7:55 pm | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,112 | $128.19 | $14,243,682 | 897,541 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-08-13 Gift | 2024-08-19 4:46 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 87,793 | $0 | 994,117 (Direct) | View |
| 2024-06-28 Exercise | 2024-07-02 4:30 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 17,970 | $0 | 1,207,820 (Direct) | View |
| 2024-07-01 Option Award | 2024-07-02 4:30 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 72,000 | $0 | 1,207,820 (Direct) | View |
| 2024-06-25 Exercise | 2024-06-27 4:08 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 58,800 | $0 | 1,260,433 (Direct) | View |
| 2024-04-03 Option Award | 2024-04-05 5:47 pm | N/A 2034-04-03 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 560,065 | $0 | 560,065 (Direct) | View |
| 2024-04-01 Exercise | 2024-04-03 9:44 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 14,200 | $0 | 1,147,172 (Direct) | View |
| 2024-04-01 Exercise | 2024-04-03 9:44 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 14,200 | $16.72 | 1,147,172 (Direct) | View |
| 2024-03-13 Gift | 2024-03-15 8:49 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 33,891 | $0 | 1,099,559 (Direct) | View |
| 2024-01-01 Exercise | 2024-01-03 7:25 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 31,587 | $0 | 1,165,037 (Direct) | View |
| 2024-01-01 Option Award | 2024-01-03 7:25 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 31,587 | $0 | 1,165,037 (Direct) | View |
| 2023-06-29 Option Award | 2023-06-30 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 71,880 | $26.45 | 1,110,243 (Direct) | View |
| 2023-06-23 Exercise | 2023-06-26 4:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 58,800 | $0 | 1,255,451 (Direct) | View |
| 2023-06-23 Tax Withholding | 2023-06-26 4:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 23,138 | $25.3 | 1,255,451 (Direct) | View |
| 2023-06-23 Exercise | 2023-06-26 4:06 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 58,800 | $25.3 | 1,255,451 (Direct) | View |
| 2023-04-03 Option Award | 2023-04-05 4:06 pm | N/A 2033-04-03 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 377,391 | $0 | 377,391 (Direct) | View |
| 2023-03-31 Exercise | 2023-04-03 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 14,200 | $0 | 1,056,101 (Direct) | View |
| 2023-03-31 Tax Withholding | 2023-04-03 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 5,588 | $33.26 | 1,056,101 (Direct) | View |
| 2023-03-31 Exercise | 2023-04-03 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 14,200 | $33.26 | 1,056,101 (Direct) | View |
| 2023-03-06 Exercise(A) | 2023-03-08 4:11 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 300,000 | $0 | 1,583,254 (Direct) | View |
| 2023-03-03 Gift(A) | 2023-03-08 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 426 | $0 | 1,583,254 (Direct) | View |
| 2023-03-06 Exercise(A) | 2023-03-08 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 300,000 | $0.6 | 1,583,254 (Direct) | View |
| 2023-03-06 Tax Withholding(A) | 2023-03-08 4:11 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 120,906 | $40.55 | 1,583,254 (Direct) | View |
| 2023-03-06 Tax Withholding | 2023-03-07 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 120,906 | $0 | 1,583,254 (Direct) | View |
| 2023-03-06 Exercise | 2023-03-07 4:05 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 300,000 | $0 | 1,583,254 (Direct) | View |
| 2023-03-03 Gift | 2023-03-07 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 21,990 | $0 | 1,583,254 (Direct) | View |
| 2021-12-31 Ownership | 2022-12-09 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 8,000 | $0 | 1,000,653 (Direct) | View |
| 2022-04-01 Tax Withholding | 2022-12-09 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 828 | $45.47 | 859,450 (Direct) | View |
| 2022-01-05 Gift | 2022-12-09 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 143,775 | $0 | 859,450 (Direct) | View |
| 2022-06-25 Option Award | 2022-06-27 9:50 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairperson & CEO | 235,200 | $0 | 235,200 (Direct) | View |
| 2022-04-01 Exercise | 2022-04-05 4:05 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 3,400 | $0 | 1,361,653 (Direct) | View |
| 2022-04-01 Option Award | 2022-04-05 4:05 pm | N/A 2032-04-01 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 336,000 | $0 | 1,361,653 (Direct) | View |
| 2021-09-01 Exercise | 2021-09-03 6:43 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0 | 1,927,603 (Direct) | View |
| 2021-09-01 Exercise | 2021-09-03 6:43 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0.6 | 1,927,603 (Direct) | View |
| 2021-08-02 Exercise | 2021-08-03 8:15 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0 | 2,008,929 (Direct) | View |
| 2021-08-02 Exercise | 2021-08-03 8:15 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0.6 | 2,008,929 (Direct) | View |
| 2021-07-01 Exercise | 2021-07-02 6:02 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0 | 2,120,040 (Direct) | View |
| 2021-07-01 Exercise | 2021-07-02 6:02 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0.6 | 2,120,040 (Direct) | View |
| 2021-06-01 Exercise | 2021-06-02 9:00 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0 | 2,231,151 (Direct) | View |
| 2021-06-01 Exercise | 2021-06-02 9:00 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0.6 | 2,231,151 (Direct) | View |
| 2021-05-01 Exercise(A) | 2021-06-02 8:58 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0 | 3,462,026 (Direct) | View |
| 2021-05-01 Exercise(A) | 2021-06-02 8:58 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,111 | $0.6 | 3,462,026 (Direct) | View |
| 2021-04-05 Exercise(A) | 2021-06-02 8:57 pm | N/A 2025-10-22 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,112 | $0 | 3,573,138 (Direct) | View |
| 2021-04-05 Exercise(A) | 2021-06-02 8:57 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 111,112 | $0.6 | 3,573,138 (Direct) | View |
| 2021-04-01 Gift | 2021-04-07 7:55 pm | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 16,000 | $0 | 897,541 (Direct) | View |
| 2021-04-01 Option Award | 2021-04-05 9:46 pm | N/A 2031-04-01 | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 104,000 | $0 | 104,000 (Direct) | View |
Ownership | 2021-01-04 07:32 am | N/A N/A | Zai Lab Ltd | ZLAB | Du Ying Chairwoman & CEO | 0 | $0 | 5,007,045 (Direct) | View |