Insider Trading & Ownership - Du Ying

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>>
Time period
Insider Trading Transactions for Du Ying
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
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
2025-04-01
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
2025-03-14
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
2025-03-10
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
2025-10-22
Zai Lab Ltd ZLAB Du Ying
Chairperson & CEO
96,389 $0 1,326,058
(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
2025-02-28
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
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
2024-12-11
Gift
2024-12-13
4:47 pm
N/A
N/A
Zai Lab Ltd ZLAB Du Ying
Chairperson & CEO
500,000 $0 494,117
(Direct)
View
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
2024-07-01
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
2024-06-28
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
2024-06-25
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
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
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
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
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
2023-06-23
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
2023-04-03
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
2023-03-06
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
2023-03-03
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
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
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
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
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
2022-01-05
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
2022-04-01
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
2022-06-25
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
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
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
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
(A) Indicate amendment filing.