- Corporate Officers - L
- Lis William
Insider Trading History of Lis William
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Lis William since 2015.
This trader's CIK number is 1574558.
At the time of last reporting, Lis William was the Officer of Zai Lab Ltd. (stock ticker symbol ZLAB).
Also see all insider trading activities at Zai Lab Ltd.
Note that in the past
Lis William also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Portola Pharmaceuticals Inc (PTLA) by Lis William
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | PTLA | 0 | $0 | 5,113 | $231,158 | 35,000 | $0 |
| 2017 | PTLA | 0 | $0 | 276,049 | $15,263,155 | 269,299 | $2,234,880 |
| 2016 | PTLA | 0 | $0 | 5,675 | $135,405 | 0 | $0 |
| 2015 | PTLA | 0 | $0 | 180,000 | $7,243,764 | 180,000 | $1,252,475 |
Yearly summary of insider trading at Zai Lab Ltd (ZLAB) by Lis William
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | ZLAB | 0 | $0 | 28,814 | $987,444 | 0 | $0 |
| 2024 | ZLAB | 0 | $0 | 10,397 | $183,787 | 0 | $0 |
| 2023 | ZLAB | 0 | $0 | 5,434 | $208,176 | 0 | $0 |
| 2022 | ZLAB | 0 | $0 | 1,926 | $102,848 | 0 | $0 |
Yearly summary of insider trading at Jasper Therapeutics, Inc. (JSPR) by Lis William
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | JSPR | 0 | $0 | 16,465 | $19,018 | 0 | $0 |
| 2022 | JSPR | 0 | $0 | 49,486 | $101,445 | 0 | $0 |
Insider trading activities at 3 companies by Lis William:
1. Portola Pharmaceuticals Inc (PTLA)
2. Zai Lab Ltd (ZLAB)
3. Jasper Therapeutics, Inc. (JSPR)
Table 1. Insider trading of Portola Pharmaceuticals Inc (PTLA) by Lis William
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-07-28 | PTLA | Option Ex | 35,000 | .00 | 0 |
| 2018-06-06 | PTLA | Sale | 5,113 | 45.21 | 231,158 |
| 2017-06-27 | PTLA | Option Ex | 255,149 | 8.26 | 2,107,530 |
| 2017-06-28 | PTLA | Option Ex | 14,150 | 9.00 | 127,350 |
| 2017-06-27 | PTLA | Sale | 255,149 | 55.80 | 14,236,548 |
| 2017-06-28 | PTLA | Sale | 14,150 | 55.35 | 783,202 |
| 2017-04-11 | PTLA | Sale | 6,750 | 36.06 | 243,405 |
| 2016-05-02 | PTLA | Sale | 5,675 | 23.86 | 135,405 |
| 2015-07-15 | PTLA | Option Ex | 50,000 | 8.50 | 425,000 |
| 2015-07-15 | PTLA | Sale | 50,000 | 50.00 | 2,500,000 |
| 2015-07-02 | PTLA | Option Ex | 15,000 | 7.00 | 105,000 |
| 2015-07-02 | PTLA | Sale | 15,000 | 45.60 | 684,045 |
| 2015-07-01 | PTLA | Option Ex | 15,000 | 7.00 | 105,000 |
| 2015-06-30 | PTLA | Option Ex | 15,000 | 7.00 | 105,000 |
| 2015-07-01 | PTLA | Sale | 15,000 | 45.80 | 687,045 |
| 2015-06-30 | PTLA | Sale | 15,000 | 44.38 | 665,670 |
| 2015-04-30 | PTLA | Sale | 45,000 | 35.89 | 1,615,050 |
| 2015-04-30 | PTLA | Option Ex | 45,000 | 7.00 | 315,000 |
| 2015-01-20 | PTLA | Option Ex | 20,000 | 5.10 | 102,000 |
| 2015-01-20 | PTLA | Sale | 20,000 | 27.56 | 551,260 |
| 2015-01-15 | PTLA | Option Ex | 6,524 | 4.10 | 26,748 |
| 2015-01-16 | PTLA | Option Ex | 13,476 | 5.10 | 68,727 |
| 2015-01-15 | PTLA | Sale | 6,524 | 26.78 | 174,686 |
| 2015-01-16 | PTLA | Sale | 13,476 | 27.16 | 366,008 |
Table 2. Insider trading of Zai Lab Ltd (ZLAB) by Lis William
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-06-20 | ZLAB | Sale | 13,814 | 35.67 | 492,745 |
| 2025-02-28 | ZLAB | Sale | 15,000 | 32.98 | 494,699 |
| 2024-07-01 | ZLAB | Sale | 10,397 | 17.68 | 183,787 |
| 2023-03-03 | ZLAB | Sale | 5,434 | 38.31 | 208,176 |
| 2022-01-20 | ZLAB | Sale | 1,926 | 53.40 | 102,848 |
Table 3. Insider trading of Jasper Therapeutics, Inc. (JSPR) by Lis William
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-10-13 | JSPR | Sale | 7,965 | .85 | 6,778 |
| 2023-04-13 | JSPR | Sale | 8,500 | 1.44 | 12,240 |
| 2022-06-24 | JSPR | Sale | 24,743 | 2.02 | 50,030 |
| 2022-06-27 | JSPR | Sale | 24,743 | 2.08 | 51,415 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Lis William
(Officer of Zai Lab Ltd at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.