- Corporate Officers - D
- Diekman John D
Insider Trading History of Diekman John D
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Diekman John D since 2007.
This trader's CIK number is 1240357.
At the time of last reporting, Diekman John D 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
DIEKMAN JOHN D also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Combinatorx, Inc (EPRS) by Diekman John D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | EPRS | 400,000 | $2,000,000 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Viveve Medical, Inc. (PLCSD) by Diekman John D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2014 | PLCSD | 5,215,664 | $2,764,301 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Affymetrix Inc (AFFX) by Diekman John D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2011 | AFFX | 0 | $0 | 20,000 | $145,000 | 0 | $0 |
| 2009 | AFFX | 0 | $0 | 15,000 | $141,600 | 0 | $0 |
| 2007 | AFFX | 0 | $0 | 15,000 | $438,750 | 37,252 | $542,463 |
Yearly summary of insider trading at Zai Lab Ltd (ZLAB) by Diekman John D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | ZLAB | 0 | $0 | 1,000 | $50,170 | 0 | $0 |
| 2021 | ZLAB | 0 | $0 | 3,000 | $394,770 | 0 | $0 |
Yearly summary of insider trading at Ideaya Biosciences, Inc. (IDYA) by Diekman John D
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2019 | IDYA | 250,000 | $2,500,000 | 0 | $0 | 0 | $0 |
Insider trading activities at 5 companies by Diekman John D:
1. Combinatorx, Inc (EPRS)
2. Viveve Medical, Inc. (PLCSD)
3. Affymetrix Inc (AFFX)
4. Zai Lab Ltd (ZLAB)
5. Ideaya Biosciences, Inc. (IDYA)
Table 1. Insider trading of Combinatorx, Inc (EPRS) by Diekman John D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-02-04 | EPRS | Buy | 400,000 | 5.00 | 2,000,000 |
Table 2. Insider trading of Viveve Medical, Inc. (PLCSD) by Diekman John D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2014-09-23 | PLCSD | Buy | 5,215,664 | .53 | 2,764,301 |
Table 3. Insider trading of Affymetrix Inc (AFFX) by Diekman John D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2011-06-30 | AFFX | Sale | 10,000 | 8.00 | 80,000 |
| 2011-06-02 | AFFX | Sale | 5,000 | 7.00 | 35,000 |
| 2011-05-06 | AFFX | Sale | 5,000 | 6.00 | 30,000 |
| 2009-10-09 | AFFX | Sale | 5,000 | 9.90 | 49,500 |
| 2009-09-17 | AFFX | Sale | 5,000 | 9.00 | 45,000 |
| 2009-08-04 | AFFX | Sale | 5,000 | 9.42 | 47,100 |
| 2007-03-21 | AFFX | Sale | 10,000 | 30.00 | 300,000 |
| 2007-02-08 | AFFX | Sale | 5,000 | 27.75 | 138,750 |
| 2007-02-01 | AFFX | Option Ex | 37,252 | 14.56 | 542,463 |
Table 4. Insider trading of Zai Lab Ltd (ZLAB) by Diekman John D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-02-04 | ZLAB | Sale | 1,000 | 50.17 | 50,170 |
| 2021-11-05 | ZLAB | Sale | 1,000 | 91.65 | 91,650 |
| 2021-08-05 | ZLAB | Sale | 1,000 | 149.50 | 149,500 |
| 2021-05-05 | ZLAB | Sale | 1,000 | 153.62 | 153,620 |
Table 5. Insider trading of Ideaya Biosciences, Inc. (IDYA) by Diekman John D
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2019-05-28 | IDYA | Buy | 250,000 | 10.00 | 2,500,000 |
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 Diekman John D
(Officer of Zai Lab Ltd at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.