The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Porter Derrell since 2018.
The trader's CIK number is 1706400.
At the time of the last reporting, Porter Derrell was the SVP, Head of Global Commercial of Atara Biotherapeutics, Inc.. (stock ticker symbol ATRA).
Also see all insider trading activities at Atara Biotherapeutics, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2019 | ATRA | 0 | $0 | 5,909 | $236,360 | 4,000 | $57,200 |
| 2018 | ATRA | 0 | $0 | 17,878 | $797,347 | 16,334 | $233,576 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2019-02-15 | ATRA | Option Ex | 4,000 | 14.30 | 57,200 |
| 2019-02-15 | ATRA | Sale | 5,909 | 40.00 | 236,360 |
| 2018-05-15 | ATRA | Option Ex | 16,334 | 14.30 | 233,576 |
| 2018-05-15 | ATRA | Sale | 16,334 | 45.02 | 735,356 |
| 2018-05-08 | ATRA | Sale | 1,544 | 40.15 | 61,991 |
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 Porter Derrell (SVP, Head of Global Commercial of Atara Biotherapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.