The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) by Mattina Michael J. since 2016.
The trader's CIK number is 1638948.
At the time of the last reporting, Mattina Michael J. was the Sr. VP, Polyethylene of Westlake Chemical Corp. (stock ticker symbol WLK).
Also see all insider trading activities at Westlake Chemical Corp.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2017 | WLK | 0 | $0 | 0 | $0 | 660 | $0 |
| 2016 | WLK | 0 | $0 | 18,274 | $982,775 | 19,166 | $557,685 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2017-02-14 | WLK | Option Ex | 660 | .00 | 0 |
| 2016-11-15 | WLK | Sale | 18,274 | 53.78 | 982,775 |
| 2016-11-15 | WLK | Option Ex | 18,274 | 30.52 | 557,685 |
| 2016-02-15 | WLK | Option Ex | 892 | .00 | 0 |
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 Mattina Michael J. (Sr. VP, Polyethylene of Westlake Chemical Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.