Insider Stock Trading History of Mattina Michael J.


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Mattina Michael J. since year 2005. The trader's CIK number is 1638948. At the time of this reporting, Mattina Michael J. is the Sr. VP, Polyethylene of Westlake Chemical Corp . (stock ticker symbol WLK). See this page for all insider trading activities at Westlake Chemical Corp .


Stock purchases, sales, and option exercises reported by insider Mattina Michael J. since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-02-14 WLK Westlake Chemical Corp Option Ex 660 .00 0
2016-11-15 WLK Westlake Chemical Corp Sale 18,274 53.78 982,775
2016-11-15 WLK Westlake Chemical Corp Option Ex 18,274 30.52 557,685
2016-02-15 WLK Westlake Chemical Corp 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.