WESTLAKE CHEMICAL CORP 4

4 · WESTLAKE CHEMICAL CORP · Filed Feb 28, 2014

Form 4

Period: 2014-02-27

Sr VP, Polyethylene

Transactions

Exercise/Conversion
Common Stock
2014-02-27$45.83/sh+1,295$59,350→ 13,023 total
Exercise/Conversion
Common Stock
2014-02-27$60.10/sh+1,555$93,463→ 14,578 total
Exercise/Conversion
Common Stock
2014-02-27$91.39/sh+1,006$91,943→ 15,584 total
Sale
Common Stock
2014-02-27$132.62/sh−4,314$572,114→ 11,270 total
Exercise/Conversion
Employee Option (right to buy)
2014-02-27−1,295→ 0 total
Exercise: $45.83Exp: 2021-02-18→ Common Stock (1,295 underlying)
Exercise/Conversion
Employee Option (right to buy)
2014-02-27−1,555→ 1,556 total
Exercise: $60.10Exp: 2022-02-17→ Common Stock (1,555 underlying)
Exercise/Conversion
Employee Option (right to buy)
2014-02-27−1,006→ 2,014 total
Exercise: $91.39Exp: 2023-02-15→ Common Stock (1,006 underlying)

Footnotes (4)

[F1]The stock options are exercisable in three installments of 33%, 33% and 34% on February 18, 2012, 2013 and 2014, respectively.
[F2]The stock options are exercisable in three installments of 33%, 33% and 34% on February 17, 2013, 2014 and 2015, respectively.
[F3]The stock options are exercisable in three installments of 33%, 33% and 34% on February 15, 2014, 2015 and 2016, respectively.
[F4]In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on February 27, 2014 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $132.38 to $132.78, inclusive. The reporting person undertakes to provide to Westlake Chemical Corporation, any security holder of Westlake Chemical Corporation or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (4) to this Form 4.

Documents

1 file