Filing Details

Accession Number:
0001140361-13-022564
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-05-23 17:53:28
Reporting Period:
2013-05-21
Filing Date:
2013-05-23
Accepted Time:
2013-05-23 17:53:28
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1262823 Westlake Chemical Corp WLK Industrial Organic Chemicals (2860) 760346924
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1298645 Stephen Wallace 2801 Post Oak Blvd.
Houston TX 77056
Vp, General Counsel, Secretary No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2013-05-21 9,092 $19.29 34,255 No 4 M Direct
Common Stock Disposition 2013-05-21 9,092 $94.02 25,163 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Employee Option (right to buy) Disposition 2013-05-21 9,092 $0.00 9,092 $19.29
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2011-02-15 2018-02-15 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 200 Indirect By Wife
Footnotes
  1. In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on May 21, 2013 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $93.920 to $94.125, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. 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 (1) to this Form 4.