Filing Details

Accession Number:
0001140361-13-020102
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-05-10 16:51:12
Reporting Period:
2013-05-08
Filing Date:
2013-05-10
Accepted Time:
2013-05-10 16:51:12
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 2013-05-08 2,594 $27.22 27,757 No 4 M Direct
Common Stock Acquisiton 2013-05-08 7,678 $31.61 35,435 No 4 M Direct
Common Stock Acquisiton 2013-05-08 3,585 $31.61 39,020 No 4 M Direct
Common Stock Disposition 2013-05-08 13,857 $89.80 25,163 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
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 2013-05-08 2,594 $0.00 2,594 $27.22
Common Stock Employee Option (right to buy) Disposition 2013-05-08 7,678 $0.00 7,678 $31.61
Common Stock Employee Option (right to buy) Disposition 2013-05-08 3,585 $0.00 3,585 $31.61
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2009-08-31 2015-08-31 No 4 M Direct
7,679 2012-02-23 2017-02-23 No 4 M Direct
0 2010-02-23 2017-02-23 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 200 Indirect By Wife