Filing Details

Accession Number:
0001140361-11-012681
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-02-28 16:46:44
Reporting Period:
2011-02-25
Filing Date:
2011-02-28
Accepted Time:
2011-02-28 16:46:44
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
1298551 L Jeffrey Taylor 2801 Post Oak Blvd.
Houston TX 77056
Sr Vp, Polyethylene 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 2011-02-25 6,028 $14.24 29,224 No 4 M Direct
Common Stock Acquisiton 2011-02-25 3,267 $19.29 32,491 No 4 M Direct
Common Stock Disposition 2011-02-25 7 $46.45 32,484 No 4 S Direct
Common Stock Disposition 2011-02-25 300 $46.43 32,184 No 4 S Direct
Common Stock Disposition 2011-02-25 1 $46.42 32,183 No 4 S Direct
Common Stock Disposition 2011-02-25 300 $43.41 31,883 No 4 M Direct
Common Stock Disposition 2011-02-25 300 $46.41 31,583 No 4 S Direct
Common Stock Disposition 2011-02-25 200 $46.40 31,383 No 4 S Direct
Common Stock Disposition 2011-02-25 1,101 $46.39 30,282 No 4 S Direct
Common Stock Disposition 2011-02-25 300 $46.38 29,982 No 4 S Direct
Common Stock Disposition 2011-02-25 400 $46.38 29,582 No 4 S Direct
Common Stock Disposition 2011-02-25 701 $46.37 28,881 No 4 S Direct
Common Stock Disposition 2011-02-25 2,091 $46.37 26,790 No 4 S Direct
Common Stock Disposition 2011-02-25 1,500 $46.36 25,290 No 4 S Direct
Common Stock Disposition 2011-02-25 2,094 $46.35 23,196 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 M Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S Direct
No 4 S 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) Acquisiton 2011-02-25 6,028 $0.00 6,028 $14.24
Common Stock Employee Option (right to buy) Acquisiton 2011-02-25 3,267 $0.00 3,267 $19.29
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
6,028 2011-02-13 2019-02-13 No 4 M Direct
0 2011-02-15 2018-02-15 No 4 M Direct