Filing Details

Accession Number:
0001140361-10-044529
Form Type:
4
Zero Holdings:
No
Publication Time:
2010-11-09 16:18:23
Reporting Period:
2010-11-05
Filing Date:
2010-11-09
Accepted Time:
2010-11-09 16:18:23
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
1368378 Jr Marion Donald Condon 2801 Post Oak Blvd.
Suite 600
Houston TX 77056
Sr Vp, Olefins & Corp Bus Dev 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 2010-11-05 5,518 $14.24 26,932 No 4 M Direct
Common Stock Disposition 2010-11-05 918 $35.90 26,014 No 4 S Direct
Common Stock Disposition 2010-11-05 1,494 $35.94 24,520 No 4 S Direct
Common Stock Disposition 2010-11-05 800 $35.95 23,720 No 4 S Direct
Common Stock Disposition 2010-11-05 800 $35.96 22,920 No 4 S Direct
Common Stock Disposition 2010-11-05 400 $35.98 22,520 No 4 S Direct
Common Stock Disposition 2010-11-05 500 $36.00 22,020 No 4 S Direct
Common Stock Disposition 2010-11-05 200 $36.04 21,820 No 4 S Direct
Common Stock Disposition 2010-11-05 400 $36.05 21,420 No 4 S Direct
Common Stock Disposition 2010-11-05 6 $36.07 21,414 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
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 2010-11-05 5,518 $0.00 5,518 $14.24
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
11,037 2010-02-13 2019-02-13 No 4 M Direct