Filing Details

Accession Number:
0001140361-11-026691
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-05-11 16:24:15
Reporting Period:
2011-05-09
Filing Date:
2011-05-11
Accepted Time:
2011-05-11 16:24:15
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
1298504 J George Mangieri 2801 Post Oak Blvd.
Houston TX 77056
Vp & Chief Accounting Officer 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 2011-05-09 7,489 $19.29 33,244 No 4 M Direct
Common Stock Disposition 2010-05-09 7,489 $60.25 25,755 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) Acquisiton 2011-05-09 7,489 $0.00 7,489 $19.29
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2011-02-15 2021-02-15 No 4 M Direct