Filing Details

Accession Number:
0001140361-12-028052
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-05-31 17:03:41
Reporting Period:
2012-05-29
Filing Date:
2012-05-31
Accepted Time:
2012-05-31 17:03:41
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 2012-05-29 7,678 $31.61 27,725 No 4 M Direct
Common Stock Disposition 2012-05-29 600 $56.82 27,125 No 4 S Direct
Common Stock Disposition 2012-05-29 200 $56.80 26,925 No 4 S Direct
Common Stock Disposition 2012-05-29 1,100 $56.79 25,825 No 4 S Direct
Common Stock Disposition 2012-05-29 1,700 $56.77 24,125 No 4 S Direct
Common Stock Disposition 2012-05-29 2,096 $56.76 22,029 No 4 S Direct
Common Stock Disposition 2012-05-29 300 $56.75 21,729 No 4 S Direct
Common Stock Disposition 2012-05-29 466 $57.74 21,263 No 4 S Direct
Common Stock Disposition 2012-05-29 400 $56.73 20,863 No 4 S Direct
Common Stock Disposition 2012-05-29 600 $56.72 20,263 No 4 S Direct
Common Stock Disposition 2012-05-29 216 $56.71 20,047 No 4 S Direct
Common Stock Disposition 2012-05-29 501 $56.76 19,546 No 4 S Direct
Common Stock Disposition 2012-05-29 300 $56.75 19,246 No 4 S Direct
Common Stock Disposition 2012-05-29 200 $56.74 19,046 No 4 S Direct
Common Stock Disposition 2012-05-29 400 $56.72 18,646 No 4 S Direct
Common Stock Disposition 2012-05-29 700 $56.70 17,946 No 4 S Direct
Common Stock Disposition 2012-05-29 800 $56.69 17,146 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
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 2012-05-29 7,678 $0.00 7,678 $31.61
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
7,679 2012-02-23 2017-02-23 No 4 M Direct