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Filing Details

Accession Number:
0001140361-13-013014
Form Type:
4
Zero Holdings:
No
Publication Time:
2013-03-18 18:35:12
Reporting Period:
2013-03-14
Filing Date:
2013-03-18
Accepted Time:
2013-03-18 17:35:12
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
1298632 R David Hansen 2801 Post Oak Blvd
Houston TX 77056
Sr Vp Adminstration 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 2013-03-14 2,979 $20.53 18,031 No 4 M Direct
Common Stock Acquisiton 2013-03-14 1,618 $14.24 19,649 No 4 M Direct
Common Stock Disposition 2013-03-14 2,000 $96.36 17,649 No 4 S Direct
Common Stock Disposition 2013-03-14 300 $96.36 17,349 No 4 S Direct
Common Stock Disposition 2013-03-14 100 $96.37 17,249 No 4 S Direct
Common Stock Disposition 2013-03-14 196 $96.37 17,053 No 4 S Direct
Common Stock Disposition 2013-03-14 200 $96.38 16,853 No 4 S Direct
Common Stock Disposition 2013-03-14 200 $96.43 16,653 No 4 S Direct
Common Stock Disposition 2013-03-14 100 $96.48 16,553 No 4 S Direct
Common Stock Disposition 2013-03-14 300 $96.48 16,253 No 4 S Direct
Common Stock Disposition 2013-03-14 100 $96.53 16,153 No 4 S Direct
Common Stock Disposition 2013-03-14 400 $96.53 15,753 No 4 S Direct
Common Stock Disposition 2013-03-14 1 $96.64 15,752 No 4 S Direct
Common Stock Disposition 2013-03-14 400 $96.64 15,352 No 4 S Direct
Common Stock Disposition 2013-03-14 200 $96.65 15,152 No 4 S Direct
Common Stock Disposition 2013-03-14 100 $96.66 15,052 No 4 S Direct
Common Stock Disposition 2013-03-14 1,000 $96.50 14,052 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 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) Disposition 2013-03-14 2,979 $0.00 2,979 $20.53
Common Stock Employee Option (right to buy) Disposition 2013-03-14 1,618 $0.00 1,618 $14.24
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2013-02-26 2020-02-26 No 4 M Direct
0 2012-02-13 2019-02-13 No 4 M Direct