Filing Details

Accession Number:
0001140361-12-048953
Form Type:
4
Zero Holdings:
No
Publication Time:
2012-11-28 16:41:26
Reporting Period:
2012-11-26
Filing Date:
2012-11-28
Accepted Time:
2012-11-28 16:41:26
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
1299403 Albert Chao 2801 Post Oak Blvd.
Houston TX 77056
President & Ceo Yes Yes Yes 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 2012-11-26 35,400 $14.50 175,275 No 4 M Direct
Common Stock Acquisiton 2012-11-26 8,547 $27.22 183,822 No 4 M Direct
Common Stock Acquisiton 2012-11-26 4,514 $36.10 188,336 No 4 M Direct
Common Stock Acquisiton 2012-11-26 42,579 $14.24 230,915 No 4 M Direct
Common Stock Disposition 2012-11-26 30,699 $75.00 200,216 No 4 S Direct
Common Stock Disposition 2012-11-26 879 $75.02 199,337 No 4 S Direct
Common Stock Disposition 2012-11-26 21 $75.03 199,316 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.10 199,216 No 4 S Direct
Common Stock Disposition 2012-11-26 3,800 $75.30 195,416 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.35 195,316 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.40 195,216 No 4 S Direct
Common Stock Disposition 2012-11-26 900 $75.41 194,316 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.43 194,216 No 4 S Direct
Common Stock Disposition 2012-11-26 2,000 $75.50 192,216 No 4 S Direct
Common Stock Disposition 2012-11-26 600 $75.63 191,616 No 4 S Direct
Common Stock Disposition 2012-11-26 1,160 $75.63 190,456 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.66 190,356 No 4 S Direct
Common Stock Disposition 2012-11-26 210 $75.66 190,146 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.72 190,046 No 4 S Direct
Common Stock Disposition 2012-11-26 300 $75.73 189,746 No 4 S Direct
Common Stock Disposition 2012-11-26 400 $75.79 189,346 No 4 S Direct
Common Stock Disposition 2012-11-26 30 $75.80 189,316 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.83 189,216 No 4 S Direct
Common Stock Disposition 2012-11-26 4,314 $75.87 184,902 No 4 S Direct
Common Stock Disposition 2012-11-26 300 $75.88 184,602 No 4 S Direct
Common Stock Disposition 2012-11-26 100 $75.89 184,502 No 4 S Direct
Common Stock Disposition 2012-11-26 200 $75.92 184,302 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 M Direct
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
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 2012-11-26 35,400 $0.00 35,400 $14.50
Common Stock Employee Option (right to buy) Acquisiton 2012-11-26 8,547 $0.00 8,547 $27.22
Common Stock Employee Option (right to buy) Acquisiton 2012-11-26 4,514 $0.00 4,514 $36.10
Common Stock Employee Option (right to buy) Acquisiton 2012-11-26 42,579 $0.00 42,579 $14.24
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2007-08-16 2014-08-16 No 4 M Direct
0 2009-08-31 2015-08-31 No 4 M Direct
0 2010-03-15 2016-03-15 No 4 M Direct
77,946 2012-02-13 2019-02-13 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 20,000 Indirect By Mother
Common Stock 115,842 Indirect By Brother James Chao
Common Stock 46,005,277 Indirect TTWF LP & TTWFGP LLC Trusts
Footnotes
  1. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
  2. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.