Filing Details

Accession Number:
0001140361-18-023026
Form Type:
4
Zero Holdings:
No
Publication Time:
2018-05-11 15:33:00
Reporting Period:
2018-05-10
Accepted Time:
2018-05-11 15:33:00
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
1299504 C Dorothy Jenkins 2801 Post Oak Boulevard, Suite 600
Houston TX 77056
Yes No 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 2018-05-10 7,652 $10.41 54,730 No 4 M Direct
Common Stock Disposition 2018-05-10 52 $117.01 54,678 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 2018-05-10 7,652 $0.00 7,652 $10.41
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2018-08-15 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 92,010,554 Indirect TTWF LP & TTWFGP LLC
Footnotes
  1. Values and amounts reflect the results of a two-for-one stock split on March 18, 2014.
  2. The stock options are exercisable in four equal installments on August 15, 2009, 2010, 2011 and 2012.
  3. 92,010,554 shares of Issuer are held through TTWF LP, a Delaware limited partnership. Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWFGP LLC, a Delaware limited liability company that is the general partner of TTWF LP. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person shares investment and voting power with respect to the shares beneficially owned by TTWF LP. The reporting person disclaims beneficial ownership of the shares except to the extent of her pecuniary interest therein.