Filing Details

Accession Number:
0001140361-17-043827
Form Type:
4
Zero Holdings:
No
Publication Time:
2017-11-27 12:33:02
Reporting Period:
2017-11-22
Accepted Time:
2017-11-27 12:33:02
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
1299505 James Chao 2801 Post Oak Boulevard, Suite 600
Houston TX 77056
Chairman 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 2017-11-22 10,109 $45.70 129,078 No 4 M Direct
Common Stock Disposition 2017-11-22 10,109 $95.20 118,969 No 4 S Direct
Common Stock Acquisiton 2017-11-24 10,109 $45.70 129,078 No 4 M Direct
Common Stock Acquisiton 2017-11-24 23,917 $68.09 152,995 No 4 M Direct
Common Stock Acquisiton 2017-11-24 32,000 $63.98 184,995 No 4 M Direct
Common Stock Disposition 2017-11-24 66,026 $94.61 118,969 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 M Direct
No 4 M Direct
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) Disposition 2017-11-22 10,109 $0.00 10,109 $45.70
Common Stock Employee Option (right to buy) Disposition 2017-11-24 10,109 $0.00 10,109 $45.70
Common Stock Employee Option (right to buy) Disposition 2017-11-24 23,917 $0.00 23,917 $68.09
Common Stock Employee Option (right to buy) Disposition 2017-11-24 32,000 $0.00 32,000 $63.98
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
10,109 2023-02-15 No 4 M Direct
0 2023-02-15 No 4 M Direct
12,321 2025-02-20 No 4 M Direct
0 2024-02-14 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $95.00 to $95.40, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
  2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $94.11 to $94.90, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote
  3. The stock options are excercisable in three equal installments on February 15, 2014, 2015 and 2016.
  4. The stock options are excercisable in three equal installments on February 20, 2016, 2017 and 2018.
  5. The stock options are excercisable in three equal installments on February 14, 2015, 2016 and 2017.
  6. 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.