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Filing Details

Accession Number:
0001140361-17-042927
Form Type:
4
Zero Holdings:
No
Publication Time:
2017-11-15 10:08:27
Reporting Period:
2017-11-13
Accepted Time:
2017-11-15 10:08:27
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
1551480 E. Lawrence Teel 2801 Post Oak Boulevard, Suite 600
Houston TX 77056
Evp, Olefins 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 2017-11-13 686 $45.70 2,290 No 4 M Direct
Common Stock Acquisiton 2017-11-13 3,940 $44.42 6,230 No 4 M Direct
Common Stock Acquisiton 2017-11-13 3,878 $68.09 10,108 No 4 M Direct
Common Stock Acquisiton 2017-11-13 3,408 $63.98 13,516 No 4 M Direct
Common Stock Disposition 2017-11-13 11,912 $93.99 1,604 No 4 S Direct
Common Stock Disposition 2017-11-13 800 $93.99 804 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
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Employee Option (right to buy) Disposition 2017-11-13 686 $0.00 686 $45.70
Common Stock Employee Option (right to buy) Disposition 2017-11-13 3,940 $0.00 3,940 $44.42
Common Stock Employee Option (right to buy) Disposition 2017-11-13 3,878 $0.00 3,878 $68.09
Common Stock Employee Option (right to buy) Disposition 2017-11-13 3,408 $0.00 3,408 $63.98
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2023-02-15 No 4 M Direct
8,001 2026-02-18 No 4 M Direct
1,998 2025-02-20 No 4 M Direct
0 2024-02-14 No 4 M Direct
Footnotes
  1. In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on November 13, 2017 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $93.91 to 94.41, 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 (1) to this Form 4.
  2. The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2014, 2015 and 2016
  3. The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019.
  4. The stock options are excercisable in three installments of 33%, 33% and 34% on February 20, 2016, 2017 and 2018.
  5. The stock options are excercisable in three installments of 33%, 33% and 34% on February 14, 2015, 2016 and 2017.