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Filing Details

Accession Number:
0001140361-18-010337
Form Type:
4
Zero Holdings:
No
Publication Time:
2018-02-27 11:24:20
Reporting Period:
2018-02-26
Accepted Time:
2018-02-27 11:24:20
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 2018-02-26 1,998 $68.09 4,120 No 4 M Direct
Common Stock Acquisiton 2018-02-26 3,412 $61.87 7,532 No 4 M Direct
Common Stock Acquisiton 2018-02-26 3,941 $44.42 11,473 No 4 M Direct
Common Stock Disposition 2018-02-26 9,351 $111.86 2,122 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 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 2018-02-26 1,998 $0.00 1,998 $68.09
Common Stock Employee Option (right to buy) Disposition 2018-02-26 3,412 $0.00 3,412 $61.87
Common Stock Employee Option (right to buy) Disposition 2018-02-26 3,941 $0.00 3,941 $44.42
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2025-02-20 No 4 M Direct
6,928 2027-02-17 No 4 M Direct
4,060 2026-02-18 No 4 M Direct
Footnotes
  1. The stock options are excercisable in three installments of 33%, 33% and 34% on February 20, 2016, 2017 and 2018.
  2. The stock options are excercisable in three installments of 33%, 33% and 34% on February 17, 2018, 2019 and 2020.
  3. The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019.