Teel Lawrence E. 4

4 · WESTLAKE CHEMICAL CORP · Filed Feb 26, 2021

Form 4

Period: 2021-02-25

Vice President, Olefins

Transactions

Exercise/Conversion
Common Stock
2021-02-25$44.42/sh+4,060$180,345→ 13,865 total
Exercise/Conversion
Common Stock
2021-02-25$65.81/sh+7,861$517,352→ 21,726 total
Exercise/Conversion
Common Stock
2021-02-25$79.83/sh+9,698$774,191→ 31,424 total
Exercise/Conversion
Common Stock
2021-02-25$61.87/sh+6,928$428,601→ 38,352 total
Sale
Common Stock
2021-02-25$86.93/sh−28,547$2,481,505→ 9,805 total
Sale
Common Stock
2021-02-25$87.14/sh−4,902$427,160→ 4,903 total
Exercise/Conversion
Employee Option (right to buy)
2020-02-25−4,060→ 0 total
Exercise: $44.42Exp: 2026-02-18→ Common Stock (4,060 underlying)
Exercise/Conversion
Employee Option (right to buy)
2020-02-25−7,861→ 15,961 total
Exercise: $65.81Exp: 2030-02-14→ Common Stock (7,861 underlying)
Exercise/Conversion
Employee Option (right to buy)
2020-02-25−9,698→ 4,996 total
Exercise: $79.83Exp: 2029-02-15→ Common Stock (9,698 underlying)
Exercise/Conversion
Employee Option (right to buy)
2020-02-25−6,928→ 0 total
Exercise: $61.87Exp: 2027-02-17→ Common Stock (6,928 underlying)

Footnotes (5)

[F1]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $86.85 to $87.38, 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.
[F2]The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019.
[F3]The stock options are excercisable in three installments of 33%, 33% and 34% on February 14, 2021, 2022 and 2023.
[F4]The stock options are excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022.
[F5]The stock options are excercisable in three installments of 33%, 33% and 34% on February 17, 2018, 2019 and 2020.

Documents

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