Thomas J. Janssens - Aug 29, 2023 Form 4 Insider Report for WESTLAKE CORP (WLK)

Role
SVP, Ops - PEM & Corp Logistic
Signature
Thomas J. Janssens by J. Feng POA
Stock symbol
WLK
Transactions as of
Aug 29, 2023
Transactions value $
-$100,199
Form type
4
Date filed
8/30/2023, 08:56 AM
Previous filing
May 16, 2023
Next filing
Feb 20, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WLK Common Stock Options Exercise $268K +2.49K +26.07% $107.75 12K Aug 29, 2023 Direct
transaction WLK Common Stock Options Exercise $148K +1.37K +11.4% $108.12 13.4K Aug 29, 2023 Direct
transaction WLK Common Stock Disposed to Issuer -$516K -3.86K -28.8% $133.87 9.53K Aug 29, 2023 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction WLK Employee Option (right to buy) Options Exercise $0 +2.49K $0.00* 0 Aug 29, 2023 Common Stock 2.49K $107.75 Direct F2
transaction WLK Employee Option (right to buy) Options Exercise $0 +1.37K +97.03% $0.00 2.78K Aug 29, 2023 Common Stock 1.37K $108.12 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $133.82 to $133.93, inclusive. The reporting person undertakes to provide to Westlake Corporation, any security holder of Westlake Corporation 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 16, 2019, 2020 and 2021, respectively.
F3 The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2023, 2024 and 2025, respectively.