Robert F. Buesinger - Mar 10, 2022 Form 4 Insider Report for WESTLAKE CORP (WLK)

Role
EVP, HIP, IT & Digital
Signature
Robert F. Buesinger by J. Feng POA
Stock symbol
WLK
Transactions as of
Mar 10, 2022
Transactions value $
-$962,319
Form type
4
Date filed
3/14/2022, 08:52 AM
Previous filing
Mar 10, 2022
Next filing
Mar 16, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WLK Common Stock Options Exercise $1.17M +14.7K +99.02% $79.83 29.5K Mar 10, 2022 Direct
transaction WLK Common Stock Options Exercise $517K +7.86K +26.62% $65.81 37.4K Mar 10, 2022 Direct
transaction WLK Common Stock Sale -$2.65M -22.6K -60.32% $117.61 14.8K Mar 10, 2022 Direct

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 -14.7K -100% $0.00* 0 Mar 10, 2022 Common Stock 14.7K $79.83 Direct F1
transaction WLK Employee Option (right to buy) Options Exercise $0 -7.86K -49.25% $0.00 8.1K Mar 10, 2022 Common Stock 7.86K $65.81 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock options were excercisable in three installments of 33%, 33% and 34% on February 15, 2020, 2021 and 2022, respectively.
F2 The stock options were excercisable in three installments of 33%, 33% and 34% on February 14, 2021, 2022 and 2023, respectively.