Albert Chao - Feb 20, 2025 Form 4 Insider Report for WESTLAKE CORP (WLK)

Role
Executive Chairman, Director
Signature
Albert Chao by J. Feng, POA
Stock symbol
WLK
Transactions as of
Feb 20, 2025
Transactions value $
-$1,480,131
Form type
4
Date filed
2/24/2025, 02:10 PM
Previous filing
Feb 20, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WLK Common Stock Award $0 +33.5K +5.9% $0.00 600K Feb 20, 2025 Direct F1
transaction WLK Common Stock Tax liability -$1.48M -13.4K -2.23% $110.54 587K Feb 21, 2025 Direct F2, F3

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) Award $0 +37.2K $0.00 37.2K Feb 21, 2025 Common Stock 37.2K $110.15 Direct F4
transaction WLK Restricted Stock Units Award $0 +12.3K $0.00 12.3K Feb 21, 2025 Common Stock 12.3K Direct F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares of common stock that vested on February 20, 2025, upon the determination by the Compensation Committee of the Issuer's Board of Directors of the satisfaction of performance criteria underlying an award of performance stock units ("PSUs") granted to the Reporting Person on February 18, 2022, under the terms of the Issuer's 2013 Omnibus Incentive Plan.
F2 Shares otherwise issuable were witheld to satisfy tax obligations arising out of vesting of the Reporting Person's PSUs.
F3 Weighted average price. These shares were sold in multiple transactions at prices ranging from $110.54 to $110.73, inclusive. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.
F4 The stock options are excercisable in three installments of 33%, 33% and 34% on February 21, 2026, 2027 and 2028, respectively.
F5 Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.
F6 All of the RSUs will vest on February 21, 2028.