STOCK TITAN

Westlake (NYSE: WLK) awards director Sabat 2,184 RSUs vesting in 2027

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Form Type
4

Rhea-AI Filing Summary

WESTLAKE CORP director Carolyn Chao Sabat reported an equity compensation grant of 2,184 Restricted Stock Units. The RSUs were acquired at a stated price of $0.00 per unit as a grant and will convert into an equal number of shares of Common Stock on a one-for-one basis. All of these RSUs are scheduled to vest on August 14, 2027, at which point they will settle in common shares. Following this grant, Sabat holds 2,184 RSUs directly.

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Insider Sabat Carolyn Chao
Role Director
Type Security Shares Price Value
Grant/Award Restricted Stock Units F1, F2 2,184 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 2,184 shares (Direct)
Footnotes (2)
  1. F1. Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
  2. F2. All of the restricted stock units will vest on August 14, 2027.
RSUs granted 2,184 Restricted Stock Units Equity award to director Carolyn Chao Sabat on August 14, 2026
Transaction price per RSU $0.00 per unit Grant, award, or other acquisition of RSUs
RSUs following transaction 2,184 Restricted Stock Units Total Restricted Stock Units held directly after the grant
Underlying common shares 2,184 shares of Common Stock RSUs convert into common stock on a one-for-one basis
Vesting date August 14, 2027 All of the restricted stock units will vest on this date
Restricted Stock Units financial
"security_title: Restricted Stock Units"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
vest financial
"All of the restricted stock units will vest on August 14, 2027."
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
one-for-one basis financial
"Restricted stock units convert into the Issuer's common stock on a one-for-one basis."
Common Stock financial
"underlying_security_title: Common Stock"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

What insider transaction did WESTLAKE CORP (WLK) report for Carolyn Chao Sabat?

WESTLAKE CORP reported that director Carolyn Chao Sabat received a grant of 2,184 Restricted Stock Units (RSUs). These RSUs are a form of equity compensation that will settle in common stock once they vest on the specified future date.

How many Restricted Stock Units did Carolyn Chao Sabat receive from WLK?

Carolyn Chao Sabat received 2,184 Restricted Stock Units from WESTLAKE CORP. These RSUs represent the right to receive 2,184 shares of Common Stock on a one-for-one basis once the units vest according to the grant terms.

When do Carolyn Chao Sabat’s WLK Restricted Stock Units vest?

All of Carolyn Chao Sabat’s 2,184 Restricted Stock Units are scheduled to vest on August 14, 2027. On that date, the RSUs will convert into an equal number of WESTLAKE CORP common shares, assuming the applicable vesting conditions are satisfied.

What is the conversion rate of Carolyn Chao Sabat’s WLK Restricted Stock Units?

Each of Carolyn Chao Sabat’s Restricted Stock Units converts into one share of WESTLAKE CORP common stock. The filing states that the restricted stock units convert into the issuer's common stock on a one-for-one basis, aligning RSU count and share delivery.

What is the reported price per unit for Carolyn Chao Sabat’s WLK RSU grant?

The RSU grant to Carolyn Chao Sabat is reported at a transaction price of $0.00 per unit. This reflects that the 2,184 Restricted Stock Units were received as a compensation grant rather than purchased in an open-market transaction for cash.

How many WESTLAKE CORP RSUs does Carolyn Chao Sabat hold after this transaction?

After this transaction, Carolyn Chao Sabat is reported to hold 2,184 Restricted Stock Units directly. These units are all subject to vesting, with 100% scheduled to vest on August 14, 2027, and will then convert into common stock on a one-for-one basis.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Sabat Carolyn Chao

(Last)(First)(Middle)
2801 POST OAK BLVD., STE. 600

(Street)
HOUSTON TEXAS 77056

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
WESTLAKE CORP [ WLK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)08/14/2026A2,184 (2) (2)Common Stock2,184$02,184D
Explanation of Responses:
1. Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
2. All of the restricted stock units will vest on August 14, 2027.
Carolyn Chao Sabat by J Feng POA08/17/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)