Westlake SVP granted 1,961 RSUs

Westlake Corp senior vice president Brian John Powers reported a compensation-related equity award of 1,961 restricted stock units (RSUs), each representing a contingent right to receive one share of Westlake common stock.

Rhea-AI Filing Summary

Westlake Corp senior vice president Brian John Powers reported a compensation-related equity award of 1,961 restricted stock units (RSUs), each representing a contingent right to receive one share of Westlake common stock. All of these RSUs are scheduled to vest on April 2, 2029.

This filing reflects a grant/award acquisition rather than an open-market stock purchase or sale, and leaves Powers with a reported total of 1,961 RSUs following the transaction.

Insider Trade Summary

Grant/Award: 1,961 shares

Grant/Award 1 txn

Insider Powers Brian John

Role SVP, PEM Segment Head

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	1,961	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,961 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.
2. F2. All of the RSUs will vest on April 2, 2029.

Key Figures

RSUs granted: 1,961 units Underlying common shares: 1,961 shares RSU vesting date: April 2, 2029 +1 more

4 metrics

RSUs granted 1,961 units Restricted stock units awarded on April 2, 2026

Underlying common shares 1,961 shares Each RSU represents one share of common stock

RSU vesting date April 2, 2029 All granted RSUs vest on this date

Total RSUs after grant 1,961 units Holdings following the reported transaction

Key Terms

Restricted Stock Units, RSU, vest, contingent right

4 terms

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.

RSU financial

"Each restricted stock unit ("RSU") represents a contingent right"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

vest financial

"All of the RSUs will vest on April 2, 2029."

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.

contingent right financial

"represents a contingent right to recieve one share"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Westlake (WLK) report for Brian John Powers?

Westlake reported that SVP Brian John Powers received a grant of 1,961 restricted stock units. These RSUs are a form of equity compensation that can convert into the same number of common shares if vesting conditions are met by the stated future date.

How many restricted stock units did the Westlake SVP receive?

Brian John Powers was granted 1,961 restricted stock units. Each RSU represents a contingent right to receive one share of Westlake common stock, providing potential future ownership if all vesting requirements are satisfied over the award period.

When do Brian John Powers’ Westlake RSUs vest?

All of Brian John Powers’ 1,961 restricted stock units are scheduled to vest on April 2, 2029. Vesting on a single future date means the units convert into common stock only if he remains eligible through that date.

Is the Westlake Form 4 transaction a stock purchase or sale?

The Form 4 shows a grant of restricted stock units, not an open-market stock purchase or sale. It is classified as a compensation-related grant or award acquisition, with no reported cash transaction in the market for Westlake common shares.

What does each Westlake restricted stock unit represent for the SVP?

Each restricted stock unit represents a contingent right to receive one share of Westlake’s common stock. The rights only become actual shares if the units vest, which for this award is scheduled to occur on April 2, 2029.

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

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Accepted by SEC EDGAR 04/06/2026 - 08:02 AM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Powers Brian John

(Last) (First) (Middle)

2801 POST OAK BLVD., SUITE 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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, PEM Segment Head

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	04/02/2026		A		1,961		(2)	(2)	Common Stock	1,961	$0	1,961	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to recieve one share of the Issuer's common stock.

2. All of the RSUs will vest on April 2, 2029.

	Brian J. Powers, by J. Feng POA	04/06/2026
	** Signature of Reporting Person	Date
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)