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

Q: How many Restricted Stock Units were granted to the WLK director in this Form 4?

The WLK director was granted 2,184 Restricted Stock Units . After vesting, each RSU can convert into one share of WESTLAKE CORP common stock, aligning the director’s compensation more closely with long-term shareholder value.

Q: When do the newly granted WLK Restricted Stock Units vest?

All of the 2,184 Restricted Stock Units granted will vest on August 14, 2027 . Vesting means the director earns the right to receive the underlying common shares, subject to the grant’s terms and continued service conditions.

Q: Is there a purchase price for the WLK director’s Restricted Stock Unit grant?

The reported per-unit price for the 2,184 Restricted Stock Units is $0.0000 . This indicates the units were granted as part of compensation, rather than purchased in an open-market transaction, and will convert into common shares upon vesting.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

WESTLAKE CORP (WLK) director R Bruce Northcutt received a grant of 2,184 Restricted Stock Units. These RSUs convert into an equal number of the company’s common shares on a one-for-one basis and will fully vest on August 14, 2027, increasing his directly held equity-based compensation.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider NORTHCUTT R BRUCE

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)

F1. Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
F2. All of the restricted stock units will vest on August 14, 2027.

Key Figures

Restricted Stock Units granted: 2,184 units RSU conversion ratio: 1.0 RSU vesting date: August 14, 2027 +2 more

5 metrics

Restricted Stock Units granted 2,184 units Equity award to director R Bruce Northcutt on August 14, 2026

RSU conversion ratio 1.0 Restricted stock units convert into the issuer's common stock on a one-for-one basis

RSU vesting date August 14, 2027 All of the restricted stock units will vest on this date

Price per RSU $0.0000 Reported transaction price per Restricted Stock Unit for the grant

RSUs owned after transaction 2,184 units Total Restricted Stock Units directly held following the reported grant

Key Terms

Restricted Stock Units, one-for-one basis, vest

3 terms

Restricted Stock Units financial

"Restricted Stock Units convert into the Issuer's common stock on a one-for-one basis"

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.

one-for-one basis financial

"Restricted stock units convert into the Issuer's common stock on a one-for-one basis"

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.

FAQ

What insider transaction did WESTLAKE CORP (WLK) report for R Bruce Northcutt?

WESTLAKE CORP reported that director R Bruce Northcutt received 2,184 Restricted Stock Units. These units represent a grant of equity-based compensation, which can convert into an equal number of common shares once the vesting conditions are met.

How many Restricted Stock Units were granted to the WLK director in this Form 4?

The WLK director was granted 2,184 Restricted Stock Units. After vesting, each RSU can convert into one share of WESTLAKE CORP common stock, aligning the director’s compensation more closely with long-term shareholder value.

When do the newly granted WLK Restricted Stock Units vest?

All of the 2,184 Restricted Stock Units granted will vest on August 14, 2027. Vesting means the director earns the right to receive the underlying common shares, subject to the grant’s terms and continued service conditions.

What is the conversion ratio of the WLK Restricted Stock Units reported in this filing?

The Restricted Stock Units convert into WESTLAKE CORP common stock on a one-for-one basis. This means each of the 2,184 RSUs can become one share of common stock once the vesting date and any related conditions are satisfied.

Is there a purchase price for the WLK director’s Restricted Stock Unit grant?

The reported per-unit price for the 2,184 Restricted Stock Units is $0.0000. This indicates the units were granted as part of compensation, rather than purchased in an open-market transaction, and will convert into common shares upon vesting.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/17/2026 - 12:27 PM Accepted by SEC EDGAR 08/17/2026 - 12:27 PM

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^*

NORTHCUTT R BRUCE

(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)

X	Director	10% 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)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	08/14/2026		A		2,184		⁽²⁾	⁽²⁾	Common Stock	2,184	$0	2,184	D

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.

	Bruce Northcutt by J Feng POA	08/17/2026
	** 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)

Source: View Original Filing on SEC EDGAR