[Form 4] Westlake Corporation Insider Trading Activity

Rhea-AI Filing Summary

R. Bruce Northcutt, a director of Westlake Corporation (WLK), reported stock-unit activity on the issuer's Form 4. The Form records activity on 08/08/2025 and 08/09/2025 consisting of restricted stock units and common-stock entries that affect his holdings.

The filing shows 2,168 restricted stock units reported on 08/08/2025 and an additional 1,128 common-stock units reported on 08/09/2025. The restricted stock units convert one-for-one into common stock and are disclosed to vest on August 8, 2026. Following the reported transactions the form shows the reporting person directly beneficially owns 21,183 shares of Westlake common stock. One grant of 1,128 restricted stock units was originally granted on August 9, 2024 and noted as vesting on its first anniversary.

Insights

Securities Analyst

Insider received RSU grants and conversions, modestly changing direct holdings to 21,183 shares.

The Form 4 discloses two related events: a grant or report of 2,168 restricted stock units on 08/08/2025 and a reported common-stock entry of 1,128 on 08/09/2025. The filing explicitly states RSUs convert one-for-one into common stock and that the RSUs vest on August 8, 2026. The reporting person is identified as a director. From an investor-impact perspective these are routine compensation and conversion items that change insider holdings but do not, by themselves, indicate a material corporate event.

Corporate Governance Expert

Director compensation and vesting schedule disclosed; holdings updated but no material governance action reported.

The submission documents equity-based grants and a conversion related to a director, with 2,168 RSUs reported on 08/08/2025 and a 1,128 share-related entry on 08/09/2025. The disclosure clarifies RSUs convert on a one-for-one basis and vest on August 8, 2026, and that one tranche was originally granted on August 9, 2024. These items are consistent with standard board compensation and vesting disclosures; the filing updates insider ownership to 21,183 direct shares without indicating governance changes or material strategic actions.

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
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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 TX 77056

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
08/08/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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
Common Stock	08/09/2025		M		1,128	A	(1)	21,183	D

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)	08/08/2025		A		2,168		(2)	(2)	Common Stock	2,168	$0	2,168	D
Restricted Stock Units	(1)	08/09/2025		M			1,128	(3)	(3)	Common Stock	1,128	$0	0	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 8, 2026.

3. On August 9, 2024 the reporting person was granted 1,128 restricted stock units vesting on the first anniversary of the grant date.

	R. Bruce Northcutt by J Feng POA	08/11/2025
	** 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).
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FAQ

What transactions did R. Bruce Northcutt report for Westlake (WLK)?

The Form 4 reports 2,168 restricted stock units on 08/08/2025 and a 1,128 common-stock-related entry on 08/09/2025.

How many Westlake shares does Northcutt beneficially own after the reported transactions?

The filing shows the reporting person directly beneficially owns 21,183 shares of Westlake common stock following the reported transactions.

Do the restricted stock units convert to Westlake common stock and when do they vest?

Yes. The filing states the restricted stock units convert one-for-one into common stock and that they will vest on August 8, 2026.

What is the origin of the 1,128 restricted stock units mentioned in the filing?

The form notes that the 1,128 units were originally granted on August 9, 2024 and were disclosed as vesting on the first anniversary of that grant.

What is Northcutt's role at Westlake as stated in the filing?

The reporting person, NORTHCUTT R BRUCE, is identified in the filing as a Director of Westlake Corporation (WLK).