Westlake accounting chief reports no insider trades

Rhea-AI Filing Summary

WESTLAKE CORP (WLK) filed an initial insider ownership report for Tommy Darby, who serves as Vice President and Chief Accounting Officer. The Form 3 identifies Darby as an officer of the company and reports no insider transactions or derivative positions in Westlake Corp securities in this filing.

Key Figures

Buy transactions: 0 transactions Sell transactions: 0 transactions Derivative transactions: 0 transactions

3 metrics

Buy transactions 0 transactions buyCount in the Form 3 transaction summary for WESTLAKE CORP

Sell transactions 0 transactions sellCount in the Form 3 transaction summary for WESTLAKE CORP

Derivative transactions 0 transactions derivativeTransactionCount and exerciseCount in the Form 3 transaction summary

FAQ

What does this Form 3 filing for WLK disclose about Tommy Darby?

The filing identifies Tommy Darby as an officer of WESTLAKE CORP, serving as Vice President and Chief Accounting Officer, and reports no insider transactions or derivative positions in this Form 3.

Does the WLK Form 3 show any insider buying or selling by Tommy Darby?

No. The Form 3 shows no reported purchases or sales of WESTLAKE CORP securities by Tommy Darby, with buyCount 0 and sellCount 0 in the transaction summary.

Are there any derivative security positions reported for Tommy Darby in WLK?

No. The derivative section is empty, and the transaction summary shows exerciseCount 0 and derivativeTransactionCount 0, indicating no reported option or other derivative activity in this filing.

Does this WLK Form 3 indicate any gifts or restructurings of Tommy Darby’s holdings?

No. The transaction summary lists giftCount 0 and restructuringCount 0, so there are no reported gifts or entity restructurings involving WESTLAKE CORP securities in this Form 3.

Is there any Rule 10b5-1 trading plan information in this WLK Form 3?

No. The document-level Rule 10b5-1 indicator is null, and there are no transactions or footnote descriptions referencing a trading plan in this Form 3.

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

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Available on EDGAR 08/31/2026 - 05:31 PM Accepted by SEC EDGAR 08/31/2026 - 05:30 PM Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
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hours per response:			0.5

1. Name and Address of Reporting Person^*

Darby Tommy

(Last) (First) (Middle)

5444 WESTHEIMER, SUITE 101

(Street)

HOUSTON TEXAS 77056

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/31/2026

3. Issuer Name and Ticker or Trading Symbol
WESTLAKE CORP [ WLK ]

3a. Foreign Trading Symbol

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

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP and CAO

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	Tommy Darby by J. Feng POA	08/31/2026
	** 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 5 (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 3: SEC 1473 (03-26)