8-K

WESTLAKE CORPORATION

Date: May 18, 2026

/s/ L. Benjamin Ederington

L. Benjamin Ederington

Executive Vice President, Legal and External Affairs

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (date of earliest event reported): May 14, 2026

Westlake Corporation

(Exact name of registrant as specified in its charter)

Delaware

001-32260

76-0346924

(State or other jurisdiction

of incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

2801 Post Oak Boulevard, Suite 600

Houston, Texas

77056

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (713) 960-9111

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	WLK	The New York Stock Exchange
1.625% Senior Notes due 2029	WLK 29	The New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.07. Submission of Matters to a Vote of Security Holders.

Three matters were voted upon by the stockholders of Westlake Corporation (the “Company”) at its annual meeting of stockholders held on May 14, 2026 (the “2026 Annual Meeting”): (1) five members of the Board of Directors of the Company were elected; (2) the advisory vote to approve named executive officer compensation was approved; and (3) the appointment of PricewaterhouseCoopers LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified. The following tabulation sets forth the number of votes cast for, against or withheld and the number of abstentions and broker non-votes, as applicable.


Election of Directors	Votes For	Votes Withheld	Broker Non-Votes
Catherine T. Chao	118,730,522	4,745,348	1,921,982
Roger A. Cregg	122,103,557	1,372,313	1,921,982
Jean-Marc Gilson	120,226,360	3,249,510	1,921,982
Kimberly S. Lubel	122,162,962	1,312,908	1,921,982
Jeffrey W. Sheets	116,153,586	7,322,284	1,921,982


	Votes For	Votes Against	Abstentions	Broker Non-Votes
Advisory vote to approve named executive officer compensation	121,890,636	1,497,095	88,139	1,921,982


	Votes For	Votes Against	Abstentions
Ratification of the appointment of PricewaterhouseCoopers LLP	124,742,536	643,992	11,324

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

SEC Form 8-K filed by Westlake Corporation