# EDGAR Filing Document

**Accession Number:** 0001262823
**File Stem:** 0001193125-26-229093
**Filing Date:** 2026-5
**Character Count:** 5595
**Document Hash:** cf3e65b3be23424fa3414f8ab882ff10
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-229093.hdr.sgml**: 20260518

**ACCESSION NUMBER**: 0001193125-26-229093

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260514

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260518

**DATE AS OF CHANGE**: 20260518

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WESTLAKE CORP
- **CENTRAL INDEX KEY:** 0001262823
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL ORGANIC CHEMICALS [2860]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 760346924
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32260
- **FILM NUMBER:** 26994598

**BUSINESS ADDRESS:**
- **STREET 1:** 2801 POST OAK BLVD
- **STREET 2:** SUITE 600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056
- **BUSINESS PHONE:** 713-960-9111

**MAIL ADDRESS:**
- **STREET 1:** 2801 POST OAK BLVD
- **STREET 2:** SUITE 600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77056

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** WESTLAKE CHEMICAL CORP
- **DATE OF NAME CHANGE:** 20030908

?xml version='1.0' encoding='ASCII'? 8-K

### 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**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(I.R.S. Employer**<br> **Identification No.)** |

---

---

| | |
|:---|:---|
| **2801 Post Oak Boulevard, Suite 600**<br> **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**<br> **Symbol(s)** | **Name of each exchange**<br> **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 | 118730522 | 4745348 | 1921982 |
|  Roger A. Cregg | 122103557 | 1372313 | 1921982 |
|  Jean-Marc Gilson | 120226360 | 3249510 | 1921982 |
|  Kimberly S. Lubel | 122162962 | 1312908 | 1921982 |
|  Jeffrey W. Sheets | 116153586 | 7322284 | 1921982 |

---

---

| | | | | |
|:---|:---|:---|:---|:---|
|  | **Votes For** | **Votes Against** | **Abstentions** | **Broker Non-Votes** |
|  Advisory vote to approve named executive officer compensation | 121890636 | 1497095 | 88139 | 1921982 |

---

---

| | | | |
|:---|:---|:---|:---|
|  | **Votes For** | **Votes Against** | **Abstentions** |
|  Ratification of the appointment of PricewaterhouseCoopers LLP | 124742536 | 643992 | 11324 |

---

------

#### 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.

---

| | | |
|:---|:---|:---|
|  |  | **WESTLAKE CORPORATION** |
| Date: May 18, 2026 | By: | /s/ L. Benjamin Ederington |
|  |  | L. Benjamin Ederington<br> **Executive Vice President, Legal and External Affairs** |

---