# EDGAR Filing Document

**Accession Number:** 0001604665
**File Stem:** 0001193125-26-164239
**Filing Date:** 2026-4
**Character Count:** 10895
**Document Hash:** 1470e84f2a998ce5109ec91c5b92e8f5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-164239.hdr.sgml**: 20260420

**ACCESSION NUMBER**: 0001193125-26-164239

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260420

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260420

**DATE AS OF CHANGE**: 20260420

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Westlake Chemical Partners LP
- **CENTRAL INDEX KEY:** 0001604665
- **STANDARD INDUSTRIAL CLASSIFICATION:** INDUSTRIAL ORGANIC CHEMICALS [2860]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 320436529
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36567
- **FILM NUMBER:** 26875941

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

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

?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): April 20, 2026

## Westlake Chemical Partners LP

#### (Exact name of registrant as specified in its charter)

---

| | | |
|:---|:---|:---|
| **Delaware** | **001-36567** | **32-0436529** |
| **(State or other jurisdiction**<br> **of incorporation)** | **(Commission**<br> **File Number)** | **(I.R.S. Employer**<br> **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) 585-2900
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 units representing limited partner interests | WLKP | The New York Stock Exchange |

---

Indicate by check mark whether the registrant is an emerging growth company 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 5.02.** | **Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.**  |

---

On April 20, 2026, Westlake Chemical Partners LP (the "Partnership") announced that Jonathan H. Baksht, age 51, was appointed as Senior Vice President and Chief Financial Officer and as a director of Westlake Chemical Partners GP LLC, the general partner of the Partnership (the "General Partner"), effective June 15, 2026. Mr. Baksht will succeed Mr. M. Steven Bender, who, as previously disclosed, will retire by the end of the year and, effective June 15, 2026, will retire from the Board of Directors of the General Partner and transition from his position as Executive Vice President and Chief Financial Officer of the General Partner to the position of Special Advisor to the President of the General Partner.

In connection with his appointment as Senior Vice President and Chief Financial Officer and director of the General Partner, Mr. Baksht was also appointed as Senior Vice President and Chief Financial Officer of Westlake Corporation, the indirect parent company of the General Partner, effective June 15, 2026.

Prior to joining the General Partner, Mr. Baksht served as Executive Vice President and Chief Financial Officer of Fortune Brands Innovations, Inc. from May 2025 to March 2026. From May 2022 to May 2025, Mr. Baksht served as Chief Financial Officer of Pactiv Evergreen Inc. and from August 2013 to September 2021, Mr. Baksht held various positions at Valaris Limited, including most recently as Chief Financial Officer from November 2015 until September 2021. Earlier in his career, he worked in investment banking at Goldman, Sachs & Co. and in management consulting at Andersen Consulting. He has served on the Board of Directors of Duxion Motors Inc. since January 2022 and previously served on the Board of Directors of ARO Drilling, a joint venture between Valaris and Saudi Aramco, from April 2019 to September 2021. Mr. Baksht received a bachelor's of science degree in electrical engineering from the University of Texas at Austin and an M.B.A from the Kellogg Graduate School of Management at Northwestern University.

There are no family relationships between Mr. Baksht and any director or executive officer of the General Partner. Mr. Baksht does not have any interest in any transactions with the Partnership requiring disclosure under Item 404(a) of Regulation S-K, and there are no arrangements or understandings between Mr. Baksht and any other person pursuant to which he was appointed as an officer or director of the General Partner.

---

| | |
|:---|:---|
| **Item 7.01.** | **Regulation FD Disclosure.**  |

---

On April 20, 2026, the Partnership issued a press release announcing the appointment of Mr. Baksht as Senior Vice President and Chief Financial Officer and a director of the General Partner. A copy of the press release is furnished with this Current Report as Exhibit 99.1.

---

| | |
|:---|:---|
| **Item 9.01.** | **Financial Statements and Exhibits.**  |

---

(d) Exhibits

---

| | |
|:---|:---|
| Exhibit<br>No. | Description |
| 99.1 | [Press release issued April 20, 2026](d33835dex991.htm) |
| 104 | The cover page from this Current Report on Form 8-K, formatted in Inline XBRL. |

---

------

#### SIGNATURES
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 CHEMICAL PARTNERS LP**<br>**By: Westlake Chemical Partners GP LLC**, its general partner | **WESTLAKE CHEMICAL PARTNERS LP**<br>**By: Westlake Chemical Partners GP LLC**, its general partner |
| Date: April 20, 2026 | By: | /s/ L. Benjamin Ederington |
|  |  | **L. Benjamin Ederington** |
|  |  | **Executive Vice President, Legal and External Affairs and Director** |

---

## Exhibit 99.1

**Exhibit 99.1** 

**Westlake Chemical Partners Appoints Jonathan H. Baksht as Senior Vice President and Chief Financial Officer** 

HOUSTON, April 20, 2026- Westlake Chemical Partners LP (NYSE: WLKP) (the "Partnership") announced today that Mr. Jonathan H. Baksht will be joining the Partnership as Senior Vice President and Chief Financial Officer and as a director of Westlake Chemical Partners GP LLC, the general partner of the Partnership (the "General Partner"), effective June 15, 2026. Mr. Baksht succeeds Mr. M. Steven Bender, who, as previously disclosed, will retire by the end of the year and, effective June 15, 2026, will retire from the Board of Directors of the General Partner and transition from his position as Executive Vice President and Chief Financial Officer of the General Partner to the position of Special Advisor to the President of the General Partner.

Mr. Baksht most recently served as Executive Vice President and Chief Financial Officer of Fortune Brands Innovations, Inc. from May 2025 to March 2026. From May 2022 to May 2025, Mr. Baksht served as Chief Financial Officer of Pactiv Evergreen Inc. (now Novolex) and from August 2013 to September 2021, Mr. Baksht held various positions at Valaris Limited, including most recently as Chief Financial Officer from November 2015 until September 2021. Earlier in his career, he worked in investment banking at Goldman, Sachs & Co., and in management consulting at Andersen Consulting. He has served on the Board of Directors of Duxion Motors Inc. since January 2022, and previously served on the Board of Directors of ARO Drilling, a joint venture between Valaris and Saudi Aramco, from April 2019 to September 2021.

Mr. Baksht received a bachelor's of science degree in electrical engineering from the University of Texas at Austin and a Master of Business Administration degree from the Kellogg Graduate School of Management at Northwestern University.

"We are pleased to have an executive with Jon's depth of experience from the oil and gas, packaging and building products industries join our management team," said Mr. Jean-Marc Gilson, President and Chief Executive Officer of the General Partner. "We are confident he will make an important contribution to the ongoing growth and development of Westlake Chemical Partners. Although he will still be with us for several more months, we thank Steve for all his contributions to the success of the Partnership since its formation."

**About Westlake Chemical Partners LP** 

Westlake Chemical Partners is a limited partnership formed by Westlake Corporation to operate, acquire and develop ethylene production facilities and other qualified assets. Headquartered in Houston, the Partnership owns a 22.8% interest in Westlake Chemical OpCo LP. Westlake Chemical OpCo LP's assets include three facilities in Calvert City, Kentucky, and Lake Charles, Louisiana which process ethane and propane into ethylene, and an ethylene pipeline. For more information about Westlake Chemical Partners LP, please visit http://www.wlkpartners.com/.

###

**Contacts** 

<u>Media Inquiries</u>:

Ben Ederington, 713-960-2900

or

<u>Investor Inquiries</u>:

Steve Bender, 713-960-2900