Westlake Corporation (WLK) names Tommy Darby chief accounting officer at $440,000 base salary
HOUSTON, Aug. 31. Westlake Corporation (WLK) appointed Tommy E. Darby, 45, as Vice President and Chief Accounting Officer at an annual salary of $440,000, the company disclosed in an 8-K filed August 31, 2026. Darby takes the same title at Westlake Chemical Partners GP LLC, a wholly-owned subsidiary that serves as general partner of Westlake Chemical Partners LP, also effective that date. He succeeds Jeffrey A. Holy, who moves to Vice President, Finance and Investor Relations concurrent with Darby's appointment.
Key takeaways
- Westlake Corporation (WLK) appointed Tommy E. Darby, 45, as Vice President and Chief Accounting Officer at an annual base salary of $440,000, disclosed in an 8-K filed August 31, 2026.
- Darby also becomes Vice President and Chief Accounting Officer at Westlake Chemical Partners GP LLC, effective the same date.
- He succeeds Jeffrey A. Holy, who moves to Vice President, Finance and Investor Relations concurrent with Darby's appointment.
- Darby's package includes a 45% target annual bonus, an 8% target quarterly bonus, a 90% long-term incentive target, and a sign-on RSU award with a $135,000 grant date fair value vesting fully on August 31, 2029.
- Before Westlake, Darby was VP and Chief Accounting Officer at Pactiv Evergreen Inc. (now Novolex) from August 2022 to April 2025, and previously held roles at Valaris plc and began his career at Deloitte LLP.
HOUSTON, Aug. 31. Westlake Corporation (WLK) appointed Tommy E. Darby, 45, as Vice President and Chief Accounting Officer at an annual salary of $440,000, the company disclosed in an 8-K filed August 31, 2026. Darby takes the same title at Westlake Chemical Partners GP LLC, a wholly-owned subsidiary that serves as general partner of Westlake Chemical Partners LP, also effective that date. He succeeds Jeffrey A. Holy, who moves to Vice President, Finance and Investor Relations concurrent with Darby's appointment.
Darby's compensation includes a target annual bonus of 45% of base salary under Westlake's Annual Incentive Plan, prorated for his start date, and a target quarterly bonus of 8% of eligible quarterly salary. His long-term incentive target is 90% of base salary under the company's amended and restated 2013 Omnibus Incentive Plan. He also receives a sign-on restricted stock unit award with a grant date fair value of $135,000. The RSUs vest fully on August 31, 2029, provided Darby remains in continuous full-time employment through that date. The share count will be set using the average of the high and low prices of WLK common stock on August 31, 2026, the filing shows.
Before joining Westlake, Darby served as Vice President and Chief Accounting Officer at Pactiv Evergreen Inc., now operating as Novolex, from August 2022 to April 2025, and earlier at that company as Vice President and Controller. From March 2008 to May 2020, he held roles in external reporting, financial systems, and internal audit at Valaris plc, now Valaris Limited, and its predecessor companies, before becoming Vice President and Controller and then Vice President, Finance. He began his career in audit and assurance at Deloitte LLP.
Darby holds a Bachelor of Science in Accounting and a Master of Science in Auditing and Financial Accounting, both from the University of North Texas. He is a Certified Public Accountant. The 8-K, signed by L. Benjamin Ederington, Executive Vice President, Legal and External Affairs, states no family relationships exist between Darby and any director or executive officer of the company.