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AI brief of an SEC Form 8-K · Westlake (WLK)

Westlake Corp names Brian Powers SVP for Performance & Essential Materials segment

Neutral Impact 3 of 5 leadership Written later

Westlake said Executive Vice President Robert F. Buesinger, who leads the Performance & Essential Materials segment, is retiring and moving to a Special Advisor role to the President effective April 2, 2026. The board named Brian Powers as Senior Vice President and segment head on the same date, so the segment leadership changes hands without a stated gap.

Key points

  • Robert F. Buesinger moves from Executive Vice President to Special Advisor to the President, effective April 2, 2026
  • Brian Powers appointed Senior Vice President, Performance & Essential Materials Segment Head, effective April 2, 2026
  • Board approved the transition on March 30, 2026

The filing

CompanyWestlake (WLK)
Form8-K, current report
Filed with the SECApr 2, 2026, 8:01 AM ET
Accession number0001193125-26-139007

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:17 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on April 02, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.