WLKWestlake Corporation
$62.28-24% 1Y
$62.28
$55.2852 weeks$122.65
WLK in its own filings
Nothing in WLK's filing record raises a hard flag: no restatement, late filing, bankruptcy or delisting notice, and no auditor change next to one. That is the common case, not a distinction.
383
Events found in the filings · across 1,722 filings · the record starts in 2004
- Hard flags
- none
Hard flags
- Most recent filing
- Sep 29, 2026
Most recent filing · Form 8-K
- Record starts
- Mar 9, 2004
Record starts · the earliest filing Ryufin holds for this name
Details›
- Next results filingsame week as a year ago
- expected around Oct 29, 2026
- SEC comment-letter activity30 occurrences
- 2024-09-06
SEC EDGAR submissions index and 8-K item codes; 4.02 and 1.03 items are confirmed against the filing text.
What the company said
The company's own words from its current reports to the SEC, newest first
- Sep 29, 2026On September 24, 2026, Westlake Corporation (the “Company”) approved a plan to cease operation of its polyvinyl chloride (“PVC”) production plant located in Cologne, Germany, which has an annual production capacity of approximately 165,000 metric tons of PVC per year.Exit or disposal costs (restructuring) · Form 8-K
- Aug 31, 2026On August 31, 2026, Westlake Corporation (the “Company”) announced the appointment of Tommy E. Darby, age 45, to the position of Vice President, Chief Accounting Officer of the Company, effective immediately.Director or officer change · Form 8-K
- Aug 4, 2026Westlake Corporation Reports Second Quarter 2026 Results.Earnings release · press release
- Jul 29, 2026On July 29, 2026, the District Court of Amsterdam dismissed the plaintiffs’ claims against the Company and the other defendants in (i) the lawsuit filed by Shell Chemical Europe B.V. (“SCE”) in March 2023, in which SCE had alleged damages of approximately €1,025 million (plus statutory interest), and (ii) the lawsuit …Other event · Form 8-K
- Jun 15, 2026Westlake Vinnolit GmbH & Co. KG, has completed the previously-announced acquisition of a polyvinyl chloride and vinyl chloride monomer production site located in Wilhelmshaven, Germany (the “Wilhelmshaven plant”). The.Regulation FD disclosure · press release
- May 5, 2026Westlake Corporation Reports First Quarter 2026 Results.Earnings release · press release
- Apr 20, 2026On April 15, 2026, the Compensation Committee of the Board of Directors (the “Compensation Committee”) of Westlake Corporation (the “Company”) appointed Jonathan H. Baksht, age 51, as Senior Vice President and Chief Financial Officer of the Company, effective June 15, 2026.Director or officer change · Form 8-K
- Apr 14, 2026Each of the lawsuits is filed on behalf of the respective named plaintiff or plaintiffs and a putative class comprised of either direct purchasers (the “DPPs”) or indirect purchasers of PVC pipe and fittings in the United States.Other event · Form 8-K
- Apr 6, 2026On April 2, 2026, Westlake Corporation (“Westlake”) entered into a credit agreement (the “Credit Agreement”), by and among Westlake, the lenders from time to time party thereto (collectively, the “Lenders”), the issuing banks party thereto and JPMorgan Chase Bank, National Association, as administrative agent.Material agreement entered · Form 8-K
- Apr 2, 2026On March 30, 2026, in connection with the upcoming retirement of Robert F. Buesinger, Executive Vice President, Performance & Essential Materials Segment Head of Westlake Corporation (the “Company”), the Board of Directors of the Company (the “Board”) approved the transition of Mr. Buesinger to the role of Special …Director or officer change · Form 8-K
Quoted from SEC EDGAR filings. A current report is filed within four business days of the event it describes.
opening the record…