New insider activity at Westlake Corporation ( (WLK) ) has taken place on March 2, 2026.
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Westlake Corporation’s Executive Vice President and Chief Financial Officer, Mark Steven Bender, has sold 17,409 shares of Westlake Corporation stock in a recent transaction. The sale, totaling $1,756,994, highlights a significant disposition of shares by a key member of the company’s leadership team.
Recent Updates on WLK stock
Westlake’s shares moved on mixed signals as Q4 results showed revenue slightly below expectations but better than feared EBITDA in the challenged PEM unit, helped by cost cuts and North American footprint optimization. At the same time, at least one analyst turned more cautious, citing Westlake’s late-December negative preannouncement, weak guidance from peer Olin, and a bearish industry view on vinyls and polyethylene despite the stock’s sharp rally on recovery hopes.
Spark’s Take on WLK Stock
According to Spark, TipRanks’ AI Analyst, WLK is a Neutral.
The score is held down primarily by weak recent financial performance (losses, margin compression, and negative free cash flow), partly offset by constructive technical trend signals and a mixed-but-action-oriented earnings call featuring a sizable 2026 self-help improvement target.
To see Spark’s full report on WLK stock, click here.
More about Westlake Corporation
YTD Price Performance: 42.52%
Average Trading Volume: 1,486,602
Technical Sentiment Signal: Buy
Current Market Cap: $13.48B

