
Mark Steven Bender
EVP & CFO · WESTLAKE CORP
- 2026
- May 14, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark Steven Bender files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Albert Chao - $6.13M in WLK purchases and sales in the last 12 months
- Robert F. Buesinger - $461K in WLK purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark Steven Bender?
Mark Steven Bender is a corporate insider, tracked as EVP & CFO of WESTLAKE CORP (WLK). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Mark Steven Bender last file a Form 4?
The most recent primary Form 4 on record is dated 14 May 2026, one of 6 filings going back to 2026.
Has Mark Steven Bender been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($3.60M) across all tracked filings.