Robert F. Buesinger
EVP, PEM Segment Head · WESTLAKE CORP
- 2025
- Mar 31, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Robert F. Buesinger 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
- Mark Steven Bender - $3.60M in WLK purchases and sales in the last 12 months
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Frequently asked questions
Who is Robert F. Buesinger?
Robert F. Buesinger is a corporate insider, tracked as EVP, PEM Segment Head of WESTLAKE CORP (WLK). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Robert F. Buesinger last file a Form 4?
The most recent primary Form 4 on record is dated 31 March 2026, one of 5 filings going back to 2025.
Has Robert F. Buesinger been buying or selling stock?
Recorded transactions: 1 open-market purchase ($8K) and 2 open-market sales ($467K) across all tracked filings.
