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Buesinger Robert F. insider trades
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Buesinger Robert F. insider trades

Buesinger Robert F. has filed 32 Form 4s with the SEC that we hold, all for Westlake Corp (WLK), as EVP, PEM Segment Head. Across all of them we count 1 purchase worth $7.8K and 10 sales worth $7.1M reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($461.0K). The largest single trade was a sale of 22,555 shares of Westlake Corp worth $2.7M, dated 2022-03-10. The first filing on our record is dated 2021-08-16 and the latest 2026-03-31.

Westlake Corp (WLK)

EVP, PEM Segment Head · 32 filings · 11 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2022-03-09S, sale reported on Form 42,730$315.5K2022-03-10SEC
2022-03-10S, sale reported on Form 422,555$2.7M2022-03-14SEC
2022-05-27S, sale reported on Form 414,427$1.9M2022-05-31SEC
2022-08-31S, sale reported on Form 41,000$98.9K2022-09-01SEC
2023-11-15S, sale reported on Form 44,215$550.1K2023-11-17SEC
2024-03-13S, sale reported on Form 4122$17.6K2024-03-14SEC
2024-03-15S, sale reported on Form 43,878$560.4K2024-03-18SEC
2024-05-09S, sale reported on Form 43,500$554.8K2024-05-13SEC
2025-04-22P, purchase reported on Form 483$7.8K2025-06-09SEC
2025-05-27S, sale reported on Form 483$6.0K2025-06-09SEC
2026-03-27S, sale reported on Form 44,000$461.0K2026-03-31SEC
Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1488587) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-27 · For informational purposes only, not investment advice.
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