Updated Jul 16, 2026
Buesinger Robert F. is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $8K. Lifetime open-market sales: $467K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-31 | WLK | WESTLAKE CORP | S — Open-market sale | 4.0K | $115.25 | $461K |
| 2026-02-23 | WLK | WESTLAKE CORP | F — Tax withholding / forfeiture | 326 | $94.10 | $31K |
| 2026-02-23 | WLK | WESTLAKE CORP | A — Grant or award | 1.3K | $0.00 | |
| 2026-02-19 | WLK | WESTLAKE CORP | F — Tax withholding / forfeiture | 903 | $98.95 | $89K |
| 2026-02-19 | WLK | WESTLAKE CORP | M — Option exercise | 3.5K | $0.00 | |
| 2025-04-22 | WLK | WESTLAKE CORP | S — Open-market sale | 83 | $72.70 | $6K |
| 2025-04-22 | WLK | WESTLAKE CORP | P — Open-market purchase | 83 | $93.39 | $8K |
Buesinger Robert F. is a corporate insider — currently tracked as Insider. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 1 open-market purchases ($8K) and 2 open-market sales ($467K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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