Robert F. Buesinger, Senior Vice President, Vinyls at WESTLAKE CHEMICAL CORP (WLK), sold 1,478 shares at $90.97 ($134K) on 2013-05-08, disclosed to the SEC on 2013-05-10.
Open-market sale of $134k WLK by Senior Vice President, Vinyls. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| WLK | BUY | 2025-06-09 | $8K | — | Filing → |
| WLK | SELL | 2024-05-13 | $555K | — | Filing → |
| WLK | SELL | 2024-03-18 | $560K | — | Filing → |