Albert Chao, President & CEO at WESTLAKE CHEMICAL CORP (WLK), sold 6,900 shares at $75.10 ($518K) on 2018-11-12, disclosed to the SEC on 2018-11-14.
Open-market sale of $518k WLK by President & CEO. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| WLK | SELL | 2022-05-23 | $9.9M | — | Filing → |
| WLK | SELL | 2021-12-06 | $5.4M | — | Filing → |
| WLK | SELL | 2021-12-03 | $4.6M | — | Filing → |