Chao Albert (CIK 1299403) reported 11 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-11). Recent activity: Buy WLK (38,873 shares), Sell WLK (7,489 shares), Sell WLK (31,384 shares), Buy WLK (6,193 shares), Sell WLK (2,501 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-11 | WESTLAKE CORP (WLK) | Executive Chairman | Buy | 38,873 | $2.4M |
| 2026-08-11 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 7,489 | $596,873 |
| 2026-08-11 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 31,384 | $2.5M |
| 2026-02-23 | WESTLAKE CORP (WLK) | Executive Chairman | Buy | 6,193 | $0 |
| 2026-02-23 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 2,501 | $235,344 |
| 2026-02-19 | WESTLAKE CORP (WLK) | Executive Chairman | Buy | 16,555 | $0 |
| 2026-02-19 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 5,089 | $503,557 |
| 2025-12-23 | WESTLAKE CORP (WLK) | Executive Chairman | Buy | 81,673 | $3.6M |
| 2025-12-23 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 9,711 | $707,155 |
| 2025-12-23 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 30,604 | $2.3M |
| 2025-12-23 | WESTLAKE CORP (WLK) | Executive Chairman | Sell | 521 | $38,783 |
Source: SEC Form 4 filings · as of 2026-08-11