Insiders / Chao John Tsung-chen
Chao John Tsung-chen
CIK 1746472personinsider
Companies
1
First seen
Feb 19, 2026
Last activity
Feb 23, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Westlake Corp · WLK | 7,888 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Westlake Corp | Common Stock | 7,888 |
| Westlake Corp | Employee Option (right to buy)Derivative | 4,044 |
| Westlake Corp | Restricted Stock UnitsDerivative | 2,434 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 18, 2026 | Other | WLK Westlake Corp Common Stock | $23.9K | -242 -3.02% | 7,766 <0.01% of shares | low |
| Feb 20, 2026 | Other | WLK Westlake Corp Common Stock | $8.6K | -91 -1.14% | 7,888 <0.01% of shares | low |
| Feb 19, 2026 | Grant | WLK Westlake Corp Common Stock | $0 | +213 +2.74% | 7,979 <0.01% of shares | low |
| Feb 17, 2026 | Exercise | WLK Westlake Corp Common Stock | $0 | +570 +8.10% | 7,608 <0.01% of shares | low |
| Feb 20, 2026 | Grant | WLK Westlake Corp Restricted Stock Units | — | +2K | 2,434 <0.01% of shares | low |
| Feb 20, 2026 | Grant | WLK Westlake Corp Restricted Stock Units | — | +1K | 1,104 <0.01% of shares | low |
| Feb 20, 2026 | Grant | WLK Westlake Corp Employee Option (right to buy) | — | +4K | 4,044 <0.01% of shares | low |
| Feb 17, 2026 | Exercise | WLK Westlake Corp Restricted Stock Units | — | -570 -100.00% | 0 0.00% of shares | low |