Insiders / Chao Catherine T.
Chao Catherine T.
CIK 1974884personinsider
Companies
1
First seen
Aug 11, 2025
Last activity
Aug 17, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Westlake Chemical Corp · WLK | 7,748 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Westlake Chemical Corp | Common Stock | 7,748 |
| Westlake Chemical Corp | Restricted Stock UnitsDerivative | 2,184 |
Activity
InsidersInstitutions
This person's trades in company stock, across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Aug 14, 2026 | Grant Grant or award | WLK Westlake Chemical Corp Restricted Stock Units | — | +2K | 2,184 <0.01% of shares | low |
| Aug 8, 2026 | Exercise Option exercise | WLK Westlake Chemical Corp Restricted Stock Units | — | -2K -50.00% | 2,168 <0.01% of shares | low |
| Aug 8, 2026 | Exercise Option exercise | WLK Westlake Chemical Corp Common Stock | — | +2K +38.85% | 7,748 <0.01% of shares | low |
| Aug 9, 2025 | Exercise Option exercise | WLK Westlake Chemical Corp Restricted Stock Units | — | -1K -100.00% | 0 0.00% of shares | low |
| Aug 8, 2025 | Grant Grant or award | WLK Westlake Chemical Corp Restricted Stock Units | — | +2K | 2,168 <0.01% of shares | low |
| Aug 9, 2025 | Exercise Option exercise | WLK Westlake Chemical Corp Common Stock | — | +1K +25.34% | 5,580 <0.01% of shares | low |