Who
Catherine T. Chao
Director
Company insider
Files Form 4 as: Director and 10% owner, Westlake.
In numbers
- Trades disclosed
- 17
- Buys
- 0
- Sells
- 0
- Bought
- $0
- Sold
- $0
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 12 May 2023
- Last trade
- 14 Aug 2026
- Last filed
- 17 Aug 2026
Companies traded
Activity over time
Not enough dated trades to draw.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 14 Aug 2026filed 17 Aug 2026 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code A | —2,184 at $0.00 | filing |
| 14 Aug 2026filed 17 Aug 2026 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code A | —2,184 at $0.00 | filing |
| 8 Aug 2026filed 10 Aug 2026 | WLK WestlakeChemicals | SEC FORM 4 Code M | —2,168 | filing |
| 8 Aug 2026filed 10 Aug 2026 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code M | —2,168 at $0.00 | filing |
| 8 Aug 2026filed 10 Aug 2026 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code M | —2,168 at $0.00 | filing |
| 8 Aug 2026filed 10 Aug 2026 | WLK WestlakeChemicals | SEC FORM 4 Code M | —2,168 | filing |
| 9 Aug 2025filed 11 Aug 2025 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code M | —1,128 at $0.00 | filing |
| 9 Aug 2025filed 11 Aug 2025 | WLK WestlakeChemicals | SEC FORM 4 Code M | —1,128 | filing |
| 8 Aug 2025filed 11 Aug 2025 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code A | —2,168 at $0.00 | filing |
| 11 Aug 2024filed 12 Aug 2024 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code M | —1,136 at $0.00 | filing |
| 11 Aug 2024filed 12 Aug 2024 | WLK WestlakeChemicals | SEC FORM 4 Code M | —1,136 | filing |
| 9 Aug 2024filed 12 Aug 2024 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code A | —1,128 at $0.00 | filing |
| 12 May 2024filed 13 May 2024 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code M | —1,316 at $0.00 | filing |
| 12 May 2024filed 13 May 2024 | WLK WestlakeChemicals | SEC FORM 4 Code M | —1,316 | filing |
| 31 Aug 2023filed 1 Sep 2023 | WLK WestlakeChemicals | SEC FORM 4 Code G | —19,423 at $0.00 | filing |
| 11 Aug 2023filed 14 Aug 2023 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code A | —1,136 at $0.00 | filing |
| 12 May 2023filed 15 May 2023 | WLK Westlakeoption or derivative · Chemicals | SEC FORM 4 Code A | —1,316 at $0.00 | filing |
News
No headline names them, or the companies they trade most, lately.
Sectors
No trade we could place in a sector.