Insider Trading & Congressional Trades
Chao John Tsung-chen – Insider Transactions
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|
| WLK | Chao John Tsung-chen | Director | Feb 17 '26 | Option Exercise | 0.00 | 1,140 | 0 | 7,608 | Feb 19 12:00 AM |
| WLK | Chao John Tsung-chen | Director | Feb 18 '25 | Option Exercise | 0.00 | 1,026 | 0 | 6,709 | Feb 20 12:00 AM |
