Insider · CIK 0001299403
Albert Chao
chairofficerdirector
Files at WLK (WESTLAKE CORP). First filing Dec 23, 2025, latest Dec 23, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $3.0M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
WLK: WESTLAKE CORP
WLKOct 9, 2026 · close 62.29
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 30Weak | WLKsell WESTLAKE CORP | $3.0M 40,836 shares | -6% | +33% from low-36% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 22, 2025 | WLK WESTLAKE CORP | MOption exercise Common Stock | +81,673 | $44.42 | $3.6M | 668,558 | Dec 23, 2025 |
| Dec 22, 2025 | WLK WESTLAKE CORP | SOpen-market sale Common Stock | -9,711 | $72.82 | $707k | 658,847 | Dec 23, 2025 |
| Dec 22, 2025 | WLK WESTLAKE CORP | SOpen-market sale Common Stock | -30,604 | $73.80 | $2.3M | 628,243 | Dec 23, 2025 |
| Dec 22, 2025 | WLK WESTLAKE CORP | SOpen-market sale Common Stock | -521 | $74.44 | $39k | 627,722 | Dec 23, 2025 |
| Dec 22, 2025 | WLK WESTLAKE CORP | MOption exercise Employee Option (right to buy)derivative | -81,673 | $0.00 | $0 | 0 | Dec 23, 2025 |
| Feb 20, 2025 | WLK WESTLAKE CORP | AGrant or award Common Stock | +33,456 | $0.00 | $0 | 600,275 | Feb 24, 2025 |
| Feb 21, 2025 | WLK WESTLAKE CORP | FTax withholding Common Stock | -13,390 | $110.54 | $1.5M | 586,885 | Feb 24, 2025 |
| Feb 21, 2025 | WLK WESTLAKE CORP | AGrant or award Employee Option (right to buy)derivative | +37,172 | $0.00 | $0 | 37,172 | Feb 24, 2025 |
| Feb 21, 2025 | WLK WESTLAKE CORP | AGrant or award Restricted Stock Unitsderivative | +12,322 | $0.00 | $0 | 12,322 | Feb 24, 2025 |
| Feb 18, 2025 | WLK WESTLAKE CORP | MOption exercise Common Stock | +17,972 | $0.00 | $0 | 572,888 | Feb 20, 2025 |
| Feb 19, 2025 | WLK WESTLAKE CORP | FTax withholding Common Stock | -5,820 | $111.46 | $649k | 567,068 | Feb 20, 2025 |
| Feb 19, 2025 | WLK WESTLAKE CORP | FTax withholding Common Stock | -249 | $112.73 | $28k | 566,819 | Feb 20, 2025 |
| Feb 18, 2025 | WLK WESTLAKE CORP | MOption exercise Restricted Stock Unitsderivative | -17,972 | $0.00 | $0 | 0 | Feb 20, 2025 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.