Insider · CIK 0001299403
Albert Chao
Files at: WLK, WLKP. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 SForm 4 → | Aug 11, 5:45 pm EDT | WESTLAKE CORPWLK | 38,873 | $80.28 | $3,120,775 | 642,880 | −5.70% | |
| Aug 11, 2026 MForm 4 → | Aug 11, 5:45 pm EDT | WESTLAKE CORPWLK | 38,873 | $61.87 | $2,404,878 | 681,753 | — |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 MForm 4 → | Aug 11, 5:45 pm EDT | WESTLAKE CORPWLK | 38,873 | — | — | 38,873 | — |