CHAO ALBERT (President & CEO) sold 6.1% of their position (40.84K shares) of WESTLAKE CORP on the open market
Open‑market sale worth $3.00M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 3 sales
Filed: 12/23/2025ACC: 0001193125-25-329926
DirectorOfficer10% Owner· President & CEO
Since Nov 2018
-40.84K
Net shares
Net seller
$3.00M
Total sold
3
Open market trades
0B · 3S
5
Total transactions
81.67K acquired · 122.51K disposed
Non-Derivative Transactions4
Common Stock
Direct
Shares
+81.67K
Price / share
$44.42
Trade value
$3.63M
% of position
13.9%
12/22/2025
586.88K→668.56K
Common Stock
Direct
Shares
−9.71K
Price / share
$72.82
Trade value
$707.14K
% of position
1.5%
12/22/2025
668.56K→658.85K
Common Stock
Direct
Shares
−30.60K
Price / share
$73.80
Trade value
$2.26M
% of position
4.6%
12/22/2025
658.85K→628.24K
Common Stock
Direct
Shares
−521.00
Price / share
$74.44
Trade value
$38.78K
% of position
0.1%
12/22/2025
628.24K→627.72K
Total
Net shares
+40.84K
Net value
$623.54K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 12/22/2025 | M · Option Exercise | +81.67K | $44.42 | $3.63M | 13.9% | 586.88K | 668.56K |
| Common Stock Direct | 12/22/2025 | S · Sale | −9.71K | $72.82 | $707.14K | 1.5% | 668.56K | 658.85K |
| Common Stock Direct | 12/22/2025 | S · Sale | −30.60K | $73.80 | $2.26M | 4.6% | 658.85K | 628.24K |
| Common Stock Direct | 12/22/2025 | S · Sale | −521.00 | $74.44 | $38.78K | 0.1% | 628.24K | 627.72K |
| Total | +40.84K | $623.54K | ||||||
Derivative Transactions1
Employee Option (right to buy)
Direct
Converts to
Common Stock
81.67K shares
Shares
−81.67K
Strike price
44.42
Held after
0.00
Exercisable
—
12/22/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Employee Option (right to buy) Direct | Common Stock81.67K shares | 12/22/2025 | M · Option Exercise | −81.67K | 44.42 | — | 0.00 |