NYSE - Delayed Quote
USD
Westlake Corporation (WLK)
63.49
-2.79
(-4.21%)
At close: November 6 at 4:00:02 PM EST
63.49
0.00
(0.00%)
After hours: November 6 at 4:00:45 PM EST
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Learn moreInsider Roster
Insider roster data is derived solely from the last 24 months of Form 3 & Form 4 SEC filings.
| Individual or Entity | Most Recent Transaction | Date | Shares Owned as of Transaction Date |
|---|---|---|---|
| BENDER MARK STEVEN Chief Financial Officer |
Conversion of Exercise of derivative security | May 12, 2026 | 35,895 |
| BUESINGER ROBERT F Officer |
Sale | Mar 27, 2026 | 34,482 |
| CHAO ALBERT Y Officer and Director |
Sale | Aug 11, 2026 | 642,880 |
| CHAO CATHERINE T Director |
Conversion of Exercise of derivative security | Aug 7, 2026 | 27,171 |
| CHAO DAVID TSUNG-HUNG Director |
Conversion of Exercise of derivative security | Aug 7, 2026 | 30,503 |
| CHAO JAMES Y Chairman of the Board |
Stock Award(Grant) | Feb 19, 2026 | 49,774 |
| EDERINGTON LOUIS BENJAMIN Officer |
Stock Award(Grant) | Feb 19, 2026 | 80,158 |
| GRAFF MICHAEL J Director |
Conversion of Exercise of derivative security | Aug 7, 2026 | 23,310 |
| JANSSENS THOMAS J Officer |
Stock Award(Grant) | Feb 20, 2025 | 17,127 |
| NORTHCUTT RONALD BRUCE Director |
Conversion of Exercise of derivative security | Aug 7, 2026 | 23,351 |
