Skip to main content
Integrity IndexIntegrity Index
← Companies
WLK

WESTLAKE CORP

Data as of Sep 17, 2026
WLK
CIK 1262823Industrial Organic Chemicals
Reported federal lobbying
$530K
15 filings · latest Aug 6, 2026

Holdings

No member currently holds WLK by our estimate, but 1 listed it on an annual financial disclosure.

MemberCurrentDisclosed
Listed on an annual disclosure, not currently held
DBrad SchneiderHouse · Illinois
——

Values are estimates from disclosed ranges, not brokerage statements.

Data: Quiver Quantitative, FEC, Senate Lobbying Disclosure Act filings, USAspending, congressional periodic transaction reports. Records are matched to WESTLAKE CORP through its SEC registration (CIK 1262823) and tickers WLK.

As of: lobbying filings through Aug 6, 2026. Snapshot rebuilt Sep 17, 2026.

Holdings values are estimates from disclosed ranges. Donation coverage for a cycle begins with the first month loaded, so earlier months may still be missing.