Filing Details

Accession Number:
0000950170-25-083572
Form Type:
4
Zero Holdings:
No
Publication Time:
2025-06-09 13:59:50
Reporting Period:
2025-04-22
Filing Date:
2025-06-09
Accepted Time:
2025-06-09 13:59:50
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1262823 Westlake Corp WLK Industrial Organic Chemicals (2860) 760346924
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1488587 F. Robert Buesinger 2801 Post Oak Blvd., Ste. 600
Houston TX 77056
Evp, Pem Segment Head No No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2025-04-22 83 $93.39 83 No 4 P Indirect by trust
Common Stock Disposition 2025-05-27 83 $72.70 0 No 4 S Indirect by trust
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Indirect by trust
No 4 S Indirect by trust
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 34,932 Direct
Footnotes
  1. These shares are held in a trust for the benefit of the reporting person and his family. The reporting person serves as co-trustee.The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.