WLK
Westlake CorpCompany with tickers: WLK
Market Cap
$9.81B
Shares Outstanding
128,122,944
CIK
1262823
CUSIP
960413102
13F Activity (30d)
29 filings
5 filers
Website
Visit website
Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.
| Filed | Seller | Relationship | Shares | Approx. Sale | Broker |
|---|---|---|---|---|---|
| 2026-03-30 | ROBERT BUESINGER | Officer | 4,000 | 2026-03-30 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-03-27 | MARK BENDER | Officer | 16,413 | 2026-03-27 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-02-27 | MARK BENDER | Officer | 30,102 | 2026-02-27 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-22 | ALBERT Y CHAO | Officer, Director | 40,836 | 2025-12-22 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2024-11-26 | Chao David Tsung-Hung | Director | 1,750 | 2024-11-26 | MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES |
| 2024-11-21 | Chao David Tsung-Hung | Director | 1,750 | 2024-11-21 | MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES |
| 2024-08-23 | Janssens Thomas J. | Officer | 14,864 | 2024-08-23 | MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES |
| 2024-08-16 | Chao Albert | Officer | 45,298 | 2024-08-16 | MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES |
| 2024-05-06 | Buesinger Robert F. | Officer | 6,633 | 2024-05-06 | Morgan Stanley Smith Barney LLC Executive Services |
| 2024-05-03 | Bender Mark Steven | Officer | 4,950 | 2024-05-03 | Morgan Stanley Smith Barney LLC Executive Services |
| 2024-03-21 | Zoeller Johnathan Stevan | Officer | 657 | 2024-03-21 | Morgan Stanley Smith Barney LLC Executive Services |
| 2024-03-08 | Zoeller Johnathan Stevan | Officer | 2,776 | 2024-03-08 | Morgan Stanley Smith Barney LLC Executive Services |
| 2024-03-05 | Bender Mark Steven | Officer | 4,804 | 2024-03-05 | Morgan Stanley Smith Barney LLC Executive Services |
| 2024-02-29 | Buesinger Robert F. | Officer | 16,670 | 2024-02-29 | Morgan Stanley Smith Barney LLC Executive Services |
| 2024-02-23 | Bender Mark Steven | Officer | 4,854 | 2024-02-23 | MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES |
| 2023-11-30 | Chao James | Officer | 66,213 | 2023-11-30 | Morgan Stanley Smith Barney LLC Executive Services |
| 2023-11-14 | Buesinger Robert F. | Officer | 4,215 | 2023-11-14 | Morgan Stanley Smith Barney LLC Executive Services |
| 2023-08-30 | Chao Albert | Officer | 39,988 | 2023-08-30 | ETRADE FINANCIAL CORPORATION |
| 2023-08-30 | Chao James | Director | 342,860 | 2023-08-30 | ETRADE FINANCIAL CORPORATION |
| 2023-08-30 | Ederington L. Benjamin | Officer | 13,734 | 2023-08-30 | ETRADE FINANCIAL CORPORATION |
| 2023-08-29 | Janssens Thomas J. | Officer | 3,855 | 2023-08-29 | ETRADE FINANCIAL CORPORATION |
| 2023-08-23 | Chao David Tsung-Hung | Director | 1,000 | 2023-08-23 | ETRADE FINANCIAL CORPORATION |
| 2023-08-07 | Buesinger Robert F. | Officer | 21,004 | 2023-08-07 | ETRADE FINANCIAL CORPORATION |
| 2023-08-07 | Bender Mark Steven | Officer | 24,639 | 2023-08-07 | ETRADE FINANCIAL CORPORATION |
| 2023-05-19 | Zoeller Johnathan Stevan | Officer | 1,963 | 2023-05-19 | ETRADE FINANCIAL CORPORATION |
| 2023-05-09 | Buesinger Robert F. | Officer | 12,957 | 2023-05-09 | ETRADE FINANCIAL CORPORATION |
| 2023-05-08 | Bender Mark Steven | Officer | 31,922 | 2023-05-08 | ETRADE FINANCIAL CORPORATION |
Showing 1–27 of 27 filings