20 insiders have filed at WLK since 2023Q3: names, roles, reported stakes, and each person's buying and selling record from SEC Form 3/4/5 filings.
| name | role | reported stake | % of company | buys (3y) | sells (3y) |
|---|---|---|---|---|---|
| Chao Albert | Executive Chairman | 642.9k | 0.502% | 3 sells $3.0M | |
| Ederington L. Benjamin | EVP, Legal & External Affairs | 80.2k | 0.063% | ||
| Chao James | Senior Chairman | 49.8k | 0.039% | ||
| Buesinger Robert F. | EVP, Pem Segment Head | 34.5k | 0.027% | 1 buys $8k | 6 sells $2.1M |
| Chao David Tsung-Hung | Director | 28.3k | 0.022% | 3 sells $584k | |
| Bender Mark Steven | EVP & CFO | 28.0k | 0.022% | 6 sells $5.7M | |
| Chao Catherine T. | Director | 25.0k | 0.02% | ||
| Northcutt R Bruce | Director | 21.2k | 0.017% | ||
| Graff Michael J | Director | 21.1k | 0.017% | ||
| Janssens Thomas J. | SVP, Ops - Pem & Corp Logistic | 17.1k | 0.013% | ||
| Szwejbka Scott Thomas | SVP, Hip Segment Head | 13.8k | 0.011% | ||
| Sheets Jeffrey Wayne | Director | 12.8k | 0.01% | ||
| Lubel Kimberly S | Director | 11.7k | <0.01% | ||
| Haas Marius | Director | 11.6k | <0.01% | ||
| Mccollum Mark A | Director | 9.7k | <0.01% | ||
| Chao John Tsung-Chen | Director | 7.9k | <0.01% | ||
| Holy Jeffrey Adam | VP And CAO | 5.1k | <0.01% | ||
| Zoeller Johnathan Stevan | VP And CAO | 4.4k | <0.01% | ||
| Sabat Carolyn Chao | Director | 3.6k | <0.01% | ||
| Cregg Roger A | Director | 1.3k | <0.01% |
Full register at boothcheck.com/insiders/WLK. Stakes are the newest reported Form 3/4/5 balances (they update only when insiders file). Sales counted include pre-scheduled plan sales, labeled. A filed record, not a forecast. Nothing here is investment advice.