Westlake CORP Form 4 insider transactions

Westlake Corp's President and CEO, Jean-Marc Gilson, acquired 109,139 employee stock options and 29,784 restricted stock units, signaling increased executive alignment.

Westlake Corp's EVP of Legal & External Affairs, L. Benjamin Ederington, reported the vesting of performance stock units, acquisition of new stock options and restricted stock units, and shares withheld for tax obligations.

Westlake Corp's EVP, Robert F. Buesinger, reported the vesting of performance stock units, tax-related share disposition, and new grants of stock options and restricted stock units.

Westlake Corp's EVP & CFO, Mark Steven Bender, reported the vesting of performance stock units and the grant of new stock options and restricted stock units, alongside a sale of shares to cover tax obligations.

Westlake Corp. Director John Tsung-chen Chao reported significant equity awards, including vested performance stock units, new stock options, and restricted stock units.

Albert Chao, Executive Chairman of Westlake Corp, reported the vesting of performance stock units, acquisition of new stock options and restricted stock units, and a sale of shares for tax obligations.

Westlake Corp's Senior Chairman, James Chao, reported the vesting of performance stock units, a tax-related share disposition, and new grants of stock options and restricted stock units.

Westlake Corp's SVP, Scott Szwejbka, converted 977 restricted stock units into common stock and subsequently sold 295 shares to cover tax obligations.

Westlake Corp's VP and CAO, Jeffrey Holy, reported the vesting of restricted stock units and subsequent sale of shares for tax obligations.

Westlake Corp's EVP of Legal & External Affairs, L. Benjamin Ederington, converted restricted stock units into common stock and subsequently sold a portion to cover tax liabilities.

Westlake Corp's Senior Chairman, James Chao, reported the vesting of 10,382 restricted stock units and the subsequent withholding of 2,664 shares for tax obligations.

Westlake Corp. Director John Tsung-chen Chao reported the vesting of 570 restricted stock units and the subsequent disposition of 242 shares for tax obligations.

Westlake Corp's Executive Chairman Albert Chao reported the vesting of restricted stock units and subsequent sale of shares to cover tax obligations.

Westlake Corp's EVP, Robert F. Buesinger, reported the vesting of 3,478 restricted stock units and the subsequent withholding of 903 shares for tax obligations.

Westlake Corp's EVP & CFO, Mark Steven Bender, acquired 4,751 shares through RSU vesting and subsequently sold 1,209 shares for tax obligations.

Westlake Corp's Executive Chairman, Albert Chao, exercised stock options and subsequently sold a portion of the acquired shares to cover the strike price and related taxes.

Westlake Corp. Director Roger Cregg converted 1,339 restricted stock units into common stock on December 10, 2025.

Westlake Corp's SVP, Scott Szwejbka, converted 10,840 restricted stock units into common stock and subsequently sold 3,842 shares to cover tax obligations.

James Chao, Senior Chairman and Director of Westlake Corp, reported gifting 15,140 shares of common stock.

A Westlake Corp. director reported future acquisitions and conversions of restricted stock units under a pre-arranged plan.

Westlake Corp Director Catherine T. Chao reported the acquisition of new restricted stock units and the conversion of previously granted units into common stock.

Westlake Corp. Director David Tsung-Hung Chao reported the vesting of 1,128 restricted stock units into common stock and the grant of 2,168 new restricted stock units.

Westlake Corp Director R. Bruce Northcutt reported the acquisition of new restricted stock units and the conversion of previously granted units into common stock.

Westlake Corp. Director Carolyn Chao Sabat converted 1,128 restricted stock units into common stock and acquired an additional 2,168 restricted stock units.

A Westlake Corp director filed a Form 4 detailing future acquisitions and conversions of restricted stock units and common stock under a Rule 10b5-1 plan.

Westlake Corp Director Kimberly S. Lubel reported the acquisition of new restricted stock units and the conversion of previously vested units into common stock.

Westlake Corp. Director Roger A. Cregg was granted 2,168 restricted stock units, vesting on August 8, 2026.

Westlake Corp. Director Jeffrey W. Sheets increased his beneficial ownership of common stock and received a new grant of restricted stock units.

Robert F. Buesinger, EVP of Westlake Corp, has filed a Form 4 detailing future planned acquisitions and dispositions of company common stock through a trust under a Rule 10b5-1 trading plan.

Robert F. Buesinger, EVP of PEM at Westlake Corp, reports acquisition of 17,101 restricted stock units.