Westlake CORP Form 4 insider transactions

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.

Scott Szwejbka, SVP at Westlake Corp, reports the acquisition of 8,551 restricted stock units (RSUs) on April 11, 2025, vesting on April 11, 2028.

Director John Chao amends a previous SEC filing to report the sale of 391 shares of Westlake Corp stock to cover tax obligations from vesting performance stock units.

Director John Chao amends a previous SEC Form 4 filing to report the sale of 235 shares of Westlake Corp stock to cover tax obligations arising from vested Restricted Stock Units.

Westlake Corp's President and CEO, Jean-Marc Gilson, reported the acquisition of 8,994 restricted stock units (RSUs) on February 28, 2025, which will vest on February 28, 2028.

Westlake Corp's CEO, Jean-Marc Gilson, reports the acquisition of stock options and restricted stock units, signaling potential future equity ownership.

Director John Tsung-chen Chao reports acquisition of common stock and derivative securities in Westlake Corp.

Westlake Corp's VP and CAO, Jeffrey Adam Holy, reports acquisition and disposal of common stock and derivative securities, including stock options and restricted stock units, following vesting of performance stock units.

EVP, PEM, GC and CAO of Westlake Corp, L. Benjamin Ederington, reports acquisition and disposal of common stock and derivative securities.

Thomas J. Janssens, SVP at Westlake Corp, reports acquisition and disposal of company stock and derivative securities.

Director James Chao reports acquisition and disposal of Westlake Corp stock and derivative securities following vesting of performance stock units.