Director Carolyn Chao Sabat filed a Form 4 with the SEC on August 17, 2026, reporting the acquisition of restricted stock units in Westlake Corp, with the earliest transaction dated August 14, 2026.

Key Highlights

  • Reporting person: Carolyn Chao Sabat, identified as a Director of Westlake Corp (NYSE:WLK).
  • Securities acquired: 2,184 restricted stock units (RSUs) acquired on August 14, 2026, at a price of $0.
  • Conversion ratio: According to the filing, the RSUs convert into the issuer's common stock on a one-for-one basis.
  • Vesting date: All 2,184 RSUs are scheduled to vest on August 14, 2027, per the filing's explanation of responses.
  • Beneficial ownership following transaction: 2,184 derivative securities beneficially owned, held directly.
  • Transaction code: A (acquisition), with no disposition reported.

Westlake Corp Director Sabat Acquires 2,184 RSUs in August 2026 Grant

According to the Form 4 filed on August 17, 2026, Carolyn Chao Sabat, a Director of Westlake Corp (NYSE:WLK), reported the acquisition of 2,184 restricted stock units on August 14, 2026. The transaction is recorded under Table II (Derivative Securities) with transaction code "A," indicating an acquisition. The price of the derivative security is listed as $0.

The filing states that the restricted stock units convert into the issuer's common stock on a one-for-one basis, meaning each RSU corresponds to one share of Westlake Corp common stock upon vesting. According to the explanation of responses, all 2,184 restricted stock units will vest on August 14, 2027. Following the reported transaction, the filing shows Sabat beneficially owns 2,184 derivative securities, held in direct form. No non-derivative securities transactions were reported in Table I.

The Form 4 was signed by J Feng under a power of attorney on behalf of Carolyn Chao Sabat, and was filed on August 17, 2026. The filing indicates this was made by one reporting person and is not identified as an amendment to a prior filing.

What Was Disclosed

The filing reports that Director Carolyn Chao Sabat acquired 2,184 RSUs in Westlake Corp on August 14, 2026, at no cost. The units, which convert to common stock on a one-for-one basis, are set to vest on August 14, 2027.