Lennox International Inc. filed a Current Report on Form 8-K on September 16, 2026, to disclose changes to its executive compensation structure. The filing details a new form of Long-Term Incentive Award Agreement approved by the Compensation and Human Resources Committee of the Board of Directors.

The agreement is designed for use under the company’s 2019 Equity and Incentive Compensation Plan. It is intended for grants to U.S. employees holding the title of Vice President and above, specifically targeting executive officers. The new agreement authorizes the issuance of restricted stock units, performance share units, and stock appreciation rights.

According to the filing, the terms of the new agreement are substantially similar to a previously disclosed form. However, the document includes updates to vesting and exercise schedules, retirement eligibility criteria, and other administrative details. The filing states that the description of the agreement is qualified in its entirety by reference to the full text attached as Exhibit 10.1.

The report was signed on September 18, 2026, by Jennifer S. Perry, Assistant Secretary of Lennox International.