Joseph Nassab, EVP and President of Building Climate Solutions at Lennox International Inc, filed a Form 4 on November 10, 2026, reporting three transactions in common stock and one derivative transaction dated November 9, 2026.

Key Highlights

  • SAR exercise: Nassab exercised 1,517 Non-qualified Stock Appreciation Rights (transaction code M) at a conversion price of $257.08 per share on November 9, 2026.
  • Shares acquired: 1,517 shares of Common Stock, Par Value $0.01 Per Share, were acquired at $257.08, bringing holdings to 12,580 shares directly owned.
  • Shares disposed via code D: 1,272 shares were disposed of at $350.465 per share, reducing direct holdings to 11,308 shares.
  • Open-market sale: An additional 245 shares were sold (transaction code S) at $350.265 per share, leaving Nassab with 11,063 shares directly owned.
  • Derivative position zeroed: Following the exercise, Nassab holds 0 of the previously reported Non-qualified Stock Appreciation Rights, which had been fully exercisable since December 13, 2022.
  • Issuer and exchange: The issuer is Lennox International Inc, listed as NYSE:LII.

Nassab's November 9 Transactions in Lennox International Stock

According to the filing, Joseph Nassab, identified as EVP and President of Building Climate Solutions at Lennox International Inc (NYSE:LII), reported a series of three non-derivative transactions and one derivative transaction, all dated November 9, 2026. The form was signed by Monica M. Brown as attorney-in-fact for Nassab and filed on November 10, 2026.

The filing discloses that Nassab exercised 1,517 Non-qualified Stock Appreciation Rights at a conversion or exercise price of $257.08 per share (transaction code M). These rights had a date exercisable of December 13, 2020, and an expiration date of December 13, 2026. As noted in the filing's explanation of responses, "One third of the Stock Appreciation Rights became exercisable on 12/13/2020 and each year thereafter. The entire grant became fully exercisable on 12/13/2022." The price of the derivative security upon exercise is listed as $0. Following this exercise, Nassab holds 0 of these derivative securities.

On the same date, 1,272 shares were disposed of at $350.465 per share (transaction code D), and a separate sale of 245 shares was recorded at $350.265 per share (transaction code S). After all three non-derivative transactions, the filing reports Nassab's direct beneficial ownership at 11,063 shares of Common Stock, Par Value $0.01 Per Share. All reported ownership is listed as direct.

What Was Disclosed

The filing reports that Joseph Nassab, an officer of Lennox International Inc, exercised 1,517 Non-qualified Stock Appreciation Rights and disposed of a combined 1,517 shares on November 9, 2026, leaving him with 11,063 shares of common stock directly owned.