[Form 4] LENNOX INTERNATIONAL INC Insider Trading Activity

Rhea-AI Filing Summary

Lennox International Inc. executive Daniel M. Sessa, EVP and Chief HR Officer, reported a Form 4 insider transaction involving the company’s common stock. On 12/09/2025, he disposed of 531 shares of Lennox International common stock, par value $0.01 per share, in a transaction coded "F" at a price of $500.125 per share. Following this transaction, Sessa beneficially owns 31,043 shares of Lennox International common stock, held in direct ownership.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sessa Daniel M

(Last) (First) (Middle)

2140 LAKE PARK BLVD.

(Street)

RICHARDSON TX 75080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
LENNOX INTERNATIONAL INC [ LII ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief HR Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/09/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, Par Value $0.01 Per Share	12/09/2025		F		531	D	$500.125	31,043	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Monica M. Brown, attorney-in-fact for Daniel M. Sessa	12/10/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Lennox International (LII) report on this Form 4?

The filing reports that Daniel M. Sessa, an executive of Lennox International Inc., disposed of 531 shares of the company’s common stock on 12/09/2025 in a transaction coded "F" at $500.125 per share.

Who is the reporting person on this Lennox International (LII) Form 4?

The reporting person is Daniel M. Sessa, who serves as EVP, Chief HR Officer of Lennox International Inc.

How many Lennox International (LII) shares does Daniel M. Sessa own after the transaction?

After the reported transaction, Daniel M. Sessa beneficially owns 31,043 shares of Lennox International common stock, held in direct ownership.

What was the price per share in the reported Lennox International (LII) transaction?

The 531 shares of Lennox International common stock were disposed of at a price of $500.125 per share.

What type of security was involved in this Lennox International (LII) Form 4?

The transaction involved common stock of Lennox International Inc., with a par value of $0.01 per share.

Is the ownership reported by Daniel M. Sessa in Lennox International (LII) direct or indirect?

The 31,043 shares of Lennox International common stock reported after the transaction are held in direct ownership by Daniel M. Sessa.