Lennox International EVP Nassab sells 245 shares

The issuer disposition and the 245-share sale carried separate reported prices per share.

Available on EDGAR 11/10/2026 - 03:20 PM EST Accepted by SEC EDGAR 11/10/2026 - 03:20 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Joseph Nassab, Lennox International Inc.’s EVP and president of Building Climate Solutions, exercised 1,517 non-qualified stock appreciation rights on November 9, 2026, at an exercise price of $257.08 per share, acquiring 1,517 common shares. That day, he returned 1,272 shares to the issuer at $350.465 per share and sold 245 shares at $350.265 per share. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Exercise and sale activity reported; no spread calculated

Exercise and Sale 4 txns

Insider Nassab Joseph

Role EVP & Pres., Bldg Climate Sol.

Sold 245 shs ($86K)

Approx. gross sale proceeds $86K

Approx. exercise cost $390K

Type	Security	Shares	Price	Value
Exercise	Non-qualified Stock Appreciation Right F1	1,517	$0.00	$0.00
Exercise	Common Stock, Par Value $0.01 Per Share	1,517	$257.08	$390K
Disposition	Common Stock, Par Value $0.01 Per Share	1,272	$350.465	$446K
Sale	Common Stock, Par Value $0.01 Per Share	245	$350.265	$86K

Holdings After Transaction: Non-qualified Stock Appreciation Right — 0 rights (Direct); Common Stock, Par Value $0.01 Per Share — 11,063 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Stock appreciation rights exercised: 1,517 rights Exercise price: $257.08 per share Common shares acquired: 1,517 shares +4 more

7 metrics

Stock appreciation rights exercised 1,517 rights November 9, 2026

Exercise price $257.08 per share Rights exercised on November 9, 2026

Common shares acquired 1,517 shares Through the exercise on November 9, 2026

Shares returned to issuer 1,272 shares November 9, 2026

Price for shares returned to issuer $350.465 per share November 9, 2026

Shares sold 245 shares November 9, 2026

Sale price $350.265 per share November 9, 2026

Key Terms

Non-qualified Stock Appreciation Right, exercise price, Disposition to issuer

3 terms

Non-qualified Stock Appreciation Right financial

"exercised 1,517 non-qualified stock appreciation rights"

exercise price financial

"at an exercise price of $257.08 per share"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

Disposition to issuer financial

"Disposition to issuer"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many LII shares did Joseph Nassab report acquiring and disposing of?

Joseph Nassab acquired 1,517 common shares through an exercise of stock appreciation rights on November 9, 2026. That day, he returned 1,272 shares to the issuer and sold 245 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Nassab Joseph

(Last) (First) (Middle)

2140 LAKE PARK BLVD.

(Street)

RICHARDSON TEXAS 75080

(City) (State) (Zip)

UNITED STATES

(Country)

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 & Pres., Bldg Climate Sol.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/09/2026

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

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

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

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	11/09/2026		M		1,517	A	$257.08	12,580	D
Common Stock, Par Value $0.01 Per Share	11/09/2026		D		1,272	D	$350.465	11,308	D
Common Stock, Par Value $0.01 Per Share	11/09/2026		S		245	D	$350.265	11,063	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
Non-qualified Stock Appreciation Right	$257.08	11/09/2026		M			1,517	12/13/2020(1)	12/13/2026	Common Stock, Par Value $0.01 Per Share	1,517	$0	0	D

Explanation of Responses:

1. 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.

Remarks:

	/s/ Monica M. Brown, attorney-in-fact for Mr. Joseph Nassab	11/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)