# EDGAR Filing Document

**Accession Number:** 0001403680
**File Stem:** 0001127602-25-019552
**Filing Date:** 2025-7
**Character Count:** 10728
**Document Hash:** 57e06ed3f855bd6594fda3ce7550e442
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001127602-25-019552.hdr.sgml**: 20250724

**ACCESSION NUMBER**: 0001127602-25-019552

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250723

**FILED AS OF DATE**: 20250724

**DATE AS OF CHANGE**: 20250724

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Sessa Daniel M
- **CENTRAL INDEX KEY:** 0001403680

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15149
- **FILM NUMBER:** 251145728

**MAIL ADDRESS:**
- **STREET 1:** 2140 LAKE PARK BLVD.
- **CITY:** RICHARDSON
- **STATE:** TX
- **ZIP:** 75080
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** LENNOX INTERNATIONAL INC
- **CENTRAL INDEX KEY:** 0001069202
- **STANDARD INDUSTRIAL CLASSIFICATION:** AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP [3585]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 420991521
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2140 LAKE PARK BLVD
- **CITY:** RICHARDSON
- **STATE:** TX
- **ZIP:** 75080
- **BUSINESS PHONE:** 972-497-5000

**MAIL ADDRESS:**
- **STREET 1:** 2140 LAKE PARK BLVD
- **CITY:** RICHARDSON
- **STATE:** TX
- **ZIP:** 75080

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[x] 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**<sup>*</sup><br>Sessa Daniel M<br><sub>(Last) (First) (Middle)</sub><br>2140 LAKE PARK BLVD.<br><sub>(Street)</sub><br>RICHARDSON, TX 75080<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_EVP, Chief HR Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>LENNOX INTERNATIONAL INC [ LII ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 54 | D | $658.61 | 34302 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 32 | D | $661.51 | 34270 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 147 | D | 663.2369<sup>(1)</sup> | 34123 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 16 | D | $663.76 | 34107 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 66 | D | 669.1252<sup>(2)</sup> | 34041 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 21 | D | 670.2714<sup>(3)</sup> | 34020 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 35 | D | $672.00 | 33985 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 21 | D | 673.3705<sup>(4)</sup> | 33964 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 65 | D | 674.6431<sup>(5)</sup> | 33899 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 62 | D | 677.0561<sup>(6)</sup> | 33837 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 43 | D | 678.6591<sup>(7)</sup> | 33794 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 52 | D | 680.0004<sup>(8)</sup> | 33742 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 4 | D | 681.5575<sup>(9)</sup> | 33738 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 7 | D | $682.91 | 33731 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 4 | D | 685.325<sup>(10)</sup> | 33727 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 10 | D | $687.63 | 33717 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-07-23 |  | S |  | 2143 | D | $670.00 | 31574 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Reflects a weighted average sale price of $663.2369 at prices ranging from $662.560 to $663.370 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(2) Reflects a weighted average sale price of $669.1252 at prices ranging from $669.030 to $670.010 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(3) Reflects a weighted average sale price of $670.2714 at prices ranging from $670.090 to $670.290 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(4) Reflects a weighted average sale price of $673.3705 at prices ranging from $673.040 to $673.970 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(5) Reflects a weighted average sale price of $674.6431 at prices ranging from $674.400 to $675.000 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(6) Reflects a weighted average sale price of $677.0561 prices ranging from $676.950 to $677.270 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(7) Reflects a weighted average sale price of $678.6591 at prices ranging from $678.350 to $678.880 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(8) Reflects a weighted average sale price of $680.0004 at prices ranging from $679.840 to $680.100 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(9) Reflects a weighted average sale price of $681.5575 at prices ranging from $681.360 to $681.710 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

(10) Reflects a weighted average sale price of $685.325 at prices ranging from $685.100 to $686.000 per share. The Reporting Person will provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

**Signature:** /s/ Monica M. Brown, attorney-in-fact for Daniel M. Sessa  
**Date:** 2025-07-24

### Remarks:

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.**