# EDGAR Filing Document

**Accession Number:** 0001501979
**File Stem:** 0001127602-25-020771
**Filing Date:** 2025-8
**Character Count:** 8410
**Document Hash:** 0a1dda4d20202c63ec50793c5a77e86e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001127602-25-020771.hdr.sgml**: 20250820

**ACCESSION NUMBER**: 0001127602-25-020771

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250820

**FILED AS OF DATE**: 20250820

**DATE AS OF CHANGE**: 20250820

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Quintos Karen H
- **CENTRAL INDEX KEY:** 0001501979

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-15149
- **FILM NUMBER:** 251236967

**MAIL ADDRESS:**
- **STREET 1:** ONE DELL WAY
- **CITY:** ROUND ROCK
- **STATE:** TX
- **ZIP:** 78682
**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).

[ ] 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>Quintos Karen H<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>2025-08-20 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **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 | 2025-08-20 |  | S |  | 86 | D | $606.81 | 8271 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 40 | D | $606.84 | 8231 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 2 | D | $606.93 | 8229 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 29 | D | $607.05 | 8200 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 40 | D | $607.17 | 8160 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 50 | D | $607.18 | 8110 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $607.20 | 8090 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 10 | D | $607.35 | 8080 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 80 | D | $607.50 | 8000 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 30 | D | $607.60 | 7970 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 40 | D | $607.68 | 7930 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 1 | D | $607.69 | 7929 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 80 | D | $607.73 | 7849 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 30 | D | $607.76 | 7819 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 49 | D | $607.765 | 7770 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $607.80 | 7750 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 110 | D | $607.91 | 7640 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 60 | D | $607.95 | 7580 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $608.14 | 7560 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 10 | D | $608.15 | 7550 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 30 | D | $608.22 | 7520 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 10 | D | $608.37 | 7510 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 30 | D | $608.39 | 7480 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $608.42 | 7460 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $608.48 | 7440 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 10 | D | $608.52 | 7430 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $608.78 | 7410 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 10 | D | $608.84 | 7400 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 20 | D | $608.87 | 7380 | D |  |
| Common Stock, Par Value $0.01 Per Share | 2025-08-20 |  | S |  | 105 | D | $609.10 | 7275 | 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 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Monica Brown, attorney-in-fact for Karen H. Quintos  
**Date:** 2025-08-20

### 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.**