Company Analysis

Lennox International Inc. (LII)

NYSE: LII · Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip · Richardson, TX · filing with the SEC since 1999
Grade5.3
◀ Past 5.0● Present 6.1▶ Future 4.3

Filings

213 filings since 2017 beside 804 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 28 days after the quarter ended. The proxy statement was last filed Apr 8, 2026.

Filings a yearinsider forms included
12412610483841028961
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 11 times in the last 36 months, the newest Nov 2, 2026.Auditor change (8-K item 4.01): 1 time in the last 36 months, the newest Mar 13, 2025.SEC letters: 3 in the last 36 months, the newest Apr 21, 2025.
Insider forms 804

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 2, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Oct 30, 2026
Oct 28, 2026 10-Q Quarterly report Sep 30, 2026
Oct 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Sep 18, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Sep 16, 2026
Jul 29, 2026 10-Q Quarterly report Jun 30, 2026
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
May 28, 2026 8-K items 5.02, 5.07 Officer or director change; Shareholder vote · Current report May 21, 2026
May 27, 2026 SD Conflict minerals report
Apr 30, 2026 SCHEDULE 13G Large holder notice
Apr 29, 2026 10-Q Quarterly report Mar 31, 2026
Apr 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 22, 2026 SCHEDULE 13G Large holder notice
Apr 8, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 8, 2026 DEFA14A Extra proxy material
Apr 8, 2026 DEF 14A Proxy statement May 21, 2026
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 17, 2026 10-K Annual report Dec 31, 2025
Feb 13, 2026 SCHEDULE 13G Large holder notice
Jan 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Dec 5, 2025 8-K items 5.02, 9.01 Officer or director change · Current report Dec 4, 2025
Oct 24, 2025 S-3ASR Shelf registration
Oct 22, 2025 10-Q Quarterly report Sep 30, 2025
Oct 22, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 23, 2025 10-Q Quarterly report Jun 30, 2025
Jul 23, 2025 8-K items 2.02, 9.01 Results released · Current report
Jun 23, 2025 SCHEDULE 13D/A Activist holder update, amended
May 28, 2025 SD Conflict minerals report
May 27, 2025 8-K items 5.02, 5.07, 9.01 Officer or director change; Shareholder vote · Current report May 22, 2025
May 14, 2025 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report May 9, 2025
Apr 23, 2025 10-Q Quarterly report Mar 31, 2025
Apr 23, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 21, 2025 UPLOAD SEC comment letter
Apr 9, 2025 ARS Annual report to shareholders Dec 31, 2024
Apr 9, 2025 DEFA14A Extra proxy material
Apr 9, 2025 DEF 14A Proxy statement May 22, 2025
Mar 13, 2025 8-K items 4.01, 9.01 Auditor change · Current report Mar 7, 2025
Feb 11, 2025 10-K Annual report Dec 31, 2024
Feb 5, 2025 SCHEDULE 13G/A Large holder update, amended
Feb 4, 2025 SCHEDULE 13D Activist holder notice
Jan 29, 2025 8-K items 2.02, 9.01 Results released · Current report
40 of 213 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton LII · research, not advice