Welcome to our dedicated page for Lennox International SEC filings (Ticker: LII), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This page provides access to U.S. Securities and Exchange Commission filings for Lennox International Inc. (NYSE: LII), a manufacturer of energy-efficient climate-control solutions for residential and commercial customers. These regulatory documents offer detailed information on Lennox’s financial performance, segment results, capital allocation, governance practices, and material corporate events.
Through periodic and current reports, investors can review how Lennox’s Home Comfort Solutions and Building Climate Solutions segments are performing, along with disclosures on revenue, operating income, and other key metrics. Current reports on Form 8-K include items such as quarterly earnings press releases under “Results of Operations and Financial Condition” and updates on compensation and governance matters, for example the approval of a new Long-Term Incentive Award Agreement for U.S. employees at the vice president level and above.
Annual reports on Form 10-K and quarterly reports on Form 10-Q (when available in the filing list) typically contain segment discussions, risk factors, and details on markets such as residential HVAC, commercial HVAC, and refrigeration. Filings may also describe acquisitions, including the purchase of NSI Industries’ HVAC division with the Duro Dyne and Supco brands, and other strategic actions that affect Lennox’s parts and supplies portfolio.
On Stock Titan, Lennox filings are updated in near real time from the SEC’s EDGAR system. AI-powered summaries help explain the contents of lengthy documents, highlight important changes, and clarify technical language around topics like incentive compensation plans or segment performance. Users can quickly scan 10-Ks, 10-Qs, 8-Ks, and other forms, and drill down into specific items such as executive incentive arrangements or earnings releases without reading every page.
Lennox International (LII) director Todd J. Teske filed a Form 4 reporting an open-market sale of common stock. On 11/11/2025, he sold 600 shares at a weighted average price of $491.85, with individual trades executed between $491.64 and $492.49.
Following the transaction, Teske beneficially owns 7,581 shares, held directly. The price range disclosure indicates multiple trade executions, and the reporting person noted they will provide full breakdowns upon request.
Lennox International (LII) reported an insider transaction by EVP and Chief Legal Officer Monica M. Brown on 11/11/2025. She exercised non‑qualified stock appreciation rights (transaction code M) at $214.63, acquiring 772 shares, and sold 444 shares at $491.40 (code D).
Following these transactions, she beneficially owned 1,445 shares directly. The SARs were part of a grant that became fully exercisable on 12/07/2021 and carry an expiration date of 12/07/2025.
A shareholder filed a Form 144 notice for a proposed sale of 600 shares of common stock on the NYSE. The filing lists an aggregate market value of $295,111.62 and an approximate sale date of 11/11/2025, with Fidelity Brokerage Services LLC as broker. The shares were acquired through restricted stock vesting in two tranches: 295 (acquired 12/11/2023) and 305 (acquired 05/16/2024), both as compensation. Shares outstanding were 35,072,782 as of the filing’s reference.
Lennox International Inc. filed an automatic shelf registration on Form S-3, allowing it to offer, from time to time after effectiveness, debt securities (which may be guaranteed), common stock, preferred stock, warrants, depositary shares, and units. Specific terms and pricing will be set in future prospectus supplements.
Potential guarantors for the debt securities include several wholly owned subsidiaries listed in the filing. Securities may be sold directly, through agents, dealers, or underwriters, with methods and fees disclosed in each supplement. Unless otherwise stated in a supplement, any net proceeds will be used for general corporate purposes, including working capital, capital expenditures, acquisitions, debt repayment or refinancing, and repurchases or redemptions. Lennox’s common stock trades on the NYSE under “LII.” Shares outstanding were 35,073,516 as of September 30, 2025; this is a baseline figure, not the amount being offered.
Lennox International (LII) reported mixed Q3 2025 results. Net sales were $1,426.8 million, down 5% year over year, while operating income rose 2% to $310.2 million. Net income was $245.8 million, and diluted EPS increased to $6.98 from $6.68.
Segment performance diverged. Home Comfort Solutions sales fell 12% to $912.9 million with profit down $23.6 million, as a 23% volume decline outweighed pricing/mix gains. Building Climate Solutions sales rose 10% to $513.9 million and profit increased $28.1 million on favorable price and mix.
Year to date, sales were $4,000.3 million with operating income of $819.8 million. Cash and cash equivalents were $52.9 million as of September 30, 2025, reflecting debt repayments and buybacks; inventories were $991.5 million. The company repurchased $332.3 million of stock and paid $127 million in dividends.
Balance sheet and subsequent events: $157.0 million of commercial paper was outstanding, and $300.0 million of 2020 notes were repaid on August 1, 2025. After quarter end, Lennox acquired Duro Dyne and Supco for $546.3 million and entered a $300.0 million Term Credit Agreement maturing October 16, 2027.
Lennox International Inc. (LII) reported a routine update. The company furnished an Item 2.02 current report noting it issued a press release announcing financial results for the third quarter of 2025. The press release is attached as Exhibit 99.1. This filing provides notice of the disclosure; detailed results are contained in the accompanying press release dated October 22, 2025.
Lennox International (LII) director Sivasankaran Somasundaram reported acquiring 50 shares of common stock on 10/10/2025 at $524.5 per share. Following this transaction, the filing lists 667 shares beneficially owned, held directly. The acquisition reflects a quarterly retainer paid in stock.
Lennox International insider Chris Kosel, listed as Vice President, Corporate Controller and CAO, reported a sale of 300 shares of Lennox common stock on 08/22/2025 at an average price of $591.8601 per share. After the sale, Mr. Kosel beneficially owned 1,282 shares directly. The Form 4 was signed on behalf of Mr. Kosel by an attorney-in-fact on 08/25/2025.
Lennox International Inc. (LII) notice records a proposed sale of 300 common shares acquired by the holder through restricted stock vesting on 03/14/2025. The filer plans an approximate sale date of 08/22/2025 on the NYSE through Fidelity Brokerage Services LLC. The reported aggregate market value of the 300 shares at filing is $177,558.03 and total shares outstanding are shown as 35,124,281, indicating the transaction represents a very small fraction of the company’s outstanding common stock. The filing includes the seller’s representation that they are not aware of any undisclosed material adverse information about the issuer.
Karen H. Quintos, a director of Lennox International Inc. (LII), sold multiple blocks of common stock on 08/20/2025. The Form 4 shows a series of open-market dispositions: 30, 75, 115, 4, 61, 10, 40 and 30 shares at prices ranging from $607.77 to $609.76 per share. After these transactions the filing reports 6,910 shares beneficially owned. The Form 4 was signed by Monica Brown as attorney-in-fact for Ms. Quintos.
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