WSO / Watsco, Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

8-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2026 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commis

Watsco, Inc. 517,884 SHARES OF COMMON STOCK

424B7 Filed Pursuant to Rule 424(b)(7) Registration No. 333-282975 PROSPECTUS SUPPLEMENT (To prospectus dated November 4, 2024) Watsco, Inc. 517,884 SHARES OF COMMON STOCK This prospectus supplement relates to the offer and sale by the selling shareholders identified herein of an aggregate of 517,884 shares of Common stock of Watsco, Inc. We issued these shares on June 1, 2026 in a private transac

Security Type

Calculation of Filing Fee Tables S-3 WATSCO INC Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Equity Common stock, par value $0.

8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 4, 2026 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 1, 2026 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2026 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to . Commission file number 1-5581 WATS

FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2026 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

Watsco First Quarter Performance Reflects Stabilizing Markets, Improved Operating Efficiency and Expanded Technology Adoption Company to Acquire Jackson Supply Company, Leading Sunbelt Distributor with Annual Sales of $230 Million

EXHIBIT 99.1 Watsco First Quarter Performance Reflects Stabilizing Markets, Improved Operating Efficiency and Expanded Technology Adoption Company to Acquire Jackson Supply Company, Leading Sunbelt Distributor with Annual Sales of $230 Million MIAMI, FLORIDA – (GLOBENEWSWIRE), April 28, 2026 – Watsco, Inc. (NYSE: WSO) today announced its operating results for the first quarter ended March 31, 2026

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2026 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

ARS

CUL TURE IT’S ALL ABOUT THE ANNUAL REPORT 2025IT’ S WHAT GOT US HERE. IT’ S WHAT GUIDES US FORWARD .Watsco entered the distribution market in 1989 and is the largest distributor in the estimated $74 billion North American market for HVAC products. It is our culture that has mattered most in building Watsco, the continuity of which is assured given the generational nature of our ownership along wit

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  Filed by a Party other than the Registrant  Check the appropriate box:  Preliminary Proxy Statement  Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

SUBSIDIARIES OF THE REGISTRANT

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2025 and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a signific

TWENTY-SEVENTH AMENDMENT EMPLOYMENT AGREEMENT

Exhibit 10.1(bb) TWENTY-SEVENTH AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-seventh Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2026, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an Em

WATSCO, INC. AND SUBSIDIARIES MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Forward-Looking Statements This Annual Report on Form 10-K contains or incorporates by reference statements that are not historical in nature and that are intended to be, and are hereby identified as, “forward-looking statements” as defined in the Private Securities Litiga

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K  Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2025 or  Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from to . Commission File Number 1-5581 WATSC

Watsco Boosts Annual Dividend 10% to $13.20 Per Share

Exhibit 99.2 Watsco Boosts Annual Dividend 10% to $13.20 Per Share MIAMI, FLORIDA — (GLOBENEWSWIRE), February 17, 2026 — Watsco, Inc. (NYSE:WSO) announced that its Board of Directors approved a 10% increase in its annual dividend to $13.20 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company’s next quarterly dividend payment in A

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 7.01 Regulation FD Disclosure. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 17, 2026 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Watsco Reports Record Full-Year Gross Margin, Meets Inventory Reduction Target and Generates Record 4th Quarter Cash Flow in Challenging Market Conditions Boosts Annual Dividend 10% to $13.20 Per Share Entrepreneurial Culture, Transformational Techno

Exhibit 99.1 Watsco Reports Record Full-Year Gross Margin, Meets Inventory Reduction Target and Generates Record 4th Quarter Cash Flow in Challenging Market Conditions Boosts Annual Dividend 10% to $13.20 Per Share Entrepreneurial Culture, Transformational Technologies and Debt-Free Balance Sheet Positions Company for Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), February 17, 2026 – Watsco, Inc. (NYSE:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2025 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to . Commission file number 1-5581

Watsco Reports Record Third Quarter Gross Profit, Gross Margin and Operating Cash Flow in Challenging Market Conditions Strong Balance Sheet and Market-Leading Technologies Enable Continued Investments in Growth

Exhibit 99.1 Watsco Reports Record Third Quarter Gross Profit, Gross Margin and Operating Cash Flow in Challenging Market Conditions Strong Balance Sheet and Market-Leading Technologies Enable Continued Investments in Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), October 29, 2025 – Watsco, Inc. (NYSE: WSO) announced its operating results for the third quarter and nine-month period ended September 30, 2

FORM 8-K Item 2.02 Results of Operations and Financial Condition. Item 7.01 Regulation FD Disclosure. Item 9.01 Financial Statements and Exhibits.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2025 WATSCO, INC. (Exact name of Registrant as Specified in Its Charter) Florida 1-5581 59-0778222 (State or Other Jurisdiction of Incorporation) (Commission File Number)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2025 or ☐ Transition Report Pursuant T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2025 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From          to          Commission file num

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 30, 2025 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (IRS

Watsco Reports Second Quarter 2025 Results and Provides Update on Innovation & Strategic Technology Initiatives Record Gross Profit Margins & Expanded Operating Margins Amidst A2L Product Transition; Strong Balance Sheet Fortifies the Company and Ena

Exhibit 99.1 Watsco Reports Second Quarter 2025 Results and Provides Update on Innovation & Strategic Technology Initiatives Record Gross Profit Margins & Expanded Operating Margins Amidst A2L Product Transition; Strong Balance Sheet Fortifies the Company and Enables Continued Investments in Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), July 30, 2025 – Watsco, Inc. (NYSE: WSO) announced its operating r

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 2, 2025 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (IRS

UNITED STATES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2025 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From          to          Commission file number 1-5581 WATSCO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive

ARS

2665 South Bayshore Drive, Suite 901 Miami, FL 33133 USA 305-714-4100 www.watsco.com ANNUAL REPORT 2024 2665 South Bayshore Drive, Suite 901 Miami, FL 33133 USA 305-714-4100 www.watsco.com THE POWER OF COLLABORATION WATSCO, INC. 2024 ANNUAL REPORTOVER THE LAST THREE DECADES, Watsco has built wonderful relationships with the industry’s most prominent family busi- nesses. When the time is right, and

Watsco’s First Quarter Reflects Large-Scale Product Transition, Strong Sales Growth and Expanded Margins in Core Replacement Market Debt-Free Balance Sheet, Industry-Leading Technology and Scale Create Competitive Advantage; Business Trends Improve A

Exhibit 99.1 Watsco’s First Quarter Reflects Large-Scale Product Transition, Strong Sales Growth and Expanded Margins in Core Replacement Market Debt-Free Balance Sheet, Industry-Leading Technology and Scale Create Competitive Advantage; Business Trends Improve Ahead of Summer Selling Season MIAMI, FLORIDA – (GLOBENEWSWIRE), April 23, 2025 – Watsco, Inc. (NYSE: WSO) announced its operating results

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 23, 2025 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2024 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from     to      Commission File Number 1-558

Insider Trading Policy. #

Exhibit 19 WATSCO, INC. SECURITIES TRADING GUIDELINES A. OBJECTIVE Purchases or sales of Watsco, Inc.’s (the “Company”) Common Stock or Class B Common Stock by insiders at a time when there is material information about the Company which is not generally known to the investing public may result in violations of the anti-fraud and anti-manipulative provisions of the federal securities laws and rela

Twenty-sixth Amendment dated January 1, 2025 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad. *#

Exhibit 10.1(bb) TWENTY-SIXTH AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-sixth Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2025, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an Employ

2024 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 7, 8 and 9 of this Annual Report on Form 10-K, the 2024 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Forward-Looking Statements This Annual Report on Form 10-K contains or incorporates by reference statements that are not historical in nature and that are intended to be, and are hereby identified as, “forward-looking statements” as defined in the Private Securities Litiga

Subsidiaries of the Registrant. #

EX-21.1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2024, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 18, 2025 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number)

Watsco Reports Record Fourth Quarter Sales, Expanded Margins and Record Cash Flow Boosts Annual Dividend 11% to $12.00 Per Share Entrepreneurial Culture, Transformational Technologies and Debt-Free Balance Sheet Continue to Produce Results and Provid

Exhibit 99.1 Watsco Reports Record Fourth Quarter Sales, Expanded Margins and Record Cash Flow Boosts Annual Dividend 11% to $12.00 Per Share Entrepreneurial Culture, Transformational Technologies and Debt-Free Balance Sheet Continue to Produce Results and Provide Long-Term Opportunities MIAMI, FLORIDA – (GLOBENEWSWIRE), February 18, 2025 – Watsco, Inc. (NYSE: WSO) reported fourth quarter and full

Watsco Boosts Annual Dividend 11% to $12.00 Per Share

Exhibit 99.2 Watsco Boosts Annual Dividend 11% to $12.00 Per Share MIAMI, FLORIDA — (GLOBENEWSWIRE), February 18, 2025 — Watsco, Inc. (NYSE:WSO) announced that its Board of Directors approved an 11% increase in its annual dividend to $12.00 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company’s next quarterly dividend payment in

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) November 14, 2024 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number)

LETTER

November 15, 2024 Ana Menendez Chief Financial Officer Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, FL 33133 Re: Watsco, Inc. Form 10-K for Fiscal Year Ended December 31, 2023 File No. 001-05581 Dear Ana Menendez: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstan

Amended and Restated Twenty-Fifth Amendment to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad.

Exhibit 10.1 AMENDED AND RESTATED TWENTY-FIFTH AMENDMENT TO EMPLOYMENT AGREEMENT This Amended and Restated Twenty-Fifth Amendment to Employment Agreement is made and entered into on November 14, 2024, effective as of the 1st day of January 2024, by and between WATSCO, INC., a Florida corporation (the “Company”), and ALBERT H. NAHMAD (the “Employee”), and amends and restates in its entirety that ce

WSO / Watsco, Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us9426222009110824.txt us9426222009110824.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

$400,000,000 Watsco, Inc. Common stock

Filed pursuant to Rule 424(b)(5) Registration No. 333-282975 PROSPECTUS SUPPLEMENT (To Prospectus dated November 4, 2024) $400,000,000 Watsco, Inc. Common stock We have entered into a third amended and restated sales agreement, dated May 3, 2024, which we refer to as the third amended and restated sales agreement, with Robert W. Baird & Co. Incorporated, referred to as Baird or the agent, relating

Calculation of Filing Fee Tables Form 424(b)(5) (Form Type) Watsco, Inc . (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables Form 424(b)(5) (Form Type) Watsco, Inc .

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables S-3 (Form Type) Watsco, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate  Amount of Registration Fee Carry Forward

As filed with the Securities and Exchange Commission on November 4, 2024

As filed with the Securities and Exchange Commission on November 4, 2024 Registration No.

Opinion of Greenberg Traurig, P.A. (Dividend Reinvestment Plan)

EX-5.3 Exhibit 5.3 November 4, 2024 Watsco, Inc. 2665 South Bayshore Drive Suite 901 Miami, Florida 33133 Re: Registration Statement on Form S-3 Ladies and Gentlemen: We have acted as counsel to Watsco, Inc., a Florida corporation (the “Company”), in connection with the Company’s registration of 299,993 shares of the Company’s Common stock, par value $0.50 per share, and 286,609 shares of the Comp

Watsco, Inc. WATSCO, INC. DIVIDEND REINVESTMENT PLAN 300,000 SHARES OF COMMON STOCK 300,000 SHARES OF CLASS B COMMON STOCK

Filed Pursuant to Rule 424(b)(5) Registration No. 333-282975 PROSPECTUS SUPPLEMENT (To prospectus dated November 4, 2024) Watsco, Inc. WATSCO, INC. DIVIDEND REINVESTMENT PLAN 300,000 SHARES OF COMMON STOCK 300,000 SHARES OF CLASS B COMMON STOCK Watsco, Inc. (“Watsco”) is offering its existing shareholders the opportunity to acquire shares of Common stock or Class B common stock through its Dividen

Calculation of Filing Fee Table Form 424(b) (5) (Form Type) Watsco, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table Form 424(b) (5) (Form Type) Watsco, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2024 or ☐ Transition Report Pursu

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2024 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From         to         Commission file

Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, Florida 33133

Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, Florida 33133 October 29, 2024 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance Office of Trade and Services 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: Scott Stringer Joel Parker RE: Watsco, Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 Filed February 23, 2024 File No. 001-0

WSO / Watsco, Inc. / BlackRock, Inc. Passive Investment

SC 13G/A 1 us9426222009102324.txt us9426222009102324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 23, 2024 WATSCO, INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 23, 2024 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (

Watsco Reports Record Sales, Enhanced Operating Efficiency, Strong Cash Flow and Improving Business Trends Entrepreneurial Culture, Debt-Free Balance Sheet, Leading Technologies and Upcoming Regulatory Change Support Long-Term Investment and Growth

Exhibit 99.1 Watsco Reports Record Sales, Enhanced Operating Efficiency, Strong Cash Flow and Improving Business Trends Entrepreneurial Culture, Debt-Free Balance Sheet, Leading Technologies and Upcoming Regulatory Change Support Long-Term Investment and Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), October 23, 2024 – Watsco, Inc. (NYSE: WSO) announced its results for the third quarter and nine-month p

LETTER

October 15, 2024 Ana Menendez Chief Financial Officer Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, FL 33133 Re: Watsco, Inc. Form 10-K for Fiscal Year Ended December 31, 2023 File No. 001-05581 Dear Ana Menendez: We have reviewed your filing and have the following comment(s). Please respond to this letter within ten business days by providing the requested information or advise us as s

WSO / Watsco, Inc. / FMR LLC Passive Investment

SCHEDULE 13G Amendment No.0 WATSCO INC COMMON STOCK Cusip #942622200 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #942622200 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 2,669,887 Item 6: 0 Item 7: 3,652,759 Item 8: 0 Item 9: 3,652,759 Item 11: 10.512% Ite

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2024 or ☐ Transition Report Pursuant T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2024 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From          to          Commission file num

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 30, 2024 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (IRS

Watsco Reports Record Sales, Enhanced Operating Efficiency and Strong Cash Flow During Second Quarter Continued Customer Adoption of Industry-Leading Technologies Helps Drive Share Gains; Debt-Free Balance Sheet Supports Long-Term Investment and Grow

Exhibit 99.1 Watsco Reports Record Sales, Enhanced Operating Efficiency and Strong Cash Flow During Second Quarter Continued Customer Adoption of Industry-Leading Technologies Helps Drive Share Gains; Debt-Free Balance Sheet Supports Long-Term Investment and Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), July 30, 2024 – Watsco, Inc. (NYSE: WSO) announced its operating results for the second quarter and

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 3, 2024 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2024 or ☐ Transition Report Pursuant

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2024 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From         to         Commission file numb

Calculation of Filing Fee Table Form 424(b)(5) (Form Type) Watsco, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward

Exhibit 107 Calculation of Filing Fee Table Form 424(b)(5) (Form Type) Watsco, Inc.

Third Amended and Restated Sales Agreement dated May 3, 2024, by and between Watsco, Inc. and Robert W. Baird & Co. Incorporated.

Exhibit 10.1 EXECUTION VERSION WATSCO, INC. Common Stock ($0.50 par value per share) Third Amended and Restated Sales Agreement May 3, 2024 Robert W. Baird & Co. Incorporated 777 East Wisconsin Avenue Milwaukee, Wisconsin 53202 Ladies and Gentlemen: Watsco, Inc., a Florida corporation (the “Company”), confirms its agreement (this “Agreement”) with Robert W. Baird & Co. Incorporated (the “Agent”),

$400,000,000 Watsco, Inc. Common stock

Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-260758 Supplement No. 3 dated May 3, 2024 To Prospectus Supplement dated November 4, 2021 as supplemented by Supplement No 1., dated February 25, 2022 as supplemented further by Supplement No 2., dated November 3, 2023 (To Prospectus dated November 4, 2021) $400,000,000 Watsco, Inc. Common stock This supplement no. 3, referred

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Definitive

ARS

ENTREPRENEURSHIP LONG - TERM VISION INNOVATION OWNERSHIP + = + + WATSCO CULTURE 2023 ANNUAL REPORT FROM FORTUNE ©2023 FORTUNE MEDIA IP LIMITED.

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 24, 2024 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Number) (IR

Watsco Reports Record First Quarter Sales, Record Cash Flow and Improving Business Trends Ahead of Summer Selling Season Continued Customer Adoption of Industry-Leading Technologies Drives Share Gains; Company Strengthens Balance Sheet for Long-Term

Exhibit 99.1 Watsco Reports Record First Quarter Sales, Record Cash Flow and Improving Business Trends Ahead of Summer Selling Season Continued Customer Adoption of Industry-Leading Technologies Drives Share Gains; Company Strengthens Balance Sheet for Long-Term Investment and Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), April 24, 2024 – Watsco, Inc. (NYSE: WSO) announced its operating results for the

WSO / Watsco, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Watsco Inc Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: March 28, 2024 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d-1(

Watsco, Inc. WATSCO, INC. DIVIDEND REINVESTMENT PLAN 300,000 SHARES OF COMMON STOCK 300,000 SHARES OF CLASS B COMMON STOCK

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-260758 PROSPECTUS SUPPLEMENT (To prospectus dated November 4, 2021) Watsco, Inc. WATSCO, INC. DIVIDEND REINVESTMENT PLAN 300,000 SHARES OF COMMON STOCK 300,000 SHARES OF CLASS B COMMON STOCK Watsco, Inc. (“Watsco”) is offering its existing shareholders the opportunity to acquire shares of Common stock or Class B common stock t

Calculation of Filing Fee Table Form 424(b)(5) (Form Type) Watsco, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Table Form 424(b)(5) (Form Type) Watsco, Inc.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) March 29, 2024 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Subsidiaries of the Registrant. #

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2023, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a signifi

Twenty-fifth Amendment dated January 1, 2024 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad.*#

EXHIBIT 10.1(z) TWENTY-FIFTH AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-fifth Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2024, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an Employm

Policy Relating to Recovery of Erroneously Awarded Compensation. #

EXHIBIT 97.1 WATSCO, INC. EXECUTIVE CLAWBACK POLICY Approved by the Board of Directors on December 1, 2023 (the “Adoption Date”) I. Purpose This Executive Clawback Policy describes the circumstances under which Covered Persons of Watsco, Inc., a Florida corporation, and any of its direct or indirect subsidiaries (collectively, the “Company”) will be required to repay or return Erroneously-Awarded

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2023 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from      to      Commission File Number 1-55

2023 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 7, 8 and 9 of this Form 10-K, the 2023 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Forward-Looking Statements This Annual Report on Form 10-K contains or incorporates by reference statements that are not historical in nature and that are intended to be, and are hereby identified as, “forward-looking statements” as defined in the Private Securities Litiga

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) February 15, 2024 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number)

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 13, 2024 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

WSO / Watsco, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02260-watscoinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Watsco Inc Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule purs

Watsco Boosts Annual Dividend 10% to $10.80 Per Share

Exhibit 99.2 Watsco Boosts Annual Dividend 10% to $10.80 Per Share MIAMI, FLORIDA — (GLOBENEWSWIRE), February 13, 2024 — Watsco, Inc. (NYSE:WSO) announced that its Board of Directors approved a 10% increase in its annual dividend to $10.80 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company’s next quarterly dividend payment in A

Watsco Reports Strong 2023 Performance Gaining Share in a Soft Market Boosts Annual Dividend 10% to $10.80 Per Share Entrepreneurial Culture, Transformational Technologies, Strong Financial Position Continue to Provide Results and Significant Opportu

Exhibit 99.1 Watsco Reports Strong 2023 Performance Gaining Share in a Soft Market Boosts Annual Dividend 10% to $10.80 Per Share Entrepreneurial Culture, Transformational Technologies, Strong Financial Position Continue to Provide Results and Significant Opportunities MIAMI, FLORIDA – (GLOBENEWSWIRE), February 13, 2024 – Watsco, Inc. (NYSE: WSO) reported its results for the fourth quarter and ful

WSO / Watsco, Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us9426222009012324.txt us9426222009012324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

$300,000,000 Watsco, Inc. Common stock

Filed pursuant to Rule 424(b)(5) Registration No. 333-260758 Supplement No. 2 dated November 3, 2023 To Prospectus Supplement dated November 4, 2021 as supplemented by Supplement No 1., dated February 25, 2022 (To Prospectus dated November 4, 2021) $300,000,000 Watsco, Inc. Common stock This supplement no. 2, referred to as this Supplement, supplements certain information contained in the prospect

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2023 or ☐ Transition Report Pursu

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2023 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From          to          Commission fil

Second Amended and Restated Sales Agreement dated November 3, 2023, by and between Watsco, Inc. and Robert W. Baird & Co. Incorporated.

EXHIBIT 10.1 WATSCO, INC. Common Stock ($0.50 par value per share) Second Amended and Restated Sales Agreement November 3, 2023 Robert W. Baird & Co. Incorporated 777 East Wisconsin Avenue Milwaukee, Wisconsin 53202 Ladies and Gentlemen: Watsco, Inc., a Florida corporation (the “Company”), confirms its agreement (this “Agreement”) with Robert W. Baird & Co. Incorporated (the “Agent”), as follows.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 19, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) June 5, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commissio

Watsco Reports Record-Breaking Third Quarter Sales, Operating Income, Net Income and EPS at Record Levels Improved Productivity and Operating Efficiency Drive Record Operating Margin; Strong Balance Sheet Well-Positioned for Investment

Exhibit 99.1 Watsco Reports Record-Breaking Third Quarter Sales, Operating Income, Net Income and EPS at Record Levels Improved Productivity and Operating Efficiency Drive Record Operating Margin; Strong Balance Sheet Well-Positioned for Investment MIAMI, FLORIDA – (GLOBENEWSWIRE), October 19, 2023 – Watsco, Inc. (NYSE: WSO) announced its results for the third quarter and nine-month period ended S

Calculation of Filing Fee Table Form 424(b)(7) (Form Type) Watsco, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Table Form 424(b)(7) (Form Type) Watsco, Inc.

Watsco, Inc. 258,987 SHARES OF COMMON STOCK

Table of Contents Filed Pursuant to Rule 424(b)(7) Registration No. 333-260758 PROSPECTUS SUPPLEMENT (To prospectus dated November 4, 2021) Watsco, Inc. 258,987 SHARES OF COMMON STOCK This prospectus supplement relates to the offer and sale by the selling shareholders identified herein of an aggregate of 258,987 shares of Common stock of Watsco, Inc. We issued these shares on September 1, 2023 in

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) September 1, 2023 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number)

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2023 or ☐ Transition

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2023 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 WATSCO,

Watsco Reports Strong Second Quarter Results Entrepreneurial Culture, Industry Scale, Technology Transformation and Regulatory Changes Contribute to Strong Margins and Support Long-Term Growth

EX-99.1 Exhibit 99.1 Watsco Reports Strong Second Quarter Results Entrepreneurial Culture, Industry Scale, Technology Transformation and Regulatory Changes Contribute to Strong Margins and Support Long-Term Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), August 1, 2023 – Watsco, Inc. (NYSE: WSO) announced its operating results for the second quarter and six-month period ended June 30, 2023. Commentary wa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2023 WATSCO, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 1, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 5, 2023 WATSCO, INC. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 5, 2023 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 5, 2023 WATSCO, INC. (Exact na

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) May 5, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IRS E

Twenty-fourth Amendment dated January 1, 2023 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad.

EX-10.1 Exhibit 10.1 TWENTY-FOURTH AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-fourth Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2023, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2023 or ☐ Transition Report Pursuant

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2023 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

ARS

WATSCO 2022 WHAT DEFINES US ANNUAL REPORT 2665 South Bayshore Drive, Suite 901 Miami, FL 33133 USA 305-714-4100 www.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

Letter of KPMG LLP, dated April 24, 2023

EX-16.1 Exhibit 16.1 April 24, 2023 Securities and Exchange Commission Washington, D.C. 20549 Ladies and Gentlemen: We are currently principal accountants for Watsco, Inc. and, under the date of February 24, 2023, we reported on the consolidated financial statements of Watsco, Inc. and subsidiaries as of and for the years ended December 31, 2022 and 2021, and the effectiveness of internal control

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 18, 2023 WATSCO, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 18, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Watsco Reports First Quarter EPS of $2.83 on Record Sales Entrepreneurial Culture, Industry Scale, Technology Adoption and Regulatory Changes Contribute to Strong Margins and Support Long-Term Growth

EX-99.1 Exhibit 99.1 Watsco Reports First Quarter EPS of $2.83 on Record Sales Entrepreneurial Culture, Industry Scale, Technology Adoption and Regulatory Changes Contribute to Strong Margins and Support Long-Term Growth MIAMI, FLORIDA – (GLOBENEWSWIRE), April 20, 2023 – Watsco, Inc. (NYSE: WSO) announced its operating results for the first quarter ended March 31, 2023 and provided commentary on b

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 20, 2023 WATSCO, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 20, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Credit Agreement, dated as of March 16, 2023, by and among Watsco, Inc., Watsco Canada, Inc. and Carrier Enterprise Mexico, S. de R.L. de C.V., as Borrowers, the Other Lenders From Time to Time Party Thereto, Bank of America, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, JPMorgan Chase Bank, N.A. as Syndication Agent and U.S. Bank National Association and Wells Fargo Bank, National Association as Co-Documentation Agents.

EX-10.1 EXHIBIT 10.1 Published CUSIP Number: 94262PAK6 Revolver CUSIP Number: 94262PAL4 MXN REV CUSIP: 94262PAM2 CREDIT AGREEMENT Dated as of March 16, 2023 among WATSCO, INC., WATSCO CANADA, INC., CARRIER ENTERPRISE MEXICO, S. DE R.L. DE C.V. and CERTAIN SUBSIDIARIES as Borrowers, BANK OF AMERICA, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, and THE OTHER LENDERS PARTY HERETO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 16, 2023 WATSCO, INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) March 16, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

2022 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 7, 8 and 9 of this Form 10-K, the 2022 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Forward-Looking Statements This Annual Report on Form 10-K contains or incorporates by reference statements that are not historical in nature and that are intended to be, and are hereby identified as, “forward-looking statements” as defined in the Private Securities Litiga

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2022 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from to Commission File Number 1-5581 WATSCO,

Subsidiaries of the Registrant. #

EX-21.1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2022, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a

Watsco Reports Record Fourth Quarter and Record 2022 Performance Record Fourth Quarter EPS Generated by Record Sales, Gross Margins and Operating Efficiencies. Full-Year 2022 16% Sales Growth Leads to Record Profits, Operating Margin, EPS and Cash Fl

1 Exhibit 99.1 Watsco Reports Record Fourth Quarter and Record 2022 Performance Record Fourth Quarter EPS Generated by Record Sales, Gross Margins and Operating Efficiencies. Full-Year 2022 16% Sales Growth Leads to Record Profits, Operating Margin, EPS and Cash Flow. MIAMI, FLORIDA – (GLOBENEWSWIRE), February 16, 2023 – Watsco, Inc. (NYSE: WSO) announced record operating results for the fourth qu

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 16, 2023 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

WSO / Watsco Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv02228-watscoinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Watsco Inc. Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pur

WSO / Watsco Inc / BlackRock Inc. Passive Investment

SC 13G 1 us9426222009012423.txt us9426222009012423.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: ) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

WSO / Watsco Inc / BAILLIE GIFFORD & CO Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 WATSCO, INC. (Amendment No.2) - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) 30 DECEMBER 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2022 or ☐ Transition Report Pursu

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2022 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.

Watsco Boosts Annual Dividend 11% to $9.80 Per Share

Exhibit 99.2 Watsco Boosts Annual Dividend 11% to $9.80 Per Share MIAMI, FLORIDA ? (GLOBENEWSWIRE), October 20, 2022 ? Watsco, Inc. (NYSE:WSO) announced today that its Board of Directors has approved an 11% increase in its annual dividend to $9.80 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company?s quarterly dividend payment b

Watsco Reports Record-Breaking Third Quarter Raises Dividend to $9.80 Per Share

Exhibit 99.1 Watsco Reports Record-Breaking Third Quarter Raises Dividend to $9.80 Per Share MIAMI, FLORIDA ? (GLOBENEWSWIRE), October 20, 2022 ? Watsco, Inc. (NYSE: WSO) announced record operating results for the third quarter and nine-month periods ended September 30, 2022 and provided commentary on trends, growth opportunities, technology innovation and financial strength. Watsco also announced

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 20, 2022 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (

LETTER

United States securities and exchange commission logo August 29, 2022 Ana Mendendez Chief Financial Officer Watsco, Inc.

Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, Florida 33133

Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, Florida 33133 August 26, 2022 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance Office of Trade and Services 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: TaTanisha Meadows Adam Phippen RE: Watsco, Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed February 25, 2022 Form 10-Q f

LETTER

United States securities and exchange commission logo August 18, 2022 Ana Mendendez Chief Financial Officer Watsco, Inc.

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Perio d Ended June 30, 2022 or ☐ Transitio

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Perio d Ended June 30, 2022 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 26, 2022 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

Watsco Reports Record-Breaking Second Quarter EPS Jumps 33% to $4.93 on Record Sales, Operating Profit, Operating Margin and Net Income Market Share Gains Realized by Industry-Leading Technologies, Entrepreneurial Culture, Scale Advantage, Strong Bal

Exhibit 99.1 Watsco Reports Record-Breaking Second Quarter EPS Jumps 33% to $4.93 on Record Sales, Operating Profit, Operating Margin and Net Income Market Share Gains Realized by Industry-Leading Technologies, Entrepreneurial Culture, Scale Advantage, Strong Balance Sheet, Brand Diversification, ESG Focus MIAMI, FLORIDA ? (GLOBENEWSWIRE), July 26, 2022 ? Watsco, Inc. (NYSE: WSO) announced record

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 6, 2022 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

UNITED STATES

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2022 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 d275224ddef14a.htm DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commissi

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 21, 2022 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Watsco EPS Jumps 109% to $2.90, Reflecting Record Sales, Operating Profit, Operating Margin and Net Income Strong Sales Growth, Higher Margins and Operating Efficiencies Drive Performance Customer Adoption of Transformative Technologies Grows as Busi

Exhibit 99.1 Watsco EPS Jumps 109% to $2.90, Reflecting Record Sales, Operating Profit, Operating Margin and Net Income Strong Sales Growth, Higher Margins and Operating Efficiencies Drive Performance Customer Adoption of Transformative Technologies Grows as Business Evolution Continues Dividend Raised 13% to $8.80 Effective April 2022 MIAMI, FLORIDA ? (GLOBENEWSWIRE), April 21, 2022 ? Watsco, Inc

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) March 14, 2022 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IR

2021 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 7, 8 and 9 of this Form 10-K, the 2021 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES MANAGEMENT?S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS Forward-Looking Statements This Annual Report on Form 10-K contains or incorporates by reference statements that are not historical in nature and that are intended to be, and are hereby identified as, ?forward-looking statements? as defined in the Private Securities Litiga

Amended and Restated Sales Agreement dated February 25, 2022, by and between Watsco, Inc., Robert W. Baird & Co. Incorporated, and Goldman Sachs & Co. LLC. #

Exhibit 10.5(b) WATSCO, INC. Common Stock ($0.50 par value per share) Amended and Restated Sales Agreement February 25, 2022 Robert W. Baird & Co. Incorporated 777 East Wisconsin Avenue Milwaukee, Wisconsin 53202 Goldman Sachs & Co. LLC 200 West Street, 29th Floor New York, New York 10282 Ladies and Gentlemen: Watsco, Inc., a Florida corporation (the ?Company?), confirms its agreement (this ?Agree

Twenty-third Amendment dated January 1, 2022 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad (filed as Exhibit 10.1(x) to the Annual Report on Form 10-K for the year ended December 31, 2021 and incorporated herein by reference).*

EXHIBIT 10.1(x) TWENTY-THIRD AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-third Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2022, by and between WATSCO, INC., a Florida corporation (hereinafter called the ?Company?), and ALBERT H. NAHMAD (hereinafter called the ?Employee?). RECITALS WHEREAS, the Company and the Employee entered into an Employm

Subsidiaries of the Registrant. #

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2021, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a signifi

$300,000,000 Watsco, Inc. Common stock

Filed pursuant to Rule 424(b)(5) Registration No. 333-260758 Supplement No. 1 dated February 25, 2022 To Prospectus Supplement dated November 4, 2021 (To Prospectus dated November 4, 2021) $300,000,000 Watsco, Inc. Common stock This supplement, referred to as this Supplement, supplements certain information contained in the prospectus supplement dated November 4, 2021, referred to as the prospectu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2021 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from to Commission File Number 1-5581 WATSCO,

Watsco Reports Record Breaking Fourth Quarter and 2021 Full Year Performance Sales, Profits, Operating Margin and EPS at Record Levels Fourth Quarter: EPS up 77% to $2.02 on Record Sales of $1.5 Billion 2021 Year: EPS up 54% on Record Sales of $6.3 B

Exhibit 99.1 Watsco Reports Record Breaking Fourth Quarter and 2021 Full Year Performance Sales, Profits, Operating Margin and EPS at Record Levels Fourth Quarter: EPS up 77% to $2.02 on Record Sales of $1.5 Billion 2021 Year: EPS up 54% on Record Sales of $6.3 Billion and 10.0% Operating Margin 13% Dividend Raise to $8.80 Following Record Performance MIAMI, FLORIDA ? (GLOBENEWSWIRE), February 10,

WSO / Watsco Inc / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Watsco Inc. Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ??Rule 13d-1(b) ??Rule 13d-1(

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 10, 2022 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

Watsco Boosts Annual Dividend 13% to $8.80 Per Share

Exhibit 99.2 Watsco Boosts Annual Dividend 13% to $8.80 Per Share MIAMI, FLORIDA ? February 10, 2022 (GLOBENEWSWIRE) ? Watsco, Inc. (NYSE:WSO) announced today that its Board of Directors has approved a 13% increase in its annual dividend to $8.80 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company?s next regular dividend payment

WSO / Watsco Inc / BlackRock Inc. Passive Investment

us9426222009012622.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 14) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

WSO / Watsco Inc / BAILLIE GIFFORD & CO Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 WATSCO, INC. (Amendment No.1) - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) 31ST DECEMBER 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed

WSO / Watsco Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us9426222009012422.txt us9426222009012422.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 13) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to des

As filed with the Securities and Exchange Commission on November 4, 2021

Table of Contents As filed with the Securities and Exchange Commission on November 4, 2021 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2021 or ☐ Transition Report Pursu

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2021 or ? Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.

CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1)(2) Common stock, par value $0.50 per share $300,000,000 $0.00

Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-260758 CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1)(2) Common stock, par value $0.50 per share $300,000,000 $0.00 (1) Calculated pursuant to Rule 457(r) promulgated under the Securities Act of 1933, as amended (the ?Securities Act?)

Watsco Generates Record Third Quarter Performance EPS Jumps 31% to a Record $3.62 on Record Sales of $1.78 Billion Sales, Operating Profit, Operating Margin and Net Income all at Record Levels Investments in Customer-Focused Technologies Continue; Br

Exhibit 99.1 Watsco Generates Record Third Quarter Performance EPS Jumps 31% to a Record $3.62 on Record Sales of $1.78 Billion Sales, Operating Profit, Operating Margin and Net Income all at Record Levels Investments in Customer-Focused Technologies Continue; Branch Network Expanded and Employees Added to Support Growth; Strong Balance Sheet Well-Positioned for Investment MIAMI, FLORIDA ? (GLOBEN

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 20, 2021 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) October 6, 2021 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (I

CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1) Common stock, par value $0.50 per share $300,000,000 $32,730.00

Table of Contents Filed pursuant to Rule 424(b)(5) Registration No. 333-228269 CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Proposed Maximum Aggregate Offering Price Amount of Registration Fee(1) Common stock, par value $0.50 per share $300,000,000 $32,730.00 (1) Calculated pursuant to Rule 457(r) promulgated under the Securities Act of 1933, as amended, and Rule 457(o) pro

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) August 6, 2021 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Sales Agreement, dated August 6, 2021, by and between the Company and Robert W. Baird & Co. Incorporated

EXHIBIT 1.1 WATSCO, INC. Common Stock ($0.50 par value per share) Sales Agreement August 6, 2021 Robert W. Baird & Co. Incorporated 777 East Wisconsin Avenue Milwaukee, Wisconsin 53202 Ladies and Gentlemen: Watsco, Inc., a Florida corporation (the ?Company?), confirms its agreement (this ?Agreement?) with Robert W. Baird & Co. Incorporated (the ?Agent?), as follows: 1. Issuance and Sale of Placeme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2021 or ☐ Transition Report Pursuant T

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2021 or ? Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 22, 2021 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

Watsco EPS Jumps 64% to $3.71 Setting Records for Sales, Operating Profit, Operating Margin and Net Income Strong Sales Growth, Higher Margins, Operating Efficiencies and Recent Acquisitions Drive Record Performance Customer-Adoption of Technologies

Exhibit 99.1 Watsco EPS Jumps 64% to $3.71 Setting Records for Sales, Operating Profit, Operating Margin and Net Income Strong Sales Growth, Higher Margins, Operating Efficiencies and Recent Acquisitions Drive Record Performance Customer-Adoption of Technologies Grows as Business Evolution Continues MIAMI, FLORIDA ? (GLOBENEWSWIRE), July 22, 2021 ? Watsco, Inc. (NYSE: WSO) reported record second q

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 7, 2021 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

As filed with the Securities and Exchange Commission on June 7, 2021

As filed with the Securities and Exchange Commission on June 7, 2021 Registration No.

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2021 or ? Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

Definitive Proxy Statement on Schedule 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 22, 2021 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Watsco EPS Jumps 93% Setting First Quarter Records for Sales, Operating Profit, Operating Margins and Net Income Double-Digit Sales Growth, Higher Gross Margins and Operating Efficiencies Drive Record Performance Customer-Adoption of Technologies Gro

Exhibit 99.1 Watsco EPS Jumps 93% Setting First Quarter Records for Sales, Operating Profit, Operating Margins and Net Income Double-Digit Sales Growth, Higher Gross Margins and Operating Efficiencies Drive Record Performance Customer-Adoption of Technologies Grows as Business Evolution Continues MIAMI, FLORIDA ? (GLOBENEWSWIRE), April 22, 2021 ? Watsco, Inc. (NYSE: WSO) reported record first quar

2020 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 6, 7, 8 and 9 of this Form 10-K, the 2020 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES SELECTED CONSOLIDATED FINANCIAL DATA The following selected consolidated financial data should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included under Item 8 of Part II, ?Financial Statements and Supplementary Data,? and the information contained in Item 7 of Part II, ?Management?s Discussion an

Twenty-second Amendment dated January 1, 2021 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad (filed as Exhibit 10.1(w) to the Annual Report on Form 10-K for the year ended December 31, 2020 and incorporated herein by reference).*

EXHIBIT 10.1(w) TWENTY-SECOND AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-second Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2021, by and between WATSCO, INC., a Florida corporation (hereinafter called the ?Company?), and ALBERT H. NAHMAD (hereinafter called the ?Employee?). RECITALS WHEREAS, the Company and the Employee entered into an Emplo

Annual Report - FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2020 or ? Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from to Commission File Number 1-5581 WATSCO,

Subsidiaries of the Registrant.

EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2020, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a signifi

Watsco’s Fourth Quarter EPS Jumps 24%, Setting New Records for Sales, Operating Profit, Net Income and Cash Flow Annual Records Achieved for EPS, Sales, Profitability and Cash Flow 10% Dividend Raise to $7.80 Following Record Performance

EX-99.1 Exhibit 99.1 Watsco’s Fourth Quarter EPS Jumps 24%, Setting New Records for Sales, Operating Profit, Net Income and Cash Flow Annual Records Achieved for EPS, Sales, Profitability and Cash Flow 10% Dividend Raise to $7.80 Following Record Performance MIAMI, FLORIDA – (GLOBENEWSWIRE) February 11, 2021 – Watsco, Inc. (NYSE: WSO) reported record fourth quarter results. Watsco set new annual r

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 11, 2021 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

Watsco Boosts Annual Dividend 10% to $7.80 Per Share

EX-99.2 Exhibit 99.2 Watsco Boosts Annual Dividend 10% to $7.80 Per Share MIAMI, FLORIDA — February 11, 2021 (GLOBE NEWSWIRE) — Watsco, Inc. (NYSE:WSO) announced today that its Board of Directors has approved a 10% increase in its annual dividend to $7.80 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company’s next regular dividen

SC 13G/A

us9426222009012621.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 12) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

SC 13G

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) 31 DECEMBER 2020 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)*

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 9)* Name of issuer: Watsco Inc. Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 31, 2020 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2020 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S. Employer Iden

Watsco EPS Jumps 25% Setting New Records for Sales, Operating Profit, Net Income and Operating Margins During Third Quarter Strong Residential Demand and Gains in Operating Efficiency Drive 120 Basis-Point Operating Margin Expansion; Nine-Month Opera

EX-99.1 Exhibit 99.1 Watsco EPS Jumps 25% Setting New Records for Sales, Operating Profit, Net Income and Operating Margins During Third Quarter Strong Residential Demand and Gains in Operating Efficiency Drive 120 Basis-Point Operating Margin Expansion; Nine-Month Operating Cash Flow Increases 89% to a Record $373 Million MIAMI, FLORIDA – (GLOBENEWSWIRE), October 22, 2020 – Watsco, Inc. (NYSE: WS

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 22, 2020 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2020 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) July 23, 2020 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

Watsco Reports Strong Second Quarter Results and Record Cash Flow Steady Recovery in Market Conditions Leads to Record June Results; Technology Adoption Accelerates and Provides Competitive Advantage; Balance Sheet Well-Positioned for Investments in

EX-99.1 2 d50836dex991.htm EX-99.1 Exhibit 99.1 Watsco Reports Strong Second Quarter Results and Record Cash Flow Steady Recovery in Market Conditions Leads to Record June Results; Technology Adoption Accelerates and Provides Competitive Advantage; Balance Sheet Well-Positioned for Investments in Growth and Expansion MIAMI, FLORIDA – (GLOBENEWSWIRE), July 23, 2020 – Watsco, Inc. (NYSE: WSO) report

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 23, 2020 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 1, 2020 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (IRS

Twenty-first Amendment dated January 1, 2020 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad (filed as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the quarter ended March 31, 2020 and incorporated herein by reference). *

EX-10.1 Exhibit 10.1 TWENTY-FIRST AMENDMENT TO EMPLOYMENT AGREEMENT This Twenty-first Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2020, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an Em

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2020 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

- DEF 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 23, 2020 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Watsco Achieved Record Sales, Maintained Solid Balance Sheet and Progressed With its Innovative Technologies

EX-99.1 Exhibit 99.1 Watsco Achieved Record Sales, Maintained Solid Balance Sheet and Progressed With its Innovative Technologies MIAMI, FLORIDA – (GLOBENEWSWIRE), April 23, 2020 – Watsco, Inc. (NYSE: WSO) reported results for the quarter ended March 31, 2020 and provided commentary on its financial strength, culture of innovation and other important aspects of its business. Financial Strength & L

Revolving Credit Increase and Joinder Agreement, dated as of April 10, 2020, by and among Watsco, Inc., Watsco Canada, Inc. and Carrier Enterprise Mexico, S. de R.L. de C.V., as Borrowers, Bank of America, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, Regions Bank, and PNC Bank N.A. as a joining Lender (filed as Exhibit 10.1 to the Current Report on Form 8-K on April 16, 2020 and incorporated herein by reference).

EX-10.1 Exhibit 10.1 REVOLVING CREDIT INCREASE AND JOINDER AGREEMENT This REVOLVING CREDIT INCREASE AND JOINDER AGREEMENT dated as of April 10, 2020 (this “Agreement”) is by and among WATSCO, INC., a Florida corporation (the “Company”), WATSCO CANADA, INC., a New Brunswick corporation (the “Canadian Borrower”), CARRIER ENTERPRISE MEXICO, S. DE R.L. DE C.V., a limited liability corporation organize

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 10, 2020 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (IR

Exhibit 4.3

EX-4.3 Exhibit 4.3 DESCRIPTION OF CAPITAL STOCK As of the end of the fiscal year covered by the Annual Report on Form 10-K of Watsco, Inc., a Florida corporation (the “Company”), to which this Exhibit is attached, or incorporated by reference, as an exhibit, the following securities of the Company were registered under Section 12 of the Securities Exchange Act of 1934, as amended: Common stock, pa

2019 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 6, 7, 8 and 9 of this Form 10-K, the 2019 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

Table of Contents EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES SELECTED CONSOLIDATED FINANCIAL DATA The following selected consolidated financial data should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included under Item 8 of Part II, “Financial Statements and Supplementary Data,” and the information contained in Item 7 of Part II, “Manageme

Annual Report - 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2019 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from to Commission File Number 1-5581 WATSCO,

Subsidiaries of the Registrant. #

EX-21.1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2019, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a

WSO / Watsco, Inc. / Capital World Investors - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* Watsco Inc (Name of Issuer) Common Stock (Title of Class of Securities) 942622200 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

Watsco Boosts Annual Dividend 11% to $7.10 Per Share

EX-99.2 Exhibit 99.2 Watsco Boosts Annual Dividend 11% to $7.10 Per Share MIAMI, FLORIDA — February 13, 2020 (GLOBE NEWSWIRE) — Watsco, Inc. (NYSE:WSO) announced today that its Board of Directors has approved an 11% increase in its annual dividend to $7.10 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company’s next regular divide

Watsco Reports Record Annual Results and 11% Dividend Raise to $7.10 Per Share Continued Investments in Customer-Focused Technologies; Acquisitions Drive Network Expansion by 35 Locations; Cultural Investments in Long-term Equity and Employee Wellnes

EX-99.1 Exhibit 99.1 Watsco Reports Record Annual Results and 11% Dividend Raise to $7.10 Per Share Continued Investments in Customer-Focused Technologies; Acquisitions Drive Network Expansion by 35 Locations; Cultural Investments in Long-term Equity and Employee Wellness Programs MIAMI, FLORIDA – (GLOBENEWSWIRE), February 13, 2020 – Watsco, Inc. (NYSE: WSO) reported its annual and fourth quarter

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 13, 2020 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

WSO / Watsco, Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Watsco Inc Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 31, 2019 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule 13d

WSO / Watsco, Inc. / BlackRock Inc. Passive Investment

us9426222009020320.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 11) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2019 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2019 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.

Watsco Reports Record Sales, Income and Earnings Per Share during Third Quarter Achieves Record Nine-Month Operating Cash Flow; Continued Investments in Technology and Network Expansion

EX-99.1 Exhibit 99.1 Watsco Reports Record Sales, Income and Earnings Per Share during Third Quarter Achieves Record Nine-Month Operating Cash Flow; Continued Investments in Technology and Network Expansion MIAMI, FLORIDA – (GLOBENEWSWIRE), October 17, 2019 – Watsco, Inc. (NYSE: WSO) reported its third quarter results. Record sales, operating income, net income attributable to Watsco and earnings

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 17, 2019 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number) (

Quarterly Report - FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended June 30, 2019 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S.

CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Amount to be Registered Proposed Maximum Offering Price Per Share(1) Proposed Maximum Aggregate Offering Price(1) Amount of Registration Fee(2) Common Stock, par value $0.50 per sha

424B7 Table of Contents Filed pursuant to Rule 424(b)(7) Registration No. 333-228269 CALCULATION OF REGISTRATION FEE Title of Securities to be Registered Amount to be Registered Proposed Maximum Offering Price Per Share(1) Proposed Maximum Aggregate Offering Price(1) Amount of Registration Fee(2) Common Stock, par value $0.50 per share 372,543 $163.97 $61,085,876 $7,403.61 (1) Estimated solely for

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) August 1, 2019 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number)

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 18, 2019 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

Watsco Reports Record Second Quarter Results Record First-Half Operating Cash Flow; Continued Investments in Technology and Network Expansion; Announced Purchase of $206 Million HVAC Distributor Peirce-Phelps, Inc.

EX-99.1 Exhibit 99.1 Watsco Reports Record Second Quarter Results Record First-Half Operating Cash Flow; Continued Investments in Technology and Network Expansion; Announced Purchase of $206 Million HVAC Distributor Peirce-Phelps, Inc. MIAMI, FLORIDA – (GLOBENEWSWIRE), July 18, 2019 – Watsco, Inc. (NYSE: WSO) reported its second quarter results. Record sales and net income attributable to Watsco w

Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 3, 2019 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (

Twentieth Amendment dated January 1, 2019 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad (filed as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the quarter ended March 31, 2019 and incorporated herein by reference). *

EX-10.1 Exhibit 10.1 TWENTIETH AMENDMENT TO EMPLOYMENT AGREEMENT This Twentieth Amendment to Employment Agreement is made and entered into effective as of the 1st day of January 2019, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an Employme

Quarterly Report - FORM 10-Q

Form 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

LETTER

May 1, 2019 Ana Menendez Chief Financial Officer WATSCO INC 2665 South Bayshore Drive Suite 901 Miami, FL 33133 Re: WATSCO INC Form 8-K filed on February 14, 2019 Form 10-K for the fiscal year ended December 31, 2018 Filed on February 28, 2019 File No.

WSO / Watsco, Inc. TEXT-EXTRACT - -

TEXT-EXTRACT 2 filename2.txt May 1, 2019 Ana Menendez Chief Financial Officer WATSCO INC 2665 South Bayshore Drive Suite 901 Miami, FL 33133 Re: WATSCO INC Form 8-K filed on February 14, 2019 Form 10-K for the fiscal year ended December 31, 2018 Filed on February 28, 2019 File No. 1-05581 Dear Ms. Menendez: We have completed our review of your filing. We remind you that the company and its managem

WSO / Watsco, Inc. CORRESP - -

SEC response letter Watsco, Inc. 2665 South Bayshore Drive, Suite 901 Miami, Florida 33133 April 29, 2019 VIA EDGAR United States Securities and Exchange Commission Division of Corporate Finance Office of Manufacturing and Construction 100 F Street, N.E. Washington, D.C. 20549-7010 Attention: Mindy Hooker Anne McConnell RE: Watsco, Inc. Form 8-K Filed on February 14, 2019 Form 10-K for the Fiscal

Schedule 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 23, 2019 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Nu

Watsco Reports Record Sales, Operating Profit, Net Income and Cash Flow During First Quarter

EX-99.1 Exhibit 99.1 Watsco Reports Record Sales, Operating Profit, Net Income and Cash Flow During First Quarter MIAMI, FLORIDA – (GLOBENEWSWIRE), April 23, 2019 – Watsco, Inc. (NYSE: WSO) reported record sales, operating profit, net income and cash flow for the quarter ended March 31, 2019. Key performance metrics: • 2% increase in operating profit to a record $55 million (10 basis-point expansi

LETTER

April 17, 2019 Ana Menendez Chief Financial Officer WATSCO INC 2665 South Bayshore Drive Suite 901 Miami, FL 33133 Re: WATSCO INC Form 8-K filed on February 14, 2019 Form 10-K for the fiscal year ended December 31, 2018 Filed on February 28, 2019 File No.

WSO / Watsco, Inc. TEXT-EXTRACT - -

April 17, 2019 Ana Menendez Chief Financial Officer WATSCO INC 2665 South Bayshore Drive Suite 901 Miami, FL 33133 Re: WATSCO INC Form 8-K filed on February 14, 2019 Form 10-K for the fiscal year ended December 31, 2018 Filed on February 28, 2019 File No.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) April 1, 2019 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Num

WSO / Watsco, Inc. / VANGUARD GROUP INC Passive Investment

watscoinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6 )* Name of issuer: Watsco Inc Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropriate box to designate th

Form 10-K

10-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

2018 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 1, 5, 6, 7 and 8 of this Form 10-K, the 2018 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EX-13 EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES SELECTED CONSOLIDATED FINANCIAL DATA The following selected consolidated financial data should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included under Item 8 of Part II, “Financial Statements and Supplementary Data,” and the information contained in Item 7 of Part II, “Management’s Discuss

Subsidiaries of the Registrant. #

EX-21.1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2018, and their respective incorporation jurisdictions. The names of various other wholly owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a

Watsco Reports Record Results in 2018, Marking its 30-Year Anniversary in HVAC/R Distribution Culture of Innovation Continues to Transform Watsco’s Customer-Experience

EX-99.1 Exhibit 99.1 Watsco Reports Record Results in 2018, Marking its 30-Year Anniversary in HVAC/R Distribution Culture of Innovation Continues to Transform Watsco’s Customer-Experience MIAMI, FLORIDA – (GLOBENEWSWIRE), February 14, 2019 – Watsco, Inc. (NYSE: WSO) reported record results for the year and quarter ended December 31, 2018. Annual records were set for sales, operating income, net i

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) February 14, 2019 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File

WSO / Watsco, Inc. / Capital World Investors - SC 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Watsco Inc (Name of Issuer) Common Stock (Title of Class of Securities) 942622200 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is f

WSO / Watsco, Inc. / PRICE T ROWE ASSOCIATES INC /MD/ Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) WATSCO INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 942622200 (CUSIP NUMBER) December 31, 2018 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is filed:

WSO / Watsco, Inc. / VANGUARD GROUP INC Passive Investment

watscoinc.htm - Generated by SEC Publisher for SEC Filing SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 6 )* Name of issuer: Watsco Inc Title of Class of Securities: Common Stock CUSIP Number: 942622200 Date of Event Which Requires Filing of this Statement: December 31, 2018 Check the appropriate box to designate th

WSO / Watsco, Inc. / BlackRock Inc. Passive Investment

us9426222009013119.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 10) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) December 31, 2018 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) December 11, 2018 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Numb

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) December 5, 2018 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida 1-5581 59-0778222 (State or other jurisdiction of incorporation) (Commission File Numbe

Credit Agreement dated as of December 5, 2018, by and among Watsco, Inc., Watsco Canada, Inc. and Carrier Enterprise Mexico, S. de R.L. de C.V., as Borrowers, the Other Lenders From Time to Time Party Thereto, Bank of America, N.A., as Administrative Agent, Swing Line Lender and L/C Issuer, JPMorgan Chase Bank, N.A. as Syndication Agent and Branch Banking and Trust Company, U.S. Bank National Association and Wells Fargo Bank, National Association as Co-Documentation Agents (filed as Exhibit 10.1 to the Current Report on Form 8-K on December 11, 2018 and incorporated herein by reference).

EX-10.1 EXHIBIT 10.1 Published CUSIP Number: 94262PAG5

WSO / Watsco, Inc. S-3ASR

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on November 8, 2018 Registration No.

September 30, 2018

Form 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) October 25, 2018 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Numbe

Watsco Boosts Annual Dividend 10% to $6.40 Per Share

EX-99.2 Exhibit 99.2 Watsco Boosts Annual Dividend 10% to $6.40 Per Share MIAMI, FLORIDA – (GLOBENEWSWIRE) – October 25, 2018 - Watsco, Inc. (NYSE: WSO) announced today that its Board of Directors has approved a 10% increase in its annual dividend to $6.40 per share on each outstanding share of its Common and Class B common stock. The increase will be reflected in the Company’s next regular divide

Watsco Reports Record Third Quarter Results and Dividend Raise to $6.40 Per Share Initiative Launched to Leverage Technology Investments and Improve Operating Efficiency

EX-99.1 Exhibit 99.1 Watsco Reports Record Third Quarter Results and Dividend Raise to $6.40 Per Share Initiative Launched to Leverage Technology Investments and Improve Operating Efficiency MIAMI, FLORIDA – (GLOBENEWSWIRE), October 25, 2018 – Watsco, Inc. (NYSE: WSO) reported record results for the quarter and nine-month periods ended September 30, 2018. Record sales, operating profit, net income

June 30, 2018

Form 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) July 25, 2018 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Number)

Watsco Sets New Records for Sales, Operating Income, Operating Margins, Net Income and EPS During Second Quarter Adoption of Customer-Focused Technologies Grows as Business Transformation Continues

EX-99.1 Exhibit 99.1 Watsco Sets New Records for Sales, Operating Income, Operating Margins, Net Income and EPS During Second Quarter Adoption of Customer-Focused Technologies Grows as Business Transformation Continues MIAMI, FLORIDA – (GLOBENEWSWIRE), July 25, 2018 – Watsco, Inc. (NYSE: WSO) reported record results for the quarter ended June 30, 2018. Watsco’s record results reflect continued inv

Submission of Matters to a Vote of Security Holders

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) June 4, 2018 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number) (

Nineteenth Amendment dated January 1, 2018 to Employment Agreement and Incentive Plan dated January 31, 1996 by and between Watsco, Inc. and Albert H. Nahmad (filed as Exhibit 10.1 to the Quarterly Report on Form 10-Q for the quarter ended March 31, 2018 and incorporated herein by reference). *

EX-10.1 Exhibit 10.1 NINETEENTH AMENDMENT TO EMPLOYMENT AGREEMENT This Nineteenth Amendment to Employment Agreement is made and entered into effective as of the 1st day of January, 2018, by and between WATSCO, INC., a Florida corporation (hereinafter called the “Company”), and ALBERT H. NAHMAD (hereinafter called the “Employee”). RECITALS WHEREAS, the Company and the Employee entered into an Emplo

March 31, 2018

Form 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended March 31, 2018 or ☐ Transition Report Pursuant To Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period From to Commission file number 1-5581 I.R.S. Employe

Schedule 14A

DEF 14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 24, 2018 WATSCO, INC. (Exact name of registrant as specified in its charter) Florida (State or other jurisdiction of incorporation) 1-5581 59-0778222 (Commission File Nu

Watsco Sets New Records for Sales, Operating Income, Net Income and EPS During First Quarter 25% EPS Growth and 20 Basis-Point Operating Margin Expansion Adoption of Customer-Focused Technologies Grows as Business Transformation Continues

EX-99.1 Exhibit 99.1 Watsco Sets New Records for Sales, Operating Income, Net Income and EPS During First Quarter 25% EPS Growth and 20 Basis-Point Operating Margin Expansion Adoption of Customer-Focused Technologies Grows as Business Transformation Continues MIAMI, FLORIDA – (GLOBENEWSWIRE), April 24, 2018 – Watsco, Inc. (NYSE: WSO) reported record results for the quarter ended March 31, 2018. Th

WSO / Watsco, Inc. / BlackRock Inc. Passive Investment

us9426222009040518.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 9) WATSCO INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 942622200 - (CUSIP Number) March 31, 2018 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported) March 13, 2018 WATSCO, INC. (Exact Name of Registrant as Specified in Its Charter) Florida (State or Other Jurisdiction of Incorporation) 1-5581 59-0778222 (Commission File Number)

December 31, 2017

Form 10-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 For the Fiscal Year Ended December 31, 2017 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Transition Period from to Commission File Number 1-5581 WATSCO, INC. (E

Subsidiaries of the Registrant. #

EX-21.1 EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT The following table sets forth the significant subsidiaries of Watsco, Inc. as of December 31, 2017, and their respective incorporation jurisdictions. The names of various other wholly-owned subsidiaries have been omitted. None of the foregoing omitted subsidiaries, considered either alone or in the aggregate as a single subsidiary, constitutes a

2017 Annual Report to Shareholders (with the exception of the information incorporated by reference into Items 1, 5, 6, 7 and 8 of this Form 10-K, the 2017 Annual Report to Shareholders is provided solely for the information of the SEC and is not deemed “filed” as part of this Form 10-K). #

EX-13 EXHIBIT 13 WATSCO, INC. AND SUBSIDIARIES SELECTED CONSOLIDATED FINANCIAL DATA The following selected consolidated financial data should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included under Item 8 of Part II, “Financial Statements and Supplementary Data,” and the information contained in Item 7 of Part II, “Management’s Discuss

WSO / Watsco, Inc. / PRICE T ROWE ASSOCIATES INC /MD/ Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) WATSCO INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 942622200 (CUSIP NUMBER) December 31, 2017 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is filed: