SEC FORM 4SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
Nahmad Aaron J

(Last)(First)(Middle)
2665 S. BAYSHORE DRIVE
SUITE 901

(Street)
MIAMIFL33133

(City)(State)(Zip)
2. Issuer Name and Ticker or Trading Symbol
WATSCO INC [ WSO; WSOB ]
Foreign Trading Symbol
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
checkbox checkedDirector10% Owner
checkbox checkedOfficer (give title below)Other (specify below)
President
3. Date of Earliest Transaction (Month/Day/Year)
10/09/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
checkbox checkedForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common stock1,408D
Common stock1,150IBy Spouse
Common stock526ISee footnote(1)
Common stock10/09/2026A16,078A$279.916,078D(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Common stock(3) (3) (3)Class B Common stock64,23764,237D
Class B Common stock(3) (3) (3)Class B Common stock16,30216,302(4)ISee footnote(5)
Class B Common stock(3) (3) (3)Class B Common stock305,993305,993D(2)
Explanation of Responses:
1. Ownership in Watsco, Inc. Profit Sharing Retirement Plan and Trust.
2. Award of stock pursuant to Watsco, Inc. Restricted Stock Agreement.
3. The Class B Common Stock is convertible into Common Stock at any time on a one-for-one basis and has no expiration date.
4. Includes 117 and 165 shares acquired on April 30, 2026 and July 31, 2026, respectively, under the Watsco Inc. Dividend Reinvestment Plan.
5. Reflects shares held by custodial accounts for Mr. Nahmad's children, of which Mr. Nahmad is the custodian.
/s/ Aaron J. Nahmad10/13/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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