Watsco Files Legal Opinion for Resale of Shares Issued in Granite Group Acquisition

Overview of Filing

On October 14, 2026, Watsco, Inc. ($WSO) filed a Current Report on Form 8-K under Item 9.01 (Financial Statements and Exhibits).

Key Details

• Purpose: The filing was submitted solely to file Exhibit 5.1 (Legal Opinion of Greenberg Traurig, P.A.) and Exhibit 23.1 (Consent of Counsel).
• Underlying Transaction: The opinion relates to a Prospectus Supplement dated October 14, 2026, under Registration Statement on Form S-3 (File No. 333-282975), facilitating the resale of 338,176 shares of Common Stock ($0.50 par value) by selling shareholders.
• Background: The registered shares were issued pursuant to an Agreement and Plan of Merger dated September 12, 2026, between Watsco, Inc. and Granite Group Holdings LLC.

Market & Trading Impact

• Trading Significance: Low.
• This is an administrative procedural filing supporting the secondary resale shelf for consideration shares issued in an M&A transaction. It does not represent primary share dilution, insider selling, or an operational surprise.