---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-421671"
form_type: "8-K/A"
ticker: "WSO"
cik: "0000105016"
company_name: "WATSCO INC"
filed_at: "2026-10-14T20:08:19+00:00"
generated_at: "2026-10-14T20:09:05.334694+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Watsco closes $505M Granite Group Holdings buy, issues 338,176 consideration shares

## Summary
- Mergers closed October 9, 2026; Watsco issued 338,176 unregistered Common shares (WSO) as the final consideration share count.
- Aggregate consideration is $505.0 million, subject to customary post-closing purchase price adjustment; 80% paid in cash and 20% in stock.
- Granite Group Holdings is a plumbing and HVAC distributor with roughly $500 million in sales across seven Northeast states.
- Share count equals 20% of the purchase price divided by the 10-day volume-weighted average WSO price before closing.
- Filed as Amendment No. 1 to the September 17, 2026 Form 8-K, which had disclosed only an estimated share number.

## SEC filing metadata
- accession: 0001193125-26-421671
- form_type: 8-K/A
- ticker: WSO
- cik: 0000105016
- company_name: WATSCO INC
- filed_at: 2026-10-14T20:08:19+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 3.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/105016/000119312526421671/0001193125-26-421671-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/105016/000119312526421671/wso-20260912.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-421671
- JSON: https://secwatch.observer/filing/0001193125-26-421671.json
- Plain text: https://secwatch.observer/filing/0001193125-26-421671.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.