4Filing Date: Aug 18, 2026

Comfort Systems U (FIX)

Statement of Changes in Beneficial Ownership

View SEC Filing
ACC: 0001205073-26-000013
Total Value$4.75M
Trades1
Insiders1

Transaction Details

GEORGE WILLIAM III
CHIEF FINANCIAL OFFICER·Direct
Sell · Dispose
Common Stock
Shares-2.55K
Price$1859.65
Total Value$4.75M
Shares Owned After30.25K
Transaction DateAug 17, 2026
Footnotes ▸

Represents the average price of shares sold; full information regarding the number of shares sold and specific prices will be made available upon request to the Company's Office of the General Counsel.

Post-Transaction Holdings

GEORGE WILLIAM III · CHIEF FINANCIAL OFFICER
SecuritySharesChange
Common Stock30.25K-2.55K (-7.79%)
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-17 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: COMFORT SYSTEMS USA INC (FIX) CIK: 0001035983 --- Reporting Owner --- Name: GEORGE WILLIAM III CIK: 0001205073 Role: Officer (CHIEF FINANCIAL OFFICER) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-17 | Code: S (Open market sale) Shares: -2,554 | Price: $1,859.65 Total Value: $4,749,549.42 Shares Owned After: 30,250 | Ownership: D (Direct) Footnotes: [F1] Represents the average price of shares sold; full information regarding the number of shares sold and specific prices will be made available upon request to the Company's Office of the General Counsel. --- Footnotes (Complete Index) --- F1: Represents the average price of shares sold; full information regarding the number of shares sold and specific prices will be made available upon request to the Company's Office of the General Counsel. --- Signature --- /s/ /s/ Rachel R. Eslicker, Attorney-in-Fact (2026-08-18)

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