| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Howell Laura Finley | SVP & GENERAL COUNSEL | C/O COMFORT SYSTEMS USA, INC., 9753 KATY FREEWAY, SUITE 700, HOUSTON | /s/ Laura Howell | 05 Dec 2025 | 0001763667 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FIX | Common Stock | Sale | $996,163 | -1,000 | -11% | $996.16 | 7,938 | 04 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| 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. |