| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SANDBROOK WILLIAM J | Director | C/O COMFORT SYSTEMS USA, INC., 9753 KATY FREEWAY, SUITE 700, HOUSTON | /s/ Rachel R. Eslicker, Attorney-in-Fact | 26 Feb 2026 | 0001527678 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FIX | Common Stock | Sale | $3,608,294 | -2,500 | -21% | $1443.32 | 9,166 | 24 Feb 2026 | Direct | F1, F2 |
| 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. |
| F2 | Shares held directly by the Reporting Person, including 170 shares held indirectly by the Reporting Person. |