| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | C/O COMFORT SYSTEMS USA, INC., 675 BERING DRIVE, SUITE 400, HOUSTON | /s/ Rachel R. Eslicker, Attorney-in-Fact | 13 May 2025 | 0001205073 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FIX | Common Stock | Options Exercise | $453,125 | +12,500 | +26% | $36.25 | 59,973 | 13 May 2025 | Direct | |
| transaction | FIX | Common Stock | Sale | $5,876,422 | -12,500 | -21% | $470.11 | 47,473 | 13 May 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | FIX | Option to Buy | Options Exercise | $0 | -12,500 | -81% | $0.000000 | 2,922 | 13 May 2025 | Common Stock | 12,500 | $36.25 | Direct | 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 | Stock options were granted on 03/08/2017, vested ratably over a three-year period, and were fully vested on 04/01/2020. |