17 insiders reported 154 Form 4 transactions for COMFORT SYSTEMS USA INC (FIX) over the past 18 months (most recent 2026-08-18). Recent activity: GEORGE WILLIAM III (CHIEF FINANCIAL OFFICER) Sell 2,554 shares, MYERS FRANKLIN (Director) Sell 3,500 shares, MYERS FRANKLIN (Director) Sell 4,000 shares, MYERS FRANKLIN (Director) Sell 6,700 shares, Hardy Rhoman J (Director) Sell 342 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | Sell | 2,554 | $4.7M |
| 2026-08-12 | MYERS FRANKLIN | Director | Sell | 3,500 | $5.9M |
| 2026-08-12 | MYERS FRANKLIN | Director | Sell | 4,000 | $6.8M |
| 2026-06-26 | MYERS FRANKLIN | Director | Sell | 6,700 | $13.1M |
| 2026-05-28 | Hardy Rhoman J | Director | Sell | 342 | $649,827 |
| 2026-05-22 | MYERS FRANKLIN | Director | Sell | 273 | $0 |
| 2026-05-19 | Kapoor Gaurav | Director | Buy | 105 | $0 |
| 2026-05-19 | BULLS HERMAN E | Director | Buy | 105 | $0 |
| 2026-05-19 | MYERS FRANKLIN | Director | Buy | 105 | $0 |
| 2026-05-19 | SANDBROOK WILLIAM J | Director | Buy | 105 | $0 |
| 2026-05-19 | Mercado, Pablo G. | Director | Buy | 105 | $0 |
| 2026-05-19 | Skidmore Constance Ellen | Director | Buy | 105 | $0 |
| 2026-05-19 | ANDERSON DARCY | Director | Buy | 105 | $0 |
| 2026-05-19 | Wallis-Lage Cindy L. | Director | Buy | 105 | $0 |
| 2026-05-19 | Hardy Rhoman J | Director | Buy | 105 | $0 |
| 2026-05-12 | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | Sell | 4,000 | $7.8M |
| 2026-05-12 | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | Sell | 1,000 | $2.0M |
| 2026-05-11 | Shaeff Julie | CHIEF ACCOUNTING OFFICER | Sell | 1,123 | $2.2M |
| 2026-05-08 | MYERS FRANKLIN | Director | Sell | 51 | $0 |
| 2026-05-08 | MYERS FRANKLIN | Director | Sell | 205 | $0 |
| 2026-05-08 | MYERS FRANKLIN | Director | Sell | 256 | $0 |
| 2026-05-08 | MYERS FRANKLIN | Director | Sell | 4,500 | $8.6M |
| 2026-05-06 | Lane Brian E. | CHIEF EXECUTIVE OFF. | Sell | 11,113 | $21.9M |
| 2026-05-01 | Mercado, Pablo G. | Director | Sell | 500 | $889,890 |
| 2026-04-30 | SANDBROOK WILLIAM J | Director | Sell | 1,500 | $2.6M |
Source: SEC Form 4 filings · as of 2026-08-18