17 insiders reported 137 Form 4 transactions for COMFORT SYSTEMS USA INC (FIX) over the past 18 months (most recent 2026-08-27). Recent activity: Lane Brian E. (CHIEF EXECUTIVE OFF.) Sell 16,024 shares, 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. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-27 | Lane Brian E. | CHIEF EXECUTIVE OFF. | Sell | 16,024 | $25.8M |
| 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 | Hardy Rhoman J | Director | Buy | 105 | $0 |
| 2026-05-19 | MYERS FRANKLIN | Director | Buy | 105 | $0 |
| 2026-05-19 | Skidmore Constance Ellen | Director | Buy | 105 | $0 |
| 2026-05-19 | SANDBROOK WILLIAM J | Director | Buy | 105 | $0 |
| 2026-05-19 | Wallis-Lage Cindy L. | Director | Buy | 105 | $0 |
| 2026-05-19 | ANDERSON DARCY | Director | Buy | 105 | $0 |
| 2026-05-19 | Mercado, Pablo G. | Director | Buy | 105 | $0 |
| 2026-05-19 | Kapoor Gaurav | Director | Buy | 105 | $0 |
| 2026-05-19 | BULLS HERMAN E | 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 |
Source: SEC Form 4 filings · as of 2026-08-27