| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $0 | 0 | 0 |
Sells | $171,768,042 | 26 | 100 |
| Hardy Rhoman J | director | 0 | $0 | 1 | $649,827 | $-649,827 |
| Howell Laura Finley | SVP & GENERAL COUNSEL | 0 | $0 | 1 | $996,163 | $-996,163 |
| Skidmore Constance Ellen | director | 0 | $0 | 1 | $1.43M | $-1.43M |
| Mercado, Pablo G. | director | 0 | $0 | 2 | $1.59M | $-1.59M |
| Reed Terrence | SVP & CHRO | 0 | $0 | 2 | $2.54M | $-2.54M |
| Shaeff Julie | CHIEF ACCOUNTING OFFICER | 0 | $0 | 2 | $5.41M | $-5.41M |
| ANDERSON DARCY | director | 0 | $0 | 1 | $6.16M | $-6.16M |
| SANDBROOK WILLIAM J | director | 0 | $0 | 2 | $6.21M | $-6.21M |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 0 | $0 | 5 | $31.67M | $-31.67M |
| MYERS FRANKLIN | director | 0 | $0 | 5 | $47.07M | $-47.07M |
| Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 0 | $0 | 4 | $68.05M | $-68.05M |
Comfort Systems USA, Inc., together with its subsidiaries, provides mechanical and electrical installation, renovation, maintenance, repair, and replacement services for the mechanical and electrical services industry in the United States. The company operates through two segments: Mechanical and Electrical. It offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. The company is also involved in the design, engineering, …
Over the last 12 months, insiders at Comfort Systems USA, Inc. have bought $0 and sold $171.77M worth of Comfort Systems USA, Inc. stock.
On average, over the past 5 years, insiders at Comfort Systems USA, Inc. have bought $75,275 and sold $64.41M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 784 shares for transaction amount of $149,978 was made by Hardy Rhoman J (director) on 2023‑12‑06.
| 2026-08-26 | Sale | Lane Brian E. | CHIEF EXECUTIVE OFF. | 16,024 0.0453% | $1,608.21 | $25.77M | -1.65% | |
| 2026-08-17 | Sale | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 2,554 0.0072% | $1,859.65 | $4.75M | -14.40% | |
| 2026-08-11 | Sale | MYERS FRANKLIN | director | 4,000 0.0114% | $1,693.92 | $6.78M | -4.27% | |
| 2026-08-10 | Sale | MYERS FRANKLIN | director | 3,500 0.01% | $1,690.47 | $5.92M | -3.50% | |
| 2026-06-24 | Sale | MYERS FRANKLIN | director | 6,700 0.0195% | $1,954.47 | $13.09M | -14.56% | |
| 2026-05-27 | Sale | Hardy Rhoman J | director | 342 0.001% | $1,900.08 | $649,827 | -9.24% | |
| 2026-05-11 | Sale | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 1,000 0.0028% | $2,020.96 | $2.02M | -15.67% | |
| 2026-05-11 | Sale | Shaeff Julie | CHIEF ACCOUNTING OFFICER | 1,123 0.0031% | $2,000.37 | $2.25M | -15.67% | |
| 2026-05-08 | Sale | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 4,000 0.0113% | $1,948.17 | $7.79M | -12.18% | |
| 2026-05-07 | Sale | MYERS FRANKLIN | director | 4,500 0.0125% | $1,902.57 | $8.56M | -11.64% | |
| 2026-05-05 | Sale | Lane Brian E. | CHIEF EXECUTIVE OFF. | 11,113 0.0316% | $1,969.84 | $21.89M | -12.63% | |
| 2026-04-30 | Sale | Mercado, Pablo G. | director | 500 0.0015% | $1,779.78 | $889,890 | -6.03% | |
| 2026-04-29 | Sale | SANDBROOK WILLIAM J | director | 1,500 0.0043% | $1,732.67 | $2.6M | +0.33% | |
| 2026-03-03 | Sale | ANDERSON DARCY | director | 4,500 0.0122% | $1,369.74 | $6.16M | +21.17% | |
| 2026-03-03 | Sale | Shaeff Julie | CHIEF ACCOUNTING OFFICER | 2,287 0.0062% | $1,382.15 | $3.16M | +21.17% | |
| 2026-03-03 | Sale | Reed Terrence | SVP & CHRO | 1,116 0.0031% | $1,397.33 | $1.56M | +21.17% | |
| 2026-02-25 | Sale | Lane Brian E. | PRESIDENT/CHIEF EXECUTIVE OFF. | 9,365 0.0266% | $1,453.12 | $13.61M | +15.92% | |
| 2026-02-25 | Sale | MYERS FRANKLIN | director | 8,636 0.0249% | $1,472.56 | $12.72M | +15.92% | |
| 2026-02-24 | Sale | Skidmore Constance Ellen | director | 1,000 0.0029% | $1,425.00 | $1.43M | +14.46% | |
| 2026-02-24 | Sale | SANDBROOK WILLIAM J | director | 2,500 0.007% | $1,443.32 | $3.61M | +14.46% |
| GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | 30250 0.086% | $38.88M | 3 | 35 | +9.18% |
| MYERS FRANKLIN | director | 8495 0.0241% | $10.92M | 53 | 14 | +11.4% |
| Howell Laura Finley | SVP & GENERAL COUNSEL | 7938 0.0226% | $10.2M | 1 | 3 | +4.83% |
| SANDBROOK WILLIAM J | director | 7666 0.0218% | $9.85M | 2 | 7 | +12.26% |
| Mercado, Pablo G. | director | 3000 0.0085% | $3.86M | 2 | 10 | +29.12% |
| Hardy Rhoman J | director | 1890 0.0054% | $2.43M | 1 | 1 | +69.69% |
| CHAMBERS NORMAN C | President | 87900 0.2498% | $112.96M | 2 | 0 | +55.76% |
| SCHULTZ JAMES H | director | 73393 0.2085% | $94.32M | 2 | 7 | +6.72% |
| WAGNER ROBERT D | director | 35000 0.0994% | $44.98M | 6 | 8 | <0.0001% |
| BULLS HERMAN E | director | 30574 0.0869% | $39.29M | 5 | 15 | +10.99% |
| Krusi Alan | 16828 0.0478% | $21.63M | 1 | 25 | <0.0001% | |
| Murdy William F | director | 16222 0.0461% | $20.85M | 2 | 69 | +6.07% |
| Tang Vance W | director | 4998 0.0142% | $6.42M | 2 | 17 | +33.58% |
| Wallis-Lage Cindy L. | director | 3812 0.0108% | $4.9M | 1 | 0 | +22.86% |
$146,360,297 | 83 | 18.54% | $8.19B | |
Comfort Systems USA, Inc. (FIX) | $12,423,097 | 82 | 12.17% | $45.23B |
$19,979,299 | 49 | -1.79% | $4.36B | |
$5,380,723 | 42 | 11.83% | $6.42B | |
$6,293,100 | 35 | 8.46% | $5.88B |
| Increased Positions | 614 | +65.11% | 5M | +14.39% |
| Decreased Positions | 425 | -45.07% | 5M | -15.97% |
| New Positions | 257 | New | 868,455 | New |
| Sold Out Positions | 83 | Sold Out | 546,941 | Sold Out |
| Total Postitions | 1,132 | +20.04% | 33M | -1.59% |
| Blackrock, Inc. | $3.99M | 11.37% | 3.98M | +96,388 | +2.48% | 2025-09-30 |
| Vanguard Group Inc | $3.7M | 10.53% | 3.68M | -87,859 | -2.33% | 2025-09-30 |
| Fmr Llc | $1.9M | 5.41% | 1.89M | +321,531 | +20.47% | 2025-09-30 |
| Capital World Investors | $1.81M | 5.14% | 1.8M | -427,843 | -19.21% | 2025-09-30 |
| Invesco Ltd. | $1.07M | 3.04% | 1.06M | +73,727 | +7.44% | 2025-09-30 |
| State Street Corp | $1.06M | 3.01% | 1.05M | -20,221 | -1.88% | 2025-09-30 |
| Geode Capital Management, Llc | $856,575.00 | 2.44% | 853,468 | +31,571 | +3.84% | 2025-09-30 |
| Aqr Capital Management Llc | $838,601.00 | 2.39% | 835,560 | +53,125 | +6.79% | 2025-09-30 |
| Westfield Capital Management Co Lp | $836,228.00 | 2.38% | 833,195 | -103,217 | -11.02% | 2025-09-30 |
| Jpmorgan Chase & Co | $737,193.00 | 2.1% | 734,519 | +197,613 | +36.81% | 2025-09-30 |