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Active cluster sell — 3 distinct insiders, $56.3M, window ends Aug 26, 2026.
Figures computed from official regulatory filings — .
Analysttarget 2,197 USD (+28%) · consensus 4.8/5 · 9 buy · 1 hold · 0 sell
Ownershipinsiders 1.08% · institutions 95.65% · short 2.8% of float
In USD · as of Oct 5, 2026
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Data for COMFORT SYSTEMS USA INC only. No web search. Global per-insider statistics are excluded.
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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, integration, installation, and start-up of mechanical, electrical, and plumbing (MEP) and related systems in new buildings; and renovation, expansion, maintenance, monitoring, repair, and replacement of systems in existing buildings. In addition, it provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. The company serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
87 buys395 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Lane Brian E.track record | Sell | $25.8M | Unusual size | SEC |
| GEORGE WILLIAM III | Sell | $4.7M | SEC |
| MYERS FRANKLINtrack record | Sell | $5.9M | SEC |
| MYERS FRANKLINtrack record | Sell | $6.8M | SEC |
| MYERS FRANKLINtrack record | Sell | $13.1M | Unusual size | SEC |
| Hardy Rhoman J | Sell | $649.8K | SEC |
| MYERS FRANKLINtrack record | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MYERS FRANKLINtrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| SANDBROOK WILLIAM Jtrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Kapoor Gaurav | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Wallis-Lage Cindy L. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| BULLS HERMAN Etrack record | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| ANDERSON DARCY | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Hardy Rhoman J | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Mercado, Pablo G. | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Skidmore Constance Ellen | Award | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| GEORGE WILLIAM III | Sell | $7.8M | SEC |
| GEORGE WILLIAM III | Sell | $2M | SEC |
| Shaeff Julie | Sell | $2.2M | Unusual size | SEC |
| MYERS FRANKLINtrack record | Sell | $8.6M | SEC |
| MYERS FRANKLINtrack record | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MYERS FRANKLINtrack record | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MYERS FRANKLINtrack record | Gift | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lane Brian E.track record | Sell | $21.9M | Unusual size | SEC |
| Mercado, Pablo G. | Sell | $889.9K | SEC |