FIX insider trading
NYSE IndustrialsCOMFORT SYSTEMS USA INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About COMFORT SYSTEMS USA INC
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.
Company website: comfortsystemsusa.com
FIX insider activity at a glance
FilingIQ has scored 811 insider transactions for FIX since Aug 8, 2013. The most recent filing in our index is dated May 11, 2026.
Across the full history, 41 open-market purchases
and 177 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on FIX insider trades is 62.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest FIX Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
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Frequently asked
- How many insider trades does FilingIQ track for FIX?
- FilingIQ tracks 811 Form 4 insider transactions for FIX (COMFORT SYSTEMS USA INC), covering filings from Aug 8, 2013 onwards. 56 of those were filed in the last 90 days.
- Are FIX insiders net buyers or net sellers?
- Across the full Form 4 history for FIX, 41 transactions (5%) were open-market purchases and 177 (22%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does FIX insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is FIX in?
- COMFORT SYSTEMS USA INC (FIX) is classified in the Industrials sector, specifically Engineering & Construction, with a current market capitalisation of $50.80B.
Methodology & sources
Every FIX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.