Comfort Systems Usa, Inc.
A company that designs, installs, and maintains the heating, cooling, ventilation, electrical, and plumbing systems inside commercial, industrial, and institutional buildings — from data centers and factories to hospitals and schools. Founded in 1997 when a dozen independent regional mechanical contractors merged into one national firm, it has since grown through acquisitions while keeping local crews in dozens of cities. Fun fact: its ticker is "FIX," a fitting nod to the repair-and-maintenance work that makes up a big part of its business.
Granted 1.08M · Bought 9.9K · Sold 1.00M
Granted 776.6K · Sold 521.1K
Granted 138.9K · Bought 15.0K · Sold 70.0K
Granted 210.4K · Sold 154.0K
Granted 114.7K · Bought 193.4K · Sold 218.3K
Sold 827.0K
Granted 115.0K · Bought 15.0K · Sold 100.0K
Granted 700.5K · Bought 4.5K · Sold 471.0K
Granted 159.7K · Bought 2.5K · Sold 96.3K
Granted 30.0K · Sold 309.8K
Granted 264.7K · Sold 179.4K
Granted 84.7K · Sold 60.3K
Granted 82.7K · Bought 2.0K · Sold 72.9K
Granted 49.7K · Sold 37.0K
Granted 249.7K · Sold 213.3K
Granted 13.8K
Granted 13.6K · Bought 500 · Sold 3.0K
Granted 17.3K · Bought 10.0K · Sold 18.7K
Granted 5.8K · Bought 4.47
Granted 5.4K
Granted 49.3K · Bought 17.0K · Sold 51.4K
Granted 13.9K · Bought 1.6K · Sold 13.4K
Granted 4.3K · Sold 1.8K
Granted 1.4K · Bought 783.92 · Sold 342
Granted 832
Granted 217
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Murdy William FDirector · 145 transactions | — | 524.6Kas of Apr 2014 | 1.08M | 9.9K | 1.00M |
| Lane Brian E.CHIEF EXECUTIVE OFF., Director · 146 transactions | — | 145.1K | 776.6K | — | 521.1K |
| Schultz James HDirector · 27 transactions | — | 88.9Kas of May 2020 | 138.9K | 15.0K | 70.0K |
| Tanner Thomas NSenior Regional Vice President · 29 transactions | — | 88.9Kas of Nov 2009 | 210.4K | — | 154.0K |
| Myers FranklinDirector · 114 transactions | — | 74.6K | 114.7K | 193.4K | 218.3K |
| Harter Steven SDirector · 16 transactions | — | 55.0Kas of Dec 2006 | — | — | 827.0K |
| Wagner Robert DDirector · 29 transactions | — | 35.0Kas of Nov 2013 | 115.0K | 15.0K | 100.0K |
| George William IIICHIEF FINANCIAL OFFICER · 204 transactions | — | 32.8K | 700.5K | 4.5K | 471.0K |
| Bulls Herman EDirector · 56 transactions | — | 29.9K | 159.7K | 2.5K | 96.3K |
| Giardenelli Alfred J JrDirector · 32 transactions | — | 23.5Kas of Sep 2016 | 30.0K | — | 309.8K |
| Trent T McKennaPRESIDENT/CHIEF OPERATING OFF. · 146 transactions | — | 22.9K | 264.7K | — | 179.4K |
| Anderson DarcyDirector · 31 transactions | — | 18.1K | 84.7K | — | 60.3K |
| Krusi AlanDirector · 41 transactions | — | 16.8Kas of Jun 2022 | 82.7K | 2.0K | 72.9K |
| Skidmore Constance EllenDirector · 27 transactions | — | 12.7K | 49.7K | — | 37.0K |
| Shaeff JulieCHIEF ACCOUNTING OFFICER · 188 transactions | — | 12.6K | 249.7K | — | 213.3K |
| Mylett James MatthewSrVP - Service · 6 transactions | — | 12.3Kas of Apr 2016 | 13.8K | — | — |
| Howell Laura FinleySVP & GENERAL COUNSEL · 40 transactions | — | 7.9K | 13.6K | 500 | 3.0K |
| Sandbrook William JDirector · 22 transactions | — | 7.8K | 17.3K | 10.0K | 18.7K |
| Wallis-Lage Cindy L.Director · 7 transactions | — | 5.8K | 5.8K | 4.47 | — |
| Young Terrence AndrewSenior Vice President Service · 5 transactions | — | 5.5Kas of Apr 2021 | 5.4K | — | — |
| Tang Vance WDirector · 43 transactions | — | 5.0Kas of May 2025 | 49.3K | 17.0K | 51.4K |
| Mercado, Pablo G.Director · 20 transactions | — | 3.1K | 13.9K | 1.6K | 13.4K |
| Reed TerrenceSVP & CHRO · 23 transactions | — | 3.0K | 4.3K | — | 1.8K |
| Hardy Rhoman JDirector · 7 transactions | — | 1.9K | 1.4K | 783.92 | 342 |
| Kapoor GauravDirector · 3 transactions | — | 832 | 832 | — | — |
| Eslicker Rachel R.SVP & GENERAL COUNSEL · 4 transactions | — | 608 | 217 | — | — |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over all recorded history: -4.15M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.