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Comfort Systems USA Inc

FIX
Exchange
NYSE
Industry
Electrical Work
SEC CIK
0001035983

In the last 90 days, Comfort Systems USA Inc insiders filed 0 open-market purchases and 3 sales; 1,357 institutions reported holding it in 13F filings for Q2 2026, worth $68.7B in total; superinvestors Coatue Management and Markel Group hold it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Comfort Systems USA Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
3 insiders, $43.2M in total
Insiders trading
3
Net value
−$43.2M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Comfort Systems USA Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Comfort Systems USA Inc
NameTitleLast reported holdingLast filingFilings, past year
Lane Brian E.CHIEF EXECUTIVE OFF.145,065Aug 27, 20266
George William IIICHIEF FINANCIAL OFFICER30,250Aug 18, 20266
Myers FranklinDirector8,495IndirectAug 12, 20268
Hardy Rhoman JDirector1,890May 28, 20262
Anderson DarcyDirector18,140May 19, 20263
Bulls Herman EDirector29,879May 19, 20263
Sandbrook William JDirector7,771May 19, 20263
Mercado, Pablo G.Director3,105May 19, 20264
Skidmore Constance EllenDirector12,732May 19, 20262
Kapoor GauravDirector832IndirectMay 19, 20261
Wallis-Lage Cindy L.Director5,818IndirectMay 19, 20261
Shaeff JulieCHIEF ACCOUNTING OFFICER12,624May 11, 20264
Trent T McKennaPRESIDENT/CHIEF OPERATING OFF.22,346Apr 3, 20262
Reed TerrenceSVP & CHRO2,968Apr 3, 20263
Eslicker Rachel R.SVP & GENERAL COUNSEL608Apr 3, 20262
Howell Laura FinleySVP & GENERAL COUNSEL7,938Dec 5, 20251
Tang Vance WDirector4,998IndirectMay 2, 20250
Krusi AlanDirector16,828IndirectJun 17, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 27, 2026 (view filing)4:30 PM ETAug 261 dayLane Brian E.CHIEF EXECUTIVE OFF.SSale−16.0K$1,608.21−$25.8M−9.9%145.1K after
Aug 18, 2026 (view filing)6:00 PM ETAug 171 dayGeorge William IIICHIEF FINANCIAL OFFICERSSale−2.55K$1,859.65−$4.75M−7.8%30.3K after
Aug 12, 2026 (view filing)4:30 PM ETAug 102 daysMyers FranklinDirectorSSale−3.50K$1,690.47−$5.92M−5.6%58.6K after
Aug 12, 2026 (view filing)4:30 PM ETAug 111 dayMyers FranklinDirectorSSale−4.00K$1,693.92−$6.78M−32.0%8.49K after
Jun 26, 2026 (view filing)Jun 242 daysMyers FranklinDirectorSSale−6.70K$1,954.47−$13.1M−9.7%62.1K after
May 28, 2026 (view filing)May 271 dayHardy Rhoman JDirectorSSale−342$1,900.08−$649.8K−15.3%1.89K after
May 12, 2026 (view filing)May 8-114 daysGeorge William IIICHIEF FINANCIAL OFFICERSSale−5.00K$1,962.73−$9.81M−13.2%32.8K after2 lots
May 11, 2026 (view filing)May 11Same dayShaeff JulieCHIEF ACCOUNTING OFFICERSSale−1.12K$2,000.37−$2.25M−8.2%12.6K after
May 8, 2026 (view filing)May 71 dayMyers FranklinDirectorSSale−4.50K$1,902.57−$8.56M−6.1%69.0K after
May 6, 2026 (view filing)May 51 dayLane Brian E.CHIEF EXECUTIVE OFF.SSale−11.1K$1,969.84−$21.9M−6.5%161.1K after
May 1, 2026 (view filing)Apr 301 dayMercado, Pablo G.DirectorSSale−500$1,779.78−$889.9K−14.3%3.00K after
Apr 30, 2026 (view filing)Apr 291 daySandbrook William JDirectorSSale−1.50K$1,732.67−$2.60M−16.4%7.67K after
Mar 5, 2026 (view filing)Feb 24-Mar 39 daysLateReed TerrenceSVP & CHROSSale−1.79K$1,419.80−$2.54M−38.7%2.83K after2 lots
Mar 5, 2026 (view filing)Mar 32 daysAnderson DarcyDirectorSSale−4.50K$1,369.74−$6.16M−20.0%18.0K after
Mar 4, 2026 (view filing)Mar 31 dayShaeff JulieCHIEF ACCOUNTING OFFICERSSale−2.29K$1,382.15−$3.16M−14.3%13.7K after
Feb 27, 2026 (view filing)Feb 252 daysMyers FranklinDirectorSSale−8.64K$1,472.56−$12.7M−10.5%74.0K after
Feb 26, 2026 (view filing)Feb 242 daysSandbrook William JDirectorSSale−2.50K$1,443.32−$3.61M−21.4%9.17K after
Feb 26, 2026 (view filing)Feb 251 dayLane Brian E.PRESIDENT/CHIEF EXECUTIVE OFF.SSale−9.37K$1,453.12−$13.6M−5.2%171.5K after
Feb 24, 2026 (view filing)Feb 24Same daySkidmore Constance EllenDirectorSSale−1.00K$1,425.00−$1.43M−7.3%12.6K after
Feb 24, 2026 (view filing)Feb 231 dayMercado, Pablo G.DirectorSSale−500$1,405.00−$702.5K−12.5%3.50K after
Feb 24, 2026 (view filing)Feb 231 dayGeorge William IIICHIEF FINANCIAL OFFICERSSale−9.00K$1,434.97−$12.9M−19.2%37.8K after
Dec 5, 2025 (view filing)Dec 41 dayHowell Laura FinleySVP & GENERAL COUNSELSSale−1.00K$996.16−$996.2K−11.2%7.94K after
Dec 3, 2025 (view filing)Dec 12 daysGeorge William IIICHIEF FINANCIAL OFFICERSSale−4.37K$958.88−$4.19M−9.9%39.8K after
Nov 25, 2025 (view filing)Nov 241 dayLane Brian E.PRESIDENT/CHIEF EXECUTIVE OFF.SSale−7.16K$947.98−$6.79M−3.8%180.9K after
Nov 3, 2025 (view filing)Oct 313 daysAnderson DarcyDirectorSSale−4.00K$958.72−$3.83M−15.1%22.5K after
Oct 31, 2025 (view filing)Oct 292 daysMyers FranklinDirectorSSale−5.00K$1,006.68−$5.03M−5.7%82.9K after
Oct 31, 2025 (view filing)Oct 292 daysBulls Herman EDirectorSSale−2.00K$1,013.62−$2.03M−6.1%30.6K after
Oct 30, 2025 (view filing)Oct 291 dayMercado, Pablo G.DirectorSSale−2.50K$1,005.41−$2.51M−38.5%4.00K after
Sep 10, 2025 (view filing)Sep 9-101 daySandbrook William JDirectorSSale−1.50K$721.89−$1.08M−11.4%11.7K after3 lots
Aug 28, 2025 (view filing)Aug 271 dayBulls Herman EDirectorSSale−3.00K$710.00−$2.13M−8.4%32.6K after
Aug 27, 2025 (view filing)Aug 252 daysSandbrook William JDirectorSSale−700$689.58−$482.7K−5.0%13.2K after
Aug 25, 2025 (view filing)Aug 223 daysMercado, Pablo G.DirectorSSale−1.08K$695.88−$750.2K−14.2%6.50K after
Aug 13, 2025 (view filing)Aug 121 dayShaeff JulieCHIEF ACCOUNTING OFFICERSSale−1.37K$704.50−$964.5K−7.9%16.0K after
Aug 12, 2025 (view filing)Aug 84 daysGeorge William IIICHIEF FINANCIAL OFFICERSSale−8.44K$692.60−$5.84M−15.1%47.5K after
Aug 8, 2025 (view filing)Aug 71 dayLane Brian E.PRESIDENT/CHIEF EXECUTIVE OFF.SSale−10.0K$691.74−$6.92M−5.0%188.0K after
Aug 7, 2025 (view filing)Aug 61 dayMyers FranklinDirector, Other: CHAIRMAN OF THE BOARDSSale−4.50K$683.57−$3.08M−4.3%100.4K after
Aug 1, 2025 (view filing)Jul 311 dayTrent T McKennaEVP & CHIEF OPERATING OFFICERSSale−4.40K$716.63−$3.15M−16.9%21.6K after
Jun 11, 2025 (view filing)Jun 92 daysBulls Herman EDirectorSSale−2.50K$500.01−$1.25M−6.6%35.6K after
Jun 9, 2025 (view filing)Jun 63 daysAnderson DarcyDirectorSSale−8.00K$506.82−$4.05M−23.2%26.5K after
May 14, 2025 (view filing)May 131 dayGeorge William IIICHIEF FINANCIAL OFFICERSSale−12.5K$470.11−$5.88M−20.8%47.5K after
May 13, 2025 (view filing)May 121 daySkidmore Constance EllenDirectorSSale−1.00K$452.98−$453.0K−7.0%13.3K after
May 9, 2025 (view filing)May 72 daysLane Brian E.PRESIDENT/CHIEF EXECUTIVE OFF.SSale−15.0K$431.66−$6.47M−7.0%198.0K after
May 9, 2025 (view filing)May 72 daysAnderson DarcyDirectorSSale−3.00K$431.66−$1.29M−8.1%34.2K after
May 6, 2025 (view filing)May 51 dayMercado, Pablo G.DirectorSSale−1.80K$436.10−$785.0K−19.9%7.24K after
May 2, 2025 (view filing)May 11 dayTang Vance WDirectorSSale−500$422.00−$211.0K−9.1%5.00K after
Nov 25, 2024 (view filing)Nov 223 daysTrent T McKennaEVP & CHIEF OPERATING OFFICERSSale−4.00K$484.81−$1.94M−14.3%24.0K after
Nov 15, 2024 (view filing)Nov 132 daysLane Brian E.PRESIDENT/CHIEF EXECUTIVE OFF.SSale−15.0K$448.88−$6.73M−6.8%204.2K after
Nov 12, 2024 (view filing)Nov 84 daysGeorge William IIICHIEF FINANCIAL OFFICERSSale−5.44K$459.73−$2.50M−9.9%49.7K after
Nov 7, 2024 (view filing)Nov 52 daysMercado, Pablo G.DirectorSSale−2.50K$409.46−$1.02M−21.7%9.04K after
Oct 31, 2024 (view filing)Oct 301 dayMyers FranklinDirector, Other: CHAIRMAN OF THE BOARDSSale−12.0K$390.18−$4.68M−10.1%106.5K after