FIX Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 1.24%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $168,607,096.68

Comfort Systems USA Insider Trading History Chart

Comfort Systems USA Share Price & Price History

^$1,227.74

▼ -98.49 (-7.43%)

As of 10/30/2026 03:59 PM ET

Days: 30 | 90 | 365

Comfort Systems USA Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
8/26/2026	Brian E. Lane	Insider	Sell	16,024	$1,608.21	$25,769,957.04	145,065
8/17/2026	William George, III	CFO	Sell	2,554	$1,859.65	$4,749,546.10	30,250
8/11/2026	Franklin Myers	Director	Sell	4,000	$1,693.92	$6,775,680.00	8,495
8/10/2026	Franklin Myers	Director	Sell	3,500	$1,690.47	$5,916,645.00	58,615
6/24/2026	Franklin Myers	Director	Sell	6,700	$1,954.47	$13,094,949.00	62,115
5/27/2026	Rhoman J. Hardy	Director	Sell	342	$1,900.08	$649,827.36	1,890
5/11/2026	Julie Shaeff	CAO	Sell	1,123	$2,000.37	$2,246,415.51	12,624
5/11/2026	William George, III	CFO	Sell	1,000	$2,020.96	$2,020,960.00	32,804
5/8/2026	William George, III	CFO	Sell	4,000	$1,948.17	$7,792,680.00	33,804
5/7/2026	Franklin Myers	Director	Sell	4,500	$1,902.57	$8,561,565.00	68,983
5/5/2026	Brian E. Lane	Insider	Sell	11,113	$1,969.84	$21,890,831.92	161,089
4/30/2026	Pablo G. Mercado	Director	Sell	500	$1,779.78	$889,890.00	3,000
4/29/2026	William J. Sandbrook	Director	Sell	1,500	$1,732.67	$2,599,005.00	7,666
3/3/2026	Darcy Anderson	Director	Sell	4,500	$1,369.74	$6,163,830.00	18,035
3/3/2026	Terrence Reed	SVP	Sell	1,116	$1,397.33	$1,559,420.28	2,834
2/25/2026	Brian E. Lane	Insider	Sell	9,365	$1,453.12	$13,608,468.80	171,523
2/25/2026	Franklin Myers	Director	Sell	8,636	$1,472.56	$12,717,028.16	73,995
2/24/2026	Constance Ellen Skidmore	Director	Sell	1,000	$1,425.00	$1,425,000.00	12,627
2/24/2026	Terrence Reed	SVP	Sell	671	$1,457.17	$977,761.07	3,950
2/24/2026	William J. Sandbrook	Director	Sell	2,500	$1,443.32	$3,608,300.00	9,166
2/23/2026	Pablo G. Mercado	Director	Sell	500	$1,405.00	$702,500.00	3,500
2/23/2026	William George, III	CFO	Sell	9,000	$1,434.97	$12,914,730.00	37,824
12/4/2025	Laura Finley Howell	SVP	Sell	1,000	$996.16	$996,160.00	7,938
12/1/2025	William George, III	CFO	Sell	4,370	$958.88	$4,190,305.60	39,824
11/24/2025	Brian E. Lane	Insider	Sell	7,158	$947.98	$6,785,640.84	180,888
10/31/2025	Darcy Anderson	Director	Sell	4,000	$958.72	$3,834,880.00	22,535
10/29/2025	Franklin Myers	Director	Sell	5,000	$1,006.68	$5,033,400.00	82,901
10/29/2025	Herman E. Bulls	Director	Sell	2,000	$1,013.62	$2,027,240.00	30,574
10/29/2025	Pablo G. Mercado	Director	Sell	2,500	$1,005.41	$2,513,525.00	4,000
9/10/2025	William J. Sandbrook	Director	Sell	800	$733.56	$586,848.00	11,666
9/9/2025	William J. Sandbrook	Director	Sell	700	$708.55	$495,985.00	12,466
8/22/2025	Pablo G. Mercado	Director	Sell	1,078	$695.88	$750,158.64	6,500
8/12/2025	Julie Shaeff	CAO	Sell	1,369	$704.50	$964,460.50	16,023
8/8/2025	William George, III	CFO	Sell	8,436	$692.60	$5,842,773.60	47,473
8/7/2025	Brian E. Lane	Insider	Sell	10,000	$691.74	$6,917,400.00	188,046
7/31/2025	Trent T. McKenna	COO	Sell	4,400	$716.63	$3,153,172.00	21,639
6/6/2025	Darcy Anderson	Director	Sell	8,000	$506.82	$4,054,560.00	26,535
5/13/2025	William George, III	CFO	Sell	12,500	$470.11	$5,876,375.00	47,473
5/7/2025	Brian E. Lane	Insider	Sell	15,000	$431.66	$6,474,900.00	198,046
5/7/2025	Darcy Anderson	Director	Sell	3,000	$431.66	$1,294,980.00	34,193
5/5/2025	Pablo G. Mercado	Director	Sell	1,800	$436.10	$784,980.00	7,236
5/1/2025	Vance W. Tang	Director	Sell	500	$422.00	$211,000.00	4,998
11/22/2024	Trent T. McKenna	COO	Sell	4,000	$484.81	$1,939,240.00	23,990
11/13/2024	Brian E. Lane	Insider	Sell	15,000	$448.88	$6,733,200.00	204,205
11/5/2024	Pablo G. Mercado	Director	Sell	2,500	$409.46	$1,023,650.00	9,036
10/30/2024	Franklin Myers	Chairman	Sell	12,000	$390.18	$4,682,160.00	106,498
10/28/2024	Vance W. Tang	Director	Sell	2,700	$390.00	$1,053,000.00	5,498
8/27/2024	Darcy Anderson	Director	Sell	3,546	$336.19	$1,192,129.74	37,193
8/20/2024	William George, III	CFO	Sell	5,845	$332.16	$1,941,475.20	55,099
8/14/2024	Brian E. Lane	Insider	Sell	15,000	$329.55	$4,943,250.00	219,205
6/5/2024	Vance W. Tang	Director	Sell	3,473	$310.00	$1,076,630.00	8,198
5/15/2024	Vance W. Tang	Director	Sell	988	$343.00	$338,884.00	11,173
5/7/2024	Darcy Anderson	Director	Sell	3,500	$344.90	$1,207,150.00	40,241
3/11/2024	Constance Ellen Skidmore	Director	Sell	3,000	$299.96	$899,880.00	13,787
3/5/2024	Darcy Anderson	Director	Sell	3,800	$316.60	$1,203,080.00	43,741
3/1/2024	Brian E. Lane	Insider	Sell	16,000	$312.13	$4,994,080.00	227,926
2/26/2024	Pablo G. Mercado	Director	Sell	1,200	$283.17	$339,804.00	11,038
2/26/2024	Trent T. McKenna	COO	Sell	14,185	$278.55	$3,951,231.75	22,644
2/26/2024	William George, III	CFO	Sell	8,429	$278.95	$2,351,269.55	62,471
12/11/2023	Constance Ellen Skidmore	Director	Sell	3,000	$193.40	$580,200.00	16,787
12/6/2023	Rhoman J. Hardy	Director	Buy	784	$191.32	$149,994.88	1,287
11/9/2023	William J. Sandbrook	Director	Sell	5,000	$185.19	$925,950.00	13,026

SEC Filings (Institutional Ownership Changes) for Comfort Systems USA (NYSE:FIX)

96.51% of Comfort Systems USA stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Comfort Systems USA Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
10/31/2026	Cowa LLC	13,104	$21.68M	5.2%	+5.3%	0.037%
10/31/2026	Chicago Partners Investment Group LLC	2,083	$2.42M	0.0%	-6.9%	0.006%
10/31/2026	Covestor Ltd	475	$0.79M	0.4%	+525.0%	0.001%
10/31/2026	Ascent Group LLC	121	$0.20M	0.0%	-9.0%	0.000%
10/30/2026	Compass Financial Management LLC	52	$86K	0.0%	-95.4%	0.000%
10/30/2026	Provenance Wealth Advisors LLC	230	$0.38M	0.0%	+2,455.6%	0.001%
10/30/2026	Lyell Wealth Management LP	3,925	$6.49M	0.4%	N/A	0.011%
10/30/2026	Integrity Alliance LLC.	353	$0.58M	0.0%	+54.1%	0.001%
10/30/2026	Mountain Pacific Investment Advisers LLC	5,720	$9.46M	1.6%	-7.5%	0.016%
10/30/2026	Oregon Public Employees Retirement Fund	4,323	$7.15M	0.1%	-0.3%	0.012%
10/30/2026	Gallacher Capital Management LLC	223	$0.37M	0.3%	+19.9%	0.001%
10/30/2026	Aware Super Pty Ltd as trustee of Aware Super	26,416	$43.69M	0.6%	+16.2%	0.075%
10/30/2026	Tucker Asset Management LLC	311	$0.51M	0.1%	+25.9%	0.001%
10/30/2026	XML Financial LLC	266	$0.44M	0.0%	-8.6%	0.001%
10/29/2026	Trek Financial LLC	167	$0.28M	0.0%	+29.5%	0.000%
10/29/2026	Bank Julius Baer & Co. Ltd Zurich	52,064	$86.24M	0.2%	-0.8%	0.149%
10/29/2026	Virtue Capital Management LLC	2,629	$4.35M	0.6%	+6.4%	0.008%
10/29/2026	Greenleaf Trust	617	$1.02M	0.0%	+3.4%	0.002%
10/29/2026	Nippon Life Global Investors Americas Inc.	460	$0.76M	0.0%	-92.9%	0.001%
10/29/2026	Sumitomo Mitsui Trust Group Inc.	83,221	$137.66M	0.1%	-2.1%	0.238%
10/29/2026	Mirae Asset Global Investments Co. Ltd.	22,429	$37.10M	0.1%	N/A	0.064%
10/29/2026	Profund Advisors LLC	316	$0.52M	0.0%	-13.2%	0.001%
10/29/2026	ProShare Advisors LLC	6,739	$11.15M	0.0%	+3.8%	0.019%
10/29/2026	Vise Technologies Inc.	2,005	$3.32M	0.0%	-13.3%	0.006%
10/29/2026	Intrua Financial LLC	156	$0.26M	0.0%	-30.4%	0.000%
10/29/2026	Moss Adams Wealth Advisors LLC	183	$0.30M	0.0%	-10.3%	0.001%
10/29/2026	Summit Global Investments	575	$0.95M	0.0%	+12.5%	0.002%
10/29/2026	MGO One Seven LLC	962	$1.59M	0.0%	-5.6%	0.003%
10/29/2026	Americana Partners LLC	413	$0.68M	0.0%	+5.4%	0.001%
10/29/2026	Avestar Capital LLC	187	$0.31M	0.0%	-37.5%	0.001%
10/28/2026	International Assets Investment Management LLC	45,501	$75.26M	0.6%	+25,900.6%	0.130%
10/28/2026	Prosperitas Financial LLC	3,995	$6.61M	2.0%	-30.7%	0.011%
10/28/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	36,056	$59.64M	0.4%	+6.5%	0.103%
10/28/2026	Parcion Private Wealth LLC	1,191	$1.97M	0.1%	-6.2%	0.003%
10/28/2026	Soltis Investment Advisors LLC	1,351	$2.24M	0.1%	-4.4%	0.004%
10/28/2026	Bosman Wealth Management LLC	1,824	$3.02M	1.9%	-1.9%	0.005%
10/28/2026	Choreo LLC	420	$0.70M	0.0%	+15.7%	0.001%
10/28/2026	D.A. Davidson & CO.	247	$0.41M	0.0%	-5.0%	0.000%
10/28/2026	BOKF NA	299	$0.50M	0.0%	N/A	0.000%
10/28/2026	Motley Fool Asset Management LLC	3,306	$5.47M	0.2%	+15.3%	0.000%
10/28/2026	North Dakota State Investment Board	1,243	$2.06M	0.1%	+20.1%	0.000%
10/28/2026	VestGen Advisors LLC	6,268	$10.37M	0.3%	-16.0%	0.000%
10/27/2026	Moody Aldrich Partners LLC	191	$0.32M	0.1%	-30.5%	0.001%
10/27/2026	Smith Group Asset Management LLC	31,600	$52.27M	3.4%	-39.0%	0.090%
10/27/2026	Generali Asset Management SPA SGR	867	$1.43M	0.0%	-22.8%	0.002%
10/27/2026	Asset Management One Co. Ltd.	21,424	$35.44M	0.1%	-11.8%	0.061%
10/27/2026	Latitude Advisors LLC	65	$0.11M	0.0%	N/A	0.000%
10/27/2026	Balance Wealth Partners LLC	50	$83K	0.0%	N/A	0.000%
10/27/2026	Roman Butler Fullerton & Co.	715	$1.18M	0.3%	-17.1%	0.002%
10/27/2026	SYM FINANCIAL Corp	716	$1.18M	0.1%	-6.6%	0.002%
10/27/2026	WD Rutherford LLC	308	$0.51M	0.2%	-4.3%	0.001%
10/26/2026	Penobscot Investment Management Company Inc.	5,421	$8.97M	0.6%	-17.5%	0.015%
10/26/2026	Oppenheimer & Co. Inc.	534	$0.88M	0.0%	-55.9%	0.002%
10/26/2026	Park Avenue Securities LLC	4,042	$6.69M	0.0%	+8.5%	0.012%
10/26/2026	Geneva Partners LLC	1,743	$2.88M	0.9%	-59.6%	0.005%
10/26/2026	Westover Capital Advisors LLC	719	$1.19M	0.2%	+8.9%	0.002%
10/26/2026	Peterson Wealth Services	16,181	$26.77M	5.6%	+0.5%	0.046%
10/24/2026	Apollon Wealth Management LLC	2,040	$3.37M	0.0%	-21.5%	0.006%
10/24/2026	Hedeker Wealth LLC	6,795	$11.24M	2.0%	-3.2%	0.019%
10/24/2026	Sigma Planning Corp	248	$0.41M	0.0%	-76.8%	0.001%
10/24/2026	Dedeker Financial LLC	2,407	$3.98M	2.3%	+1.0%	0.007%
10/24/2026	EULAV Asset Management	25,764	$42.62M	1.5%	-6.7%	0.073%
10/23/2026	Radnor Capital Management LLC	150	$0.25M	0.0%	N/A	0.000%
10/23/2026	Signaturefd LLC	870	$1.44M	0.0%	-1.0%	0.002%
10/23/2026	Citizens Financial Group Inc. RI	1,813	$3M	0.0%	+40.3%	0.005%
10/23/2026	Anderson Hoagland & Co.	4,009	$6.63M	0.5%	-7.4%	0.011%
10/23/2026	Simplicity Wealth LLC	539	$0.89M	0.0%	+77.9%	0.002%
10/23/2026	Sowell Financial Services LLC	930	$1.54M	0.0%	-6.6%	0.003%
10/23/2026	One Wealth Capital Management LLC	446	$0.74M	0.3%	+58.2%	0.001%
10/23/2026	Ascent Wealth Partners LLC	2,807	$4.64M	0.4%	+1.4%	0.008%
10/23/2026	Evergreen Capital Management LLC	2,911	$4.82M	0.1%	-1.0%	0.008%
10/23/2026	Wedbush Securities Inc.	246	$0.41M	0.0%	+20.6%	0.001%
10/23/2026	Sterling Capital Management LLC	705	$1.17M	0.0%	-59.7%	0.002%
10/23/2026	Inspire Investing LLC	5,065	$8.38M	0.3%	+14.2%	0.014%
10/22/2026	MBL Wealth LLC	514	$0.85M	0.1%	+92.5%	0.001%
10/22/2026	Cogent Strategic Wealth LLC	192	$0.32M	0.3%	-13.1%	0.001%
10/22/2026	Strategic Planning Group LLC	17,239	$28.52M	3.0%	+18.2%	0.049%
10/22/2026	Brookstone Capital Management	143	$0.24M	0.0%	-21.9%	0.000%
10/22/2026	Five Oceans Advisors	227	$0.38M	0.1%	-5.4%	0.001%
10/22/2026	Root Financial Partners LLC	334	$0.55M	0.0%	-12.3%	0.001%
10/22/2026	Precedent Wealth Partners LLC	122	$0.20M	0.0%	N/A	0.000%
10/22/2026	AMF Tjanstepension AB	108,624	$179.67M	1.1%	-0.9%	0.309%
10/22/2026	E. Ohman J or Asset Management AB	1,207	$2M	0.0%	-92.2%	0.003%
10/22/2026	SBI Securities Co. Ltd.	291	$0.48M	0.0%	-44.6%	0.001%
10/22/2026	Cardinal Point Capital Management ULC	3,129	$5.18M	0.3%	-0.6%	0.009%
10/22/2026	Vest Financial LLC	15,907	$26.31M	0.3%	+183.8%	0.045%
10/22/2026	Cantor Fitzgerald Investment Advisors L.P.	1,600	$2.65M	0.1%	N/A	0.005%
10/21/2026	Crossmark Global Holdings Inc.	4,962	$8.21M	0.1%	+17.2%	0.014%
10/21/2026	Sowell Financial Services LLC	930	$1.54M	0.0%	-6.6%	0.003%
10/21/2026	Range Financial Group LLC	285	$0.47M	0.1%	+2.9%	0.001%
10/21/2026	Pinnacle Associates Ltd.	544	$0.90M	0.0%	-13.5%	0.002%
10/21/2026	Nisa Investment Advisors LLC	11,605	$19.20M	0.1%	-2.7%	0.033%
10/21/2026	Robeco Institutional Asset Management B.V.	35,510	$58.74M	0.1%	-2.5%	0.101%
10/21/2026	Diversify Advisory Services LLC	3,278	$5.42M	0.1%	-27.0%	0.009%
10/20/2026	Prime Capital Investment Advisors LLC	742	$1.23M	0.0%	-1.3%	0.002%
10/20/2026	Net Worth Advisory Group	188	$0.32M	0.1%	-7.8%	0.001%
10/20/2026	Freedom Day Solutions LLC	4,263	$7.05M	1.5%	-9.6%	0.012%
10/20/2026	Sumitomo Mitsui DS Asset Management Company Ltd	12,820	$21.21M	0.1%	+0.1%	0.036%
10/20/2026	CWA Asset Management Group LLC	134	$0.22M	0.0%	-8.2%	0.000%
10/20/2026	Investment Research Partners LLC	264	$0.44M	0.1%	-21.0%	0.001%

Data available starting January 2016

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. It operates through two segments, Mechanical and Electrical. The company offers heating, ventilation, and air conditioning systems, as well as plumbing, electrical, piping and controls, off-site construction, monitoring, and fire protection. It also engages 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 MEP systems in existing buildings. In addition, the company provides remote monitoring of power usage, temperature, pressure, humidity and air flow for MEP and other building systems. It serves building owners and developers, general contractors, architects, consulting engineers, and property managers in the commercial, industrial, and institutional MEP markets. Comfort Systems USA, Inc. was founded in 1917 and is headquartered in Houston, Texas.

Today's Range

Now: $1,227.74

$1,216.05

$1,294.15

50 Day Range

MA: $1,561.25

$1,158.74

$1,820.80

52 Week Range

Now: $1,227.74

$841.66

$2,073.99

Volume

763,359 shs

Average Volume

559,719 shs

Market Capitalization

$42.96 billion

P/E Ratio

26.51

Dividend Yield

0.29%

Beta

1.64

Who are the company insiders with the largest holdings of Comfort Systems USA?: Comfort Systems USA's top insider shareholders include:
Brian E Lane (Insider)
Franklin Myers (Chairman)
Franklin Myers (Director)
Alfred Giardenelli, Jr (Director)
James H Schultz (Director)
William George III (CFO)
Alan Krusi (Director)
T Mckenna Trent (VP)
Herman E Bulls (Director)
Julie Shaeff (CAO)
Learn More about top insider investors at Comfort Systems USA.
Who are the major institutional investors of Comfort Systems USA?: Comfort Systems USA's top institutional investors include:
AMF Tjanstepension AB — 0.31%
Sumitomo Mitsui Trust Group Inc. — 0.24%
Artemis Investment Management LLP — 0.18%
Assenagon Asset Management S.A. — 0.15%
Bank Julius Baer & Co. Ltd Zurich — 0.15%
GoalVest Advisory LLC — 0.13%
Learn More about top institutional investors of Comfort Systems USA stock.
Which major investors are selling Comfort Systems USA stock?: Within the previous quarter, FIX stock was sold by these institutional investors:
Curated Wealth Partners LLC
Vontobel Holding Ltd.
Smith Group Asset Management LLC
Congress Asset Management Co.
E. Ohman J or Asset Management AB
Nippon Life Global Investors Americas Inc.
Asset Management One Co. Ltd.
TD Waterhouse Canada Inc.
During the previous year, company insiders that have sold Comfort Systems USA company stock include:
Brian E Lane (Insider)
Franklin Myers (Director)
William George III (CFO)
Darcy Anderson (Director)
Constance Ellen Skidmore (Director)
Julie Shaeff (CAO)
William J Sandbrook (Director)
Laura Finley Howell (SVP)
Terrence Reed (SVP)
Pablo G Mercado (Director)
Rhoman J Hardy (Director)
Learn More investors selling Comfort Systems USA stock.
Which major investors are buying Comfort Systems USA stock?: Within the previous quarter, FIX stock was acquired by institutional investors including:
GoalVest Advisory LLC
Artemis Investment Management LLP
International Assets Investment Management LLC
Mirae Asset Global Investments Co. Ltd.
Assenagon Asset Management S.A.
Zevenbergen Capital Investments LLC
Vest Financial LLC
Lyell Wealth Management LP