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): $144,420,162.28

Comfort Systems USA Insider Trading History Chart

Comfort Systems USA Share Price & Price History

^$1,971.17

▲ +3.763 (0.19%)

As of 06/18/2026 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
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
10/31/2023	Vance W. Tang	Director	Sell	2,288	$182.50	$417,560.00	22,770
9/11/2023	Constance Ellen Skidmore	Director	Sell	3,000	$187.66	$562,980.00	19,787
9/7/2023	Laura Finley Howell	SVP	Sell	1,350	$187.59	$253,246.50	6,965
8/31/2023	Franklin Myers	Chairman	Sell	30,000	$184.85	$5,545,500.00	120,065
8/28/2023	Brian E. Lane	Insider	Sell	6,400	$181.29	$1,160,256.00	277,526
8/8/2023	Vance W. Tang	Director	Sell	1,844	$182.00	$335,608.00	25,058

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
6/18/2026	Pacer Advisors Inc.	1,785	$2.46M	0.0%	-36.4%	0.005%
6/18/2026	Wealth High Governance Capital Ltda	14,023	$19.34M	5.8%	N/A	0.040%
6/18/2026	Wealth High Governance Asset Management Ltda.	11,954	$16.48M	5.8%	N/A	0.034%
6/3/2026	Parallel Advisors LLC	663	$0.91M	0.0%	+17.3%	0.002%
6/3/2026	NewEdge Advisors LLC	4,964	$6.85M	0.0%	+7.4%	0.014%
6/1/2026	Caerus Investment Advisors LLC	1,214	$1.67M	0.7%	-21.1%	0.003%
5/26/2026	Glenmede Trust Co. NA	424	$0.59M	0.0%	+26.9%	0.001%
5/22/2026	Groupama Asset Managment	430	$0.59M	0.0%	N/A	0.001%
5/22/2026	Verus Capital Partners LLC	990	$1.37M	0.1%	-23.7%	0.003%
5/21/2026	Argent Capital Management LLC	6,985	$9.63M	0.3%	+20.8%	0.020%
5/19/2026	Western Wealth Management LLC	60	$83K	0.0%	N/A	0.000%
5/19/2026	NewEdge Advisors LLC	3,414	$4.71M	0.1%	-26.2%	0.010%
5/19/2026	Ariadne Wealth Management LP	904	$1.25M	0.6%	-4.4%	0.003%
5/19/2026	Bank of America Corp DE	129,056	$177.97M	0.0%	-16.5%	0.367%
5/19/2026	Edgestream Partners L.P.	4,938	$6.81M	0.2%	N/A	0.014%
5/19/2026	Janus Henderson Group PLC	115,378	$159.08M	0.1%	+16.6%	0.328%
5/19/2026	Centaurus Financial Inc.	240	$0.33M	0.0%	-88.8%	0.001%
5/19/2026	Cim LLC	5,116	$7.06M	1.0%	-35.8%	0.015%
5/19/2026	Oddo BHF Asset Management Sas	4,138	$5.71M	0.2%	N/A	0.012%
5/19/2026	Bull Harbor Capital LLC	2,896	$3.99M	1.1%	N/A	0.008%
5/19/2026	Ashton Thomas Securities LLC	281	$0.39M	0.0%	-13.5%	0.001%
5/19/2026	Arkadios Wealth Advisors	783	$1.08M	0.0%	+11.1%	0.002%
5/19/2026	South Dakota Investment Council	6,930	$9.56M	0.2%	-34.5%	0.020%
5/19/2026	Altshuler Shaham Ltd	1,766	$2.44M	0.0%	+69.5%	0.005%
5/19/2026	Smith Group Asset Management LLC	59,568	$82.14M	4.2%	-8.2%	0.169%
5/18/2026	Sunbelt Securities Inc.	1,862	$2.57M	0.2%	+3.6%	0.005%
5/18/2026	Amundi	136,835	$188.69M	0.1%	+21.5%	0.389%
5/18/2026	Value Aligned Research Advisors LLC	213,637	$294.60M	1.4%	+45.3%	0.607%
5/18/2026	EverSource Wealth Advisors LLC	1,731	$2.39M	0.1%	+12.1%	0.005%
5/18/2026	Empire Financial Management Company LLC	150	$0.21M	0.0%	N/A	0.000%
5/18/2026	California State Teachers Retirement System	54,276	$74.85M	0.1%	-2.0%	0.154%
5/18/2026	Royal Bank of Canada	146,195	$201.60M	0.0%	+24.6%	0.415%
5/18/2026	Regal Partners Ltd	1,657	$2.29M	0.1%	-24.7%	0.005%
5/18/2026	Empowered Funds LLC	35,511	$48.97M	0.3%	+5.4%	0.101%
5/18/2026	Engle Capital Management L.P.	8,400	$11.58M	3.9%	+12.0%	0.024%
5/18/2026	Estate Counselors LLC	1,393	$1.92M	0.2%	-71.7%	0.004%
5/18/2026	Evercore Wealth Management LLC	134,308	$185.21M	2.9%	-13.5%	0.382%
5/16/2026	The Manufacturers Life Insurance Company	24,082	$33.21M	0.0%	-8.2%	0.068%
5/16/2026	Quantinno Capital Management LP	12,879	$17.76M	0.0%	+19.5%	0.037%
5/16/2026	Lazard Asset Management LLC	66,710	$91.99M	0.2%	+12.5%	0.190%
5/16/2026	Family Manage LLC	298	$0.41M	0.0%	+15.5%	0.001%
5/15/2026	Gateway Wealth Partners LLC	1,508	$2.08M	0.1%	+107.7%	0.004%
5/15/2026	Quadcap Wealth Management LLC	341	$0.47M	0.1%	N/A	0.001%
5/15/2026	OMERS ADMINISTRATION Corp	2,552	$3.52M	0.0%	+22.8%	0.007%
5/15/2026	Lombard Odier Asset Management Switzerland SA	446	$0.62M	0.0%	N/A	0.001%
5/15/2026	Aristotle Atlantic Partners LLC	1,375	$1.90M	0.1%	+13.6%	0.004%
5/15/2026	Waverly Advisors LLC	2,685	$3.70M	0.0%	+9.1%	0.008%
5/15/2026	Granahan Investment Management LLC	26,027	$35.89M	1.7%	0.0%	0.074%
5/15/2026	Cumberland Partners Ltd	2,000	$2.76M	0.2%	N/A	0.006%
5/15/2026	Entropy Technologies LP	6,454	$8.90M	0.4%	+46.5%	0.018%
5/15/2026	Bridgewater Advisors Inc.	126	$0.17M	0.0%	N/A	0.000%
5/15/2026	Cannell & Spears LLC	205	$0.26M	0.0%	-21.2%	0.001%
5/14/2026	Healthcare of Ontario Pension Plan Trust Fund	14,214	$19.60M	0.0%	+921.9%	0.040%
5/14/2026	Dai ichi Life Insurance Company Ltd	9,011	$12.43M	0.4%	-5.4%	0.026%
5/14/2026	Renaissance Technologies LLC	56,660	$78.13M	0.1%	+5.0%	0.161%
5/14/2026	Hilltop Holdings Inc.	1,572	$2.17M	0.2%	-35.0%	0.004%
5/14/2026	Public Employees Retirement System of Ohio	13,505	$18.62M	0.1%	-5.9%	0.038%
5/14/2026	Compound Planning Inc.	980	$1.35M	0.0%	+17.5%	0.003%
5/14/2026	Modern Wealth Management LLC	348	$0.50M	0.0%	-21.3%	0.001%
5/14/2026	Keebeck Wealth Management	541	$0.75M	0.1%	-2.0%	0.002%
5/14/2026	Arrowstreet Capital Limited Partnership	252,979	$348.86M	0.2%	+12.8%	0.719%
5/14/2026	Caxton Associates LLP	151	$0.21M	0.0%	-82.5%	0.000%
5/14/2026	Liberty One Investment Management LLC	263	$0.36M	0.0%	+28.9%	0.001%
5/14/2026	Bank of Nova Scotia	4,064	$5.60M	0.0%	-12.5%	0.012%
5/14/2026	Systematic Financial Management LP	30,179	$41.62M	1.0%	-38.5%	0.086%
5/14/2026	Gibbs Wealth Management	563	$0.78M	0.1%	+56.4%	0.002%
5/14/2026	Sei Investments Co.	70,746	$97.56M	0.1%	+30.6%	0.201%
5/14/2026	Keynote Financial Services LLC	194	$0.27M	0.1%	-31.9%	0.001%
5/14/2026	Davis R M Inc.	276	$0.38M	0.0%	-1.8%	0.001%
5/14/2026	Lido Advisors LLC	906	$1.25M	0.0%	+17.1%	0.003%
5/14/2026	Globeflex Capital L P	4,938	$6.81M	1.0%	+3.6%	0.014%
5/14/2026	State of Wyoming	304	$0.42M	0.0%	-46.1%	0.001%
5/13/2026	Measured Wealth Private Client Group LLC	170	$0.23M	0.1%	-29.5%	0.000%
5/13/2026	Signature Equity Partners LLC	35	$48K	0.0%	+16.7%	0.000%
5/13/2026	NewEdge Wealth LLC	900	$1.24M	0.0%	+126.7%	0.003%
5/13/2026	Petra Financial Advisors Inc.	1,080	$1.49M	0.9%	+0.7%	0.003%
5/13/2026	CI Investments Inc.	7,467	$10.30M	0.0%	-34.5%	0.021%
5/13/2026	First Trust Advisors LP	415,886	$573.50M	0.4%	-13.7%	1.181%
5/12/2026	Westpac Banking Corp	459	$0.63M	0.0%	N/A	0.001%
5/12/2026	Saturna Capital Corp	1,950	$2.69M	0.0%	-13.6%	0.006%
5/12/2026	Bellwether Advisors LLC	3,655	$5.04M	0.9%	N/A	0.010%
5/12/2026	ABN Amro Investment Solutions	2,611	$3.60M	0.0%	+5.9%	0.007%
5/8/2026	PNC Financial Services Group Inc.	4,072	$5.62M	0.0%	+10.4%	0.012%
5/8/2026	Oslo Pensjonsforsikring AS	188	$0.26M	0.0%	N/A	0.001%
5/8/2026	Baader Bank Aktiengesellschaft	1,407	$1.91M	0.1%	N/A	0.004%
5/8/2026	Andra AP fonden	14,013	$19.32M	0.2%	+79.7%	0.040%
5/8/2026	Glenview Trust Co	231	$0.32M	0.0%	-30.0%	0.001%
5/8/2026	Summit Global Investments	298	$0.41M	0.0%	N/A	0.001%
5/8/2026	Johnson Financial Group Inc.	243	$0.34M	0.0%	-24.3%	0.001%
5/8/2026	Convergence Investment Partners LLC	1,614	$2.23M	0.4%	N/A	0.005%
5/8/2026	Commerzbank Aktiengesellschaft FI	1,105	$1.52M	0.0%	N/A	0.003%
5/7/2026	Earned Wealth Advisors LLC	887	$1.22M	0.1%	-11.9%	0.003%
5/7/2026	Hollencrest Capital Management	35	$48K	0.0%	N/A	0.000%
5/7/2026	Meeder Advisory Services Inc.	628	$0.87M	0.0%	+19.2%	0.002%
5/7/2026	WCM Investment Management LLC	116,698	$148.58M	0.3%	+24.5%	0.332%
5/7/2026	Dimensional Fund Advisors LP	279,947	$385.80M	0.1%	+5.4%	0.795%
5/7/2026	NWK Group Inc.	5,480	$7.56M	2.9%	+211.0%	0.016%
5/7/2026	Balefire LLC	233	$0.32M	0.1%	-40.9%	0.001%
5/7/2026	Parallel Advisors LLC	663	$0.91M	0.0%	+17.3%	0.002%
5/7/2026	KBC Group NV	84,392	$116.38M	0.3%	-8.0%	0.240%

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: $1,971.17

$1,935.00

$2,004.99

50 Day Range

MA: $1,823.06

$1,524.43

$2,042.15

52 Week Range

Now: $1,971.17

$489.98

$2,073.99

Volume

722,127 shs

Average Volume

422,127 shs

Market Capitalization

$69.39 billion

P/E Ratio

56.87

Dividend Yield

0.17%

Beta

1.65

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:
First Trust Advisors LP — 1.18%
Dimensional Fund Advisors LP — 0.80%
Arrowstreet Capital Limited Partnership — 0.72%
Bank of New York Mellon Corp — 0.62%
Value Aligned Research Advisors LLC — 0.61%
SG Americas Securities LLC — 0.44%
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:
AMF Tjanstepension AB
First Trust Advisors LP
E. Ohman J or Asset Management AB
Bank of America Corp DE
Evercore Wealth Management LLC
Systematic Financial Management LP
Moran Wealth Management LLC
Bank of New York Mellon Corp
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)
Herman E Bulls (Director)
Darcy Anderson (Director)
T Mckenna Trent (COO)
Julie Shaeff (CAO)
Constance Ellen Skidmore (Director)
William J Sandbrook (Director)
Laura Finley Howell (SVP)
Pablo G Mercado (Director)
Terrence Reed (SVP)
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:
Value Aligned Research Advisors LLC
Allspring Global Investments Holdings LLC
Royal Bank of Canada
Arrowstreet Capital Limited Partnership
Jennison Associates LLC
Amundi
Aware Super Pty Ltd as trustee of Aware Super
WCM Investment Management LLC