FIX Insider Trading

Insider Trading Chart
Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 1.24%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $182,016,141.68

Comfort Systems USA Insider Trading History Chart

Comfort Systems USA Share Price & Price History

^$1,574.92

▼ -12.428 (-0.78%)

As of 09/17/2026 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
10/31/2023	Vance W. Tang	Director	Sell	2,288	$182.50	$417,560.00	22,770

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
9/15/2026	Anchor Investment Management LLC	79	$0.16M	0.0%	+14.5%	0.000%
9/9/2026	Sequoia Financial Advisors LLC	3,302	$6.55M	0.0%	+13.9%	0.009%
9/9/2026	IPG Investment Advisors LLC	925	$1.83M	0.3%	N/A	0.003%
9/9/2026	Archford Capital Strategies LLC	463	$0.92M	0.1%	N/A	0.001%
9/9/2026	Gemmer Asset Management LLC	122	$0.24M	0.0%	N/A	0.000%
9/9/2026	National Pension Service	67,589	$133.96M	0.1%	-5.8%	0.192%
9/9/2026	Engineers Gate Manager LP	2,219	$4.40M	0.1%	-68.5%	0.006%
9/9/2026	Pinnacle Wealth Management Advisory Group LLC	629	$1.25M	0.1%	+10.0%	0.002%
9/9/2026	Integrated Wealth Concepts LLC	4,868	$9.65M	0.1%	-7.5%	0.014%
9/9/2026	RFG Advisory LLC	2,576	$5.11M	0.1%	-8.6%	0.007%
9/9/2026	NewEdge Advisors LLC	6,476	$12.84M	0.0%	+30.5%	0.018%
9/9/2026	Hedeker Wealth LLC	7,017	$13.91M	2.7%	-1.6%	0.020%
9/9/2026	IFP Advisors Inc	774	$1.53M	0.0%	+18.7%	0.002%
9/9/2026	Baird Financial Group Inc.	7,697	$15.26M	0.0%	-23.8%	0.022%
9/9/2026	Arcus Capital Partners LLC	174	$0.35M	0.1%	-5.9%	0.000%
9/9/2026	BayBridge Capital Group LLC	247	$0.49M	0.3%	-71.5%	0.001%
9/8/2026	Allworth Financial LP	2,444	$4.84M	0.0%	-17.2%	0.007%
9/8/2026	Arizona State Retirement System	10,088	$19.99M	0.1%	+5.2%	0.029%
9/8/2026	West Family Investments Inc.	257	$0.51M	0.1%	+33.2%	0.001%
9/8/2026	Waverly Advisors LLC	2,969	$5.88M	0.0%	+10.6%	0.008%
9/8/2026	Nykredit A S	14,709	$29.15M	0.1%	N/A	0.042%
9/4/2026	Parkside Financial Bank & Trust	168	$0.33M	0.0%	-14.3%	0.000%
9/2/2026	Brown Lisle Cummings Inc.	24	$48K	0.0%	-29.4%	0.000%
8/27/2026	Corient Private Wealth LP	9,134	$18.10M	0.0%	+62.8%	0.026%
8/27/2026	Tucker Asset Management LLC	247	$0.49M	0.1%	N/A	0.001%
8/26/2026	Amundi	292,904	$580.52M	0.1%	+114.1%	0.832%
8/26/2026	HighTower Advisors LLC	6,284	$12.46M	0.0%	-16.8%	0.018%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	33,856	$67.10M	0.4%	N/A	0.096%
8/23/2026	Tanager Wealth Management LLP	148	$0.29M	0.0%	N/A	0.000%
8/23/2026	Ameritas Advisory Services LLC	1,893	$3.75M	0.1%	N/A	0.005%
8/23/2026	Wedmont Private Capital	657	$1.30M	0.0%	+7.5%	0.002%
8/23/2026	HB Wealth Management LLC	3,379	$6.70M	0.0%	+6.5%	0.010%
8/23/2026	Nilsine Partners LLC	115	$0.23M	0.0%	N/A	0.000%
8/23/2026	Saudi Central Bank	2,463	$4.88M	0.1%	+89.2%	0.007%
8/23/2026	Angeles Wealth Management LLC	287	$0.57M	0.0%	+7.5%	0.001%
8/22/2026	Compass Financial Management LLC	1,130	$2.24M	0.3%	N/A	0.003%
8/22/2026	AlphaGrep UK Ltd	533	$1.06M	0.3%	N/A	0.002%
8/22/2026	Turner Financial Group Inc.	171	$0.34M	0.3%	N/A	0.000%
8/22/2026	Three Seasons Wealth LLC	285	$0.57M	0.1%	N/A	0.001%
8/22/2026	SMART Wealth LLC	101	$0.20M	0.0%	N/A	0.000%
8/22/2026	Comprehensive Financial Planning Inc. PA	175	$0.35M	0.2%	N/A	0.000%
8/22/2026	Raiffeisen Bank International AG	1,448	$2.82M	0.0%	-17.4%	0.004%
8/22/2026	Syon Capital LLC	611	$1.21M	0.1%	-12.6%	0.002%
8/22/2026	denkapparat Operations GmbH	1,112	$2.20M	0.7%	-10.8%	0.003%
8/22/2026	TD Waterhouse Canada Inc.	2,787	$5.20M	0.0%	-2.6%	0.008%
8/22/2026	Barlow Wealth Partners LLC	350	$0.69M	0.1%	-3.8%	0.001%
8/22/2026	Concurrent Investment Advisors LLC	3,741	$7.41M	0.1%	+304.0%	0.011%
8/22/2026	Prosperitas Financial LLC	5,761	$11.42M	3.7%	-4.5%	0.016%
8/22/2026	NEOS Investment Management LLC	5,555	$11.01M	0.0%	+16.2%	0.016%
8/21/2026	AXQ Capital LP	1,096	$2.17M	0.2%	-60.0%	0.003%
8/21/2026	Retireful LLC	1,123	$2.23M	2.1%	+8.7%	0.003%
8/21/2026	Nykredit A S	16,843	$33.38M	0.1%	N/A	0.048%
8/21/2026	Thrive Wealth Management LLC	118	$0.23M	0.0%	N/A	0.000%
8/21/2026	B. Metzler seel. Sohn & Co. AG	6,561	$13M	0.1%	+65.1%	0.019%
8/21/2026	SkyOak Wealth LLC	121	$0.24M	0.0%	N/A	0.000%
8/21/2026	XML Financial LLC	291	$0.58M	0.0%	-2.7%	0.001%
8/21/2026	Symphony Financial Ltd. Co.	595	$1.18M	0.1%	-7.0%	0.002%
8/21/2026	Secure Asset Management LLC	2,665	$5.28M	0.8%	+4.5%	0.008%
8/21/2026	Aubrey Capital Management Ltd	2,800	$5.55M	3.4%	-30.0%	0.008%
8/21/2026	Legacy Financial Advisors Inc.	516	$1.02M	0.1%	+9.8%	0.001%
8/20/2026	Proficio Capital Partners LLC	1,479	$2.93M	0.1%	+309.7%	0.004%
8/20/2026	JNBA Financial Advisors	21	$42K	0.0%	N/A	0.000%
8/20/2026	BTG Pactual Asset Management US LLC	142	$0.28M	0.0%	N/A	0.000%
8/20/2026	Moore Capital Management LP	9,050	$17.94M	0.3%	+52.4%	0.026%
8/20/2026	Sigma Planning Corp	1,067	$2.12M	0.1%	-21.6%	0.003%
8/20/2026	Two Sigma Securities LLC	793	$1.57M	0.1%	N/A	0.002%
8/20/2026	Benjamin Edwards Inc.	1,259	$2.50M	0.0%	-20.0%	0.004%
8/20/2026	Alyeska Investment Group L.P.	293	$0.58M	0.0%	-97.5%	0.001%
8/20/2026	Flputnam Investment Management Co.	111	$0.22M	0.0%	N/A	0.000%
8/20/2026	Northwestern Mutual Wealth Management Co.	770	$1.53M	0.0%	-1.2%	0.002%
8/20/2026	Wedbush Securities Inc.	204	$0.40M	0.0%	-25.0%	0.001%
8/20/2026	Meiji Yasuda Life Insurance Co	555	$1.10M	0.0%	+3.4%	0.002%
8/20/2026	Greenleaf Trust	597	$1.18M	0.0%	+1.4%	0.002%
8/19/2026	Capital Advisors Inc. OK	321	$0.64M	0.0%	+1.9%	0.001%
8/19/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	201,945	$400.25M	0.1%	+38.3%	0.574%
8/19/2026	New Mexico Educational Retirement Board	1,700	$3.37M	0.1%	+6.3%	0.005%
8/19/2026	Royal London Asset Management Ltd.	141,047	$279.55M	0.5%	+2.0%	0.401%
8/19/2026	Manchester Financial Inc.	1,926	$3.82M	0.7%	-8.4%	0.005%
8/19/2026	Mufg Securities Americas Inc.	1,059	$2.10M	0.1%	+8.7%	0.003%
8/19/2026	Van ECK Associates Corp	10,688	$21.18M	0.0%	+22.1%	0.030%
8/19/2026	Nissay Asset Management Corp Japan	4,842	$9.60M	0.0%	+2.8%	0.014%
8/19/2026	Navellier & Associates Inc.	20,358	$40.35M	3.2%	+2.8%	0.058%
8/19/2026	Field & Main Bank	16	$32K	0.0%	N/A	0.000%
8/19/2026	Prosperitas Financial LLC	5,761	$11.42M	3.7%	N/A	0.016%
8/19/2026	Wellington Management Group LLP	104,995	$208.10M	0.0%	+447.6%	0.298%
8/19/2026	Archer Investment Corp	521	$1.03M	0.2%	N/A	0.001%
8/19/2026	Kingsview Wealth Management LLC	1,028	$2.04M	0.0%	N/A	0.003%
8/18/2026	Beacon Pointe Advisors LLC	660	$1.31M	0.0%	N/A	0.002%
8/18/2026	Livforsakringsbolaget Skandia Omsesidigt	880	$1.74M	0.1%	N/A	0.003%
8/18/2026	Glenview Trust Co	231	$0.32M	0.0%	N/A	0.001%
8/18/2026	Empowered Funds LLC	28,872	$57.22M	0.3%	N/A	0.082%
8/18/2026	United Capital Financial Advisors LLC	1,327	$2.63M	0.0%	N/A	0.004%
8/18/2026	Value Aligned Research Advisors LLC	243,607	$482.82M	1.2%	+14.0%	0.692%
8/18/2026	Camarda Financial Advisors LLC	139	$0.28M	0.1%	N/A	0.000%
8/18/2026	Caitlin John LLC	648	$1.28M	0.7%	N/A	0.002%
8/18/2026	Equitable Holdings Inc.	765	$1.52M	0.0%	N/A	0.002%
8/18/2026	Centaurus Financial Inc.	286	$0.57M	0.0%	N/A	0.001%
8/18/2026	Coastal Bridge Advisors LLC	103	$0.20M	0.0%	N/A	0.000%
8/18/2026	Jefferies Financial Group Inc.	2,205	$4.37M	0.0%	N/A	0.006%
8/18/2026	Public Employees Retirement System of Ohio	12,175	$24.13M	0.1%	N/A	0.035%

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: $1,574.92

$1,570.00

$1,649.98

50 Day Range

MA: $1,673.58

$1,516.21

$1,879.96

52 Week Range

Now: $1,574.92

$757.00

$2,073.99

Volume

275,987 shs

Average Volume

440,449 shs

Market Capitalization

$55.42 billion

P/E Ratio

38.73

Dividend Yield

0.23%

Beta

1.67

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:
BlackRock Inc. — 9.65%
Amundi — 0.83%
Value Aligned Research Advisors LLC — 0.69%
Deutsche Bank AG — 0.64%
UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC — 0.57%
Legal & General Group Plc — 0.57%
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:
Alyeska Investment Group L.P.
Engineers Gate Manager LP
National Pension Service
PensionDanmark Pensionsforsikringsaktieselskab
Baird Financial Group Inc.
E. Ohman J or Asset Management AB
California State Teachers Retirement System
Anderson Hoagland & Co.
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)
Constance Ellen Skidmore (Director)
Julie Shaeff (CAO)
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:
BlackRock Inc.
Deutsche Bank AG
Legal & General Group Plc
Bank of New York Mellon Corp
Amundi
Caisse de depot et placement du Quebec
Bank of America Corp DE
Jupiter Topco LLC