FIX Insider Trading

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Insider Ownership Percentage: 1.24%

Insider Buying (Last 12 Months): $0.00

Insider Selling (Last 12 Months): $158,079,176.28

Comfort Systems USA Insider Trading History Chart

Comfort Systems USA Share Price & Price History

^$1,670.59

▼ -68.486 (-3.94%)

As of 08/19/2026 10:33 AM 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
8/17/2026	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
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

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
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%	N/A	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%
8/18/2026	MASTERINVEST Kapitalanlage GmbH	133	$0.26M	0.0%	N/A	0.000%
8/17/2026	Capstone Investment Advisors LLC	1,300	$2.58M	0.0%	N/A	0.004%
8/17/2026	Proficio Capital Partners LLC	1,479	$2.93M	0.1%	N/A	0.004%
8/17/2026	Pure Financial Advisors LLC	167	$0.33M	0.0%	N/A	0.000%
8/17/2026	Transamerica Financial Advisors LLC	5,372	$10.65M	0.9%	N/A	0.015%
8/17/2026	Corient Private Wealth LP	5,146	$10.17M	0.0%	N/A	0.015%
8/17/2026	Perennial Investment Advisors LLC	148	$0.29M	0.0%	N/A	0.000%
8/17/2026	Ausdal Financial Partners Inc.	354	$0.70M	0.0%	N/A	0.001%
8/17/2026	Bank of America Corp DE	97,968	$194.17M	0.0%	N/A	0.278%
8/15/2026	Strategic Global Advisors LLC	3,400	$6.74M	1.0%	N/A	0.010%
8/15/2026	Caisse de depot et placement du Quebec	123,032	$243.84M	0.3%	N/A	0.350%
8/15/2026	Man Group plc	53,961	$106.95M	0.2%	N/A	0.153%
8/15/2026	Roberts Glore & Co. Inc. IL	103	$0.20M	0.1%	N/A	0.000%
8/15/2026	Jupiter Topco LLC	93,950	$186.12M	0.1%	N/A	0.267%
8/14/2026	Hsbc Holdings PLC	71,668	$141.86M	0.1%	N/A	0.204%
8/14/2026	Canada Pension Plan Investment Board	32,880	$65.17M	0.0%	N/A	0.093%
8/14/2026	SIR Capital Management L.P.	4,394	$8.71M	1.0%	N/A	0.012%
8/14/2026	Legal & General Group Plc	201,870	$400.10M	0.1%	N/A	0.574%
8/14/2026	The Manufacturers Life Insurance Company	23,817	$47.20M	0.0%	N/A	0.068%
8/14/2026	Jones Financial Companies Lllp	13	$26K	0.0%	N/A	0.000%
8/14/2026	Fiduciary Financial Advisors	35	$67K	0.0%	N/A	0.000%
8/14/2026	L2 Asset Management LLC	508	$1.01M	0.1%	N/A	0.001%
8/14/2026	Algert Global LLC	753	$1.49M	0.0%	-8.7%	0.002%
8/13/2026	Gallo Partners LP	1,949	$3.86M	8.6%	N/A	0.006%
8/13/2026	Cibc World Market Inc.	38,022	$75.36M	0.1%	N/A	0.108%
8/13/2026	OMERS ADMINISTRATION Corp	2,674	$5.30M	0.0%	N/A	0.008%
8/13/2026	Osmosis Investment Management UK Ltd	3,880	$7.69M	0.4%	N/A	0.011%
8/13/2026	Sanctuary Advisors LLC	4,855	$9.62M	0.0%	N/A	0.014%
8/13/2026	Wealth High Governance Capital Ltda	6,904	$13.68M	4.1%	N/A	0.020%
8/13/2026	Neumeier Poma Investment Counsel LLC	7,356	$14.58B	1.0%	N/A	0.021%
8/13/2026	Solstein Capital LLC	84	$0.17M	0.1%	N/A	0.000%
8/13/2026	Meiji Yasuda Asset Management Co Ltd.	497	$0.99M	0.0%	N/A	0.001%
8/13/2026	Globeflex Capital L P	4,291	$8.51M	1.1%	N/A	0.012%
8/13/2026	Benchmark Investment Advisors LLC	2,962	$5.87M	2.6%	N/A	0.008%
8/13/2026	Bank of Nova Scotia	6,925	$13.73M	0.0%	N/A	0.020%
8/12/2026	Compass Financial Management LLC	1,130	$2.24M	0.3%	N/A	0.003%
8/12/2026	Elevation Point Wealth Partners LLC	532	$1.06M	0.0%	N/A	0.002%
8/12/2026	Alta Advisers Ltd	127	$0.25M	0.1%	N/A	0.000%
8/12/2026	Daiichi Life Insurance Co. Ltd.	6,180	$12.25M	0.3%	N/A	0.018%
8/12/2026	Commerce Bank	2,818	$5.59M	0.0%	N/A	0.008%
8/12/2026	Northwestern Mutual Wealth Management Co.	770	$1.53M	0.0%	N/A	0.002%
8/12/2026	Quantbot Technologies LP	1,067	$2.12M	0.1%	N/A	0.003%
8/12/2026	Evolve Private Wealth LLC	2,103	$4.17M	0.3%	N/A	0.006%
8/12/2026	Varma Mutual Pension Insurance Co	7,800	$15.46M	0.1%	N/A	0.022%
8/12/2026	X Square Capital LLC	1,020	$2.02M	0.5%	N/A	0.003%
8/12/2026	George Kaiser Family Foundation	155	$0.31M	0.0%	N/A	0.000%
8/12/2026	Emerald Investment Advisers LLC	355	$0.70M	0.0%	N/A	0.001%
8/12/2026	Westpac Banking Corp	772	$1.53M	0.1%	N/A	0.002%
8/12/2026	TRB Wealth Management LLC	135	$0.27M	0.0%	N/A	0.000%
8/12/2026	Sumitomo Life Insurance Co.	2,060	$4.08M	0.1%	N/A	0.006%
8/12/2026	Landscape Capital Management L.L.C.	583	$1.16M	0.1%	N/A	0.002%
8/12/2026	Korea Investment CORP	46,407	$91.98M	0.2%	N/A	0.132%
8/12/2026	EP Wealth Advisors LLC	4,267	$8.46M	0.0%	N/A	0.012%
8/12/2026	Rakuten Securities Inc.	92	$0.18M	0.0%	N/A	0.000%
8/12/2026	Ieq Capital LLC	71,032	$140.78M	0.6%	N/A	0.202%
8/12/2026	Callan Family Office LLC	3,731	$7.40M	0.1%	N/A	0.011%
8/12/2026	Expressive Wealth LLC	258	$0.51M	0.5%	N/A	0.001%
8/12/2026	C M Bidwell & Associates Ltd.	261	$0.52M	0.2%	N/A	0.001%
8/12/2026	Keebeck Wealth Management	298	$0.59M	0.1%	N/A	0.001%
8/11/2026	Keating Financial Advisory Services Inc.	709	$1.41M	0.2%	N/A	0.002%
8/11/2026	Allworth Financial LP	2,444	$4.84M	0.0%	N/A	0.007%
8/11/2026	Greenspring Advisors LLC	274	$0.54M	0.0%	N/A	0.001%
8/11/2026	B. Metzler seel. Sohn & Co. AG	6,561	$13M	0.1%	N/A	0.019%
8/11/2026	Virtus Advisers LLC	738	$1.46M	0.6%	N/A	0.002%
8/11/2026	Silvant Capital Management LLC	6,454	$12.79M	0.4%	N/A	0.018%
8/11/2026	Kilter Group LLC	24	$48K	0.0%	N/A	0.000%
8/11/2026	Reliant Investment Partners LLC	266	$0.53M	0.4%	N/A	0.001%
8/11/2026	Advisors Capital Management LLC	110	$0.22M	0.0%	N/A	0.000%
8/11/2026	Vise Technologies Inc.	2,313	$4.58M	0.1%	N/A	0.007%
8/11/2026	Algebris UK Ltd.	728	$1.44M	0.1%	N/A	0.002%
8/11/2026	E Fund Management Co. Ltd.	132	$0.26M	0.0%	N/A	0.000%
8/11/2026	NWK Group Inc.	4,555	$9.03M	2.8%	N/A	0.013%
8/11/2026	Edmond DE Rothschild Holding S.A.	402	$0.80M	0.0%	N/A	0.001%
8/11/2026	Geneva Partners LLC	4,315	$8.55M	2.3%	N/A	0.012%
8/10/2026	Johnson Financial Group Inc.	193	$0.38M	0.0%	N/A	0.001%
8/10/2026	Kelman Lazarov Inc.	141	$0.28M	0.0%	N/A	0.000%
8/10/2026	West Family Investments Inc.	257	$0.51M	0.1%	N/A	0.001%
8/10/2026	NewEdge Wealth LLC	1,161	$2.30M	0.0%	N/A	0.003%
8/10/2026	Empirical Asset Management LLC	135	$0.27M	0.1%	N/A	0.000%
8/10/2026	Great Lakes Advisors LLC	297	$0.59M	0.0%	N/A	0.001%
8/10/2026	Comprehensive Financial Planning Inc. PA	175	$0.35M	0.2%	N/A	0.000%
8/10/2026	Danske Bank A S	770	$1.53M	0.0%	N/A	0.002%
8/10/2026	Danske Bank A S	30,894	$61.23M	0.1%	N/A	0.088%
8/10/2026	Diversify Advisory Services LLC	4,488	$7.77M	0.1%	N/A	0.013%
8/8/2026	Wealthfront Advisers LLC	3,137	$6.22M	0.0%	N/A	0.009%

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: $1,670.59

$1,631.50

$1,750.87

50 Day Range

MA: $1,791.87

$1,516.21

$2,068.93

52 Week Range

Now: $1,670.59

$655.96

$2,073.99

Volume

79,585 shs

Average Volume

450,856 shs

Market Capitalization

$58.79 billion

P/E Ratio

40.93

Dividend Yield

0.20%

Beta

1.69

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%
Value Aligned Research Advisors LLC — 0.69%
Deutsche Bank AG — 0.64%
Legal & General Group Plc — 0.57%
Bank of New York Mellon Corp — 0.53%
Caisse de depot et placement du Quebec — 0.35%
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:
PensionDanmark Pensionsforsikringsaktieselskab
E. Ohman J or Asset Management AB
Anderson Hoagland & Co.
Private Client Services LLC
Insight Wealth Strategies LLC
Avior Wealth Management LLC
Redhawk Wealth Advisors Inc.
Walker Asset Management LLC
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.
Value Aligned Research Advisors LLC
Deutsche Bank AG
Legal & General Group Plc
Bank of New York Mellon Corp
Caisse de depot et placement du Quebec
Bank of America Corp DE
Jupiter Topco LLC