Comfort Systems USA, Inc. (FIX) Insider Trading

Last 12 months

Insiders sold $185M and bought nothing on the open market.

None of the selling was scheduled in advance under a 10b5-1 plan. CHIEF EXECUTIVE OFF. Brian E. Lane sold $25.8M on Aug 26, 9.9% of their stake, outside a plan. The last open-market buy by an executive or director was in Dec 2023.

Net open-market

−$185M

0 buys · 27 sales

Under a 10b5-1 plan

of the value sold

Insiders who bought / sold

0 / 12

executives and directors

Last open-market buy

Dec 2023

Dec 6, 2023

Get an email when FIX's executives or directors buy, or make a large sale outside a plan.

Trades · last 2 years

Date	Insider	Trade	Shares	Price	Value	Of their stake	Filing
Aug 26	Brian E. Lane CHIEF EXECUTIVE OFF.	SoldNo plan	16,024	$1,608.21	$25.8M	9.9%	Form 4
Aug 17	William George III CHIEF FINANCIAL OFFICER	SoldNo plan	2,554	$1,859.65	$4.75M	7.8%	Form 4
Aug 10 – 11	Franklin Myers Director	SoldNo plan 2 parts	7,500	$1,692.31 average	$12.7M	10%	Form 4
Jun 24	Franklin Myers Director	SoldNo plan	6,700	$1,954.47	$13.1M	8.2%	Form 4
May 27	Rhoman J Hardy Director	SoldNo plan	342	$1,900.08	$650k	15%	Form 4
May 8 – 11	William George III CHIEF FINANCIAL OFFICER	SoldNo plan 2 parts	5,000	$1,962.73 average	$9.81M	13%	Form 4
May 11	Julie Shaeff CHIEF ACCOUNTING OFFICER	SoldNo plan	1,123	$2,000.37	$2.25M	8.2%	Form 4
May 7	Franklin Myers Director	SoldNo plan	4,500	$1,902.57	$8.56M	5.2%	Form 4
May 5	Brian E. Lane CHIEF EXECUTIVE OFF.	SoldNo plan	11,113	$1,969.84	$21.9M	6.5%	Form 4
Apr 30	Pablo G. Mercado Director	SoldNo plan	500	$1,779.78	$890k	14%	Form 4
Apr 29	William J Sandbrook Director	SoldNo plan	1,500	$1,732.67	$2.6M	16%	Form 4
Feb 24 – Mar 3	Terrence Reed SVP & CHRO	SoldNo plan 2 parts	1,787	$1,419.80 average	$2.54M	39%	Form 4
Mar 3	Darcy Anderson Director	SoldNo plan	4,500	$1,369.74	$6.16M	20%	Form 4
Mar 3	Julie Shaeff CHIEF ACCOUNTING OFFICER	SoldNo plan	2,287	$1,382.15	$3.16M	14%	Form 4
Feb 25	Franklin Myers Director	SoldNo plan	8,636	$1,472.56	$12.7M	9.1%	Form 4
Feb 25	Brian E. Lane PRESIDENT/CHIEF EXECUTIVE OFF.	SoldNo plan	9,365	$1,453.12	$13.6M	5.2%	Form 4
Feb 24	William J Sandbrook Director	SoldNo plan	2,500	$1,443.32	$3.61M	21%	Form 4
Feb 24	Constance Ellen Skidmore Director	SoldNo plan	1,000	$1,425.00	$1.43M	7.3%	Form 4
Feb 23	Pablo G. Mercado Director	SoldNo plan	500	$1,405.00	$703k	13%	Form 4
Feb 23	William George III CHIEF FINANCIAL OFFICER	SoldNo plan	9,000	$1,434.97	$12.9M	19%	Form 4
Dec 4, 2025	Laura Finley Howell SVP & GENERAL COUNSEL	SoldNo plan	1,000	$996.16	$996k	11%	Form 4
Dec 1, 2025	William George III CHIEF FINANCIAL OFFICER	SoldNo plan	4,370	$958.88	$4.19M	10%	Form 4
Nov 24, 2025	Brian E. Lane PRESIDENT/CHIEF EXECUTIVE OFF.	SoldNo plan	7,158	$947.98	$6.79M	3.8%	Form 4
Oct 31, 2025	Darcy Anderson Director	SoldNo plan	4,000	$958.72	$3.83M	15%	Form 4
Oct 29, 2025	Franklin Myers Director	SoldNo plan	5,000	$1,006.68	$5.03M	5.0%	Form 4
Oct 29, 2025	Herman E Bulls Director	SoldNo plan	2,000	$1,013.62	$2.03M	6.1%	Form 4
Oct 29, 2025	Pablo G. Mercado Director	SoldNo plan	2,500	$1,005.41	$2.51M	38%	Form 4
Sep 9, 2025 – Sep 10, 2025	William J Sandbrook Director	SoldNo plan 3 parts	1,500	$721.89 average	$1.08M	11%	Form 4
Aug 27, 2025	Herman E Bulls Director	SoldNo plan	3,000	$710.00	$2.13M	8.4%	Form 4
Aug 25, 2025	William J Sandbrook Director	SoldNo plan	700	$689.58	$483k	5.0%	Form 4
Aug 22, 2025	Pablo G. Mercado Director	SoldNo plan	1,078	$695.88	$750k	14%	Form 4
Aug 12, 2025	Julie Shaeff CHIEF ACCOUNTING OFFICER	SoldNo plan	1,369	$704.50	$964k	7.9%	Form 4
Aug 8, 2025	William George III CHIEF FINANCIAL OFFICER	SoldNo plan	8,436	$692.60	$5.84M	15%	Form 4
Aug 7, 2025	Brian E. Lane PRESIDENT/CHIEF EXECUTIVE OFF.	SoldNo plan	10,000	$691.74	$6.92M	5.0%	Form 4
Aug 6, 2025	Franklin Myers Director	SoldNo plan	4,500	$683.57	$3.08M	4.3%	Form 4
Jul 31, 2025	T McKenna Trent EVP & CHIEF OPERATING OFFICER	SoldNo plan	4,400	$716.63	$3.15M	17%	Form 4
Jun 9, 2025	Herman E Bulls Director	SoldNo plan	2,500	$500.01	$1.25M	6.6%	Form 4
Jun 6, 2025	Darcy Anderson Director	SoldNo plan	8,000	$506.82	$4.05M	23%	Form 4
May 13, 2025	William George III CHIEF FINANCIAL OFFICER	SoldNo plan	12,500	$470.11	$5.88M	21%	Form 4
May 12, 2025	Constance Ellen Skidmore Director	SoldNo plan	1,000	$452.98	$453k	7.0%	Form 4

Aug 26No plan
Brian E. Lane
CHIEF EXECUTIVE OFF. · sold 16,024 at $1,608.21
$25.8M
9.9% of stake
Aug 17No plan
William George III
CHIEF FINANCIAL OFFICER · sold 2,554 at $1,859.65
$4.75M
7.8% of stake
Aug 10 – 11No plan
Franklin Myers
Director · sold 7,500 at avg $1,692.31
$12.7M
10% of stake
Jun 24No plan
Franklin Myers
Director · sold 6,700 at $1,954.47
$13.1M
8.2% of stake
May 27No plan
Rhoman J Hardy
Director · sold 342 at $1,900.08
$650k
15% of stake
May 8 – 11No plan
William George III
CHIEF FINANCIAL OFFICER · sold 5,000 at avg $1,962.73
$9.81M
13% of stake
May 11No plan
Julie Shaeff
CHIEF ACCOUNTING OFFICER · sold 1,123 at $2,000.37
$2.25M
8.2% of stake
May 7No plan
Franklin Myers
Director · sold 4,500 at $1,902.57
$8.56M
5.2% of stake
May 5No plan
Brian E. Lane
CHIEF EXECUTIVE OFF. · sold 11,113 at $1,969.84
$21.9M
6.5% of stake
Apr 30No plan
Pablo G. Mercado
Director · sold 500 at $1,779.78
$890k
14% of stake
Apr 29No plan
William J Sandbrook
Director · sold 1,500 at $1,732.67
$2.6M
16% of stake
Feb 24 – Mar 3No plan
Terrence Reed
SVP & CHRO · sold 1,787 at avg $1,419.80
$2.54M
39% of stake
Mar 3No plan
Darcy Anderson
Director · sold 4,500 at $1,369.74
$6.16M
20% of stake
Mar 3No plan
Julie Shaeff
CHIEF ACCOUNTING OFFICER · sold 2,287 at $1,382.15
$3.16M
14% of stake
Feb 25No plan
Franklin Myers
Director · sold 8,636 at $1,472.56
$12.7M
9.1% of stake
Feb 25No plan
Brian E. Lane
PRESIDENT/CHIEF EXECUTIVE OFF. · sold 9,365 at $1,453.12
$13.6M
5.2% of stake
Feb 24No plan
William J Sandbrook
Director · sold 2,500 at $1,443.32
$3.61M
21% of stake
Feb 24No plan
Constance Ellen Skidmore
Director · sold 1,000 at $1,425.00
$1.43M
7.3% of stake
Feb 23No plan
Pablo G. Mercado
Director · sold 500 at $1,405.00
$703k
13% of stake
Feb 23No plan
William George III
CHIEF FINANCIAL OFFICER · sold 9,000 at $1,434.97
$12.9M
19% of stake
Dec 4, 2025No plan
Laura Finley Howell
SVP & GENERAL COUNSEL · sold 1,000 at $996.16
$996k
11% of stake
Dec 1, 2025No plan
William George III
CHIEF FINANCIAL OFFICER · sold 4,370 at $958.88
$4.19M
10% of stake
Nov 24, 2025No plan
Brian E. Lane
PRESIDENT/CHIEF EXECUTIVE OFF. · sold 7,158 at $947.98
$6.79M
3.8% of stake
Oct 31, 2025No plan
Darcy Anderson
Director · sold 4,000 at $958.72
$3.83M
15% of stake
Oct 29, 2025No plan
Franklin Myers
Director · sold 5,000 at $1,006.68
$5.03M
5.0% of stake
Oct 29, 2025No plan
Herman E Bulls
Director · sold 2,000 at $1,013.62
$2.03M
6.1% of stake
Oct 29, 2025No plan
Pablo G. Mercado
Director · sold 2,500 at $1,005.41
$2.51M
38% of stake
Sep 9, 2025 – Sep 10, 2025No plan
William J Sandbrook
Director · sold 1,500 at avg $721.89
$1.08M
11% of stake
Aug 27, 2025No plan
Herman E Bulls
Director · sold 3,000 at $710.00
$2.13M
8.4% of stake
Aug 25, 2025No plan
William J Sandbrook
Director · sold 700 at $689.58
$483k
5.0% of stake
Aug 22, 2025No plan
Pablo G. Mercado
Director · sold 1,078 at $695.88
$750k
14% of stake
Aug 12, 2025No plan
Julie Shaeff
CHIEF ACCOUNTING OFFICER · sold 1,369 at $704.50
$964k
7.9% of stake
Aug 8, 2025No plan
William George III
CHIEF FINANCIAL OFFICER · sold 8,436 at $692.60
$5.84M
15% of stake
Aug 7, 2025No plan
Brian E. Lane
PRESIDENT/CHIEF EXECUTIVE OFF. · sold 10,000 at $691.74
$6.92M
5.0% of stake
Aug 6, 2025No plan
Franklin Myers
Director · sold 4,500 at $683.57
$3.08M
4.3% of stake
Jul 31, 2025No plan
T McKenna Trent
EVP & CHIEF OPERATING OFFICER · sold 4,400 at $716.63
$3.15M
17% of stake
Jun 9, 2025No plan
Herman E Bulls
Director · sold 2,500 at $500.01
$1.25M
6.6% of stake
Jun 6, 2025No plan
Darcy Anderson
Director · sold 8,000 at $506.82
$4.05M
23% of stake
May 13, 2025No plan
William George III
CHIEF FINANCIAL OFFICER · sold 12,500 at $470.11
$5.88M
21% of stake
May 12, 2025No plan
Constance Ellen Skidmore
Director · sold 1,000 at $452.98
$453k
7.0% of stake

How to read this. Insiders sell for many reasons: taxes, diversifying, a house. Open-market buys are rarer and say more. A 10b5-1 plan is a trading schedule set up months in advance, so those sales were not timed on news. Large holders (funds and 10% owners) are listed under Everything but not counted as insiders. If you own or watch FIX, we send a push when an executive buys or makes a large sale outside a plan.

Source: SEC Form 4 filings, filed within two business days of each trade and checked for new ones every hour.

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Data sourced from SEC EDGAR filings and third-party price providers. Scores, valuations, and metrics are algorithmic estimates. This is not investment advice. See our Terms and Methodology.

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