Comfort Systems USA, Inc. FIX NYSE

NYSE • Industrials • Engineering & Construction • US • USD

SharesGrow Score

65/100

3/7 Pass

SharesGrow Intrinsic Value

Comfort Systems USA, Inc. (FIX) has 20 known insider and institutional holders on record. The largest holder is Lane Brian E. with 172,202 shares. Other notable holders include SCHULTZ JAMES H and MYERS FRANKLIN.

Over the last 12 months, insiders have made 62 transactions in FIX stock — 15 buys (valued at RSU Award) and 31 sells (valued at $97.77M). Insider selling has exceeded buying during this period.

FIX Insider Ownership

Top Holder

Lane Brian E.

172,202 shares

Buys (12 mo)

$0.00 value

Sells (12 mo)

$97.77M value

12-Month Transaction Activity

Buy 24%

Sell 50%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Lane Brian E.	Chief Executive Off.	172,202	2026-04-03	100%
2	Schultz James H	Director	88,914	2020-05-21	52%
3	Myers Franklin	Director	73,995	2026-02-27	43%
4	George William Iii	Chief Financial Officer	37,804	2026-04-03	22%
5	Bulls Herman E	Director	29,774	2025-11-19	17%
6	Giardenelli Alfred J Jr	Director	23,516	2016-09-12	14%
7	Trent T Mckenna	President/chief Operating Off.	22,346	2026-04-03	13%
8	Anderson Darcy	Director	18,035	2026-03-05	10%
9	Krusi Alan	Director	16,828	2022-06-17	10%
10	Shaeff Julie	Chief Accounting Officer	13,747	2026-04-03	8%
11	Skidmore Constance Ellen	Director	12,627	2026-02-24	7%
12	Mylett James Matthew	Srvp - Service	12,329	2016-04-05	7%
13	Sandbrook William J	Director	9,166	2026-02-26	5%
14	Howell Laura Finley	SVP & General Counsel	7,938	2025-12-05	5%
15	Wallis-lage Cindy L.	Director	5,713	2025-05-20	3%
16	Young Terrence Andrew	Senior Vice President Service	5,274	2021-04-05	3%
17	Tang Vance W	Director	4,998	2025-05-02	3%
18	Mercado, Pablo G.	Director	3,500	2026-02-24	2%
19	Reed Terrence	SVP & Chro	2,968	2026-04-03	2%
20	Hardy Rhoman J	Director	2,127	2025-05-20	1%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-04-01	Eslicker Rachel R.	SVP & General Counsel	Tax Withholding of RSU	43	$1,429.59	$61.47K
2026-04-01	Reed Terrence	SVP & Chro	Tax Withholding of RSU	93	$1,429.59	$132.95K
2026-04-01	Lane Brian E.	Chief Executive Off.	Tax Withholding of RSU	1,512	$1,429.59	$2.16M
2026-04-01	Trent T Mckenna	President/chief Operating Off.	Tax Withholding of RSU	341	$1,429.59	$487.49K
2026-04-01	Shaeff Julie	Chief Accounting Officer	Tax Withholding of RSU	145	$1,429.59	$207.29K
2026-04-01	George William Iii	Chief Financial Officer	Tax Withholding of RSU	500	$1,429.59	$714.8K
2026-03-23	Eslicker Rachel R.	SVP & General Counsel	RSU Award	217	-	-
2026-03-23	Reed Terrence	SVP & Chro	RSU Award	275	-	-
2026-03-23	Lane Brian E.	Chief Executive Off.	RSU Award	2,876	-	-
2026-03-23	Trent T Mckenna	President/chief Operating Off.	RSU Award	1,208	-	-
2026-03-23	Shaeff Julie	Chief Accounting Officer	RSU Award	194	-	-
2026-03-23	George William Iii	Chief Financial Officer	RSU Award	597	-	-
2026-03-03	Reed Terrence	SVP & Chro	Informative Sell	1,116	$1,397.33	$1.56M
2026-02-24	Reed Terrence	SVP & Chro	Informative Sell	671	$1,457.17	$977.76K
2026-03-03	Anderson Darcy	Director	Informative Sell	4,500	$1,369.74	$6.16M
2026-03-03	Shaeff Julie	Chief Accounting Officer	Informative Sell	2,287	$1,382.15	$3.16M
2026-02-25	Myers Franklin	Director	Informative Sell	8,636	$1,472.56	$12.72M
2026-02-24	Sandbrook William J	Director	Informative Sell	2,500	$1,443.32	$3.61M
2026-02-25	Lane Brian E.	President/chief Executive Off.	Informative Sell	9,365	$1,453.12	$13.61M
2026-02-24	Skidmore Constance Ellen	Director	Informative Sell	1,000	$1,425.00	$1.43M
2026-02-23	Mercado, Pablo G.	Director	Informative Sell	500	$1,405.00	$702.5K
2026-02-23	George William Iii	Chief Financial Officer	Option Exercise (Sell)	9,000	$42.50	$382.5K
2025-12-31	Eslicker Rachel R.	SVP & General Counsel	Unknown	-	-	-
2025-12-04	Howell Laura Finley	SVP & General Counsel	Informative Sell	1,000	$996.16	$996.16K
2025-12-03	Myers Franklin	Director	Gift (Given)	270	-	-