Brian E. Lane - 01 Nov 2021 Form 4 Insider Report for COMFORT SYSTEMS USA INC (FIX)

Role: President/Chief Executive Off., Director
Signature: /s/ Rachel Reagor Eslicker, by power of attorney
Issuer symbol: FIX
Transactions as of: 01 Nov 2021
Net transactions value: -$1,648,693
Form type: 4
Filing time: 02 Nov 2021, 11:37:03 UTC
Previous filing: 01 Nov 2021
Next filing: 23 Nov 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FIX	Common Stock	Options Exercise	$1,397,102	+32,873	+12%	$42.50^*	297,068	01 Nov 2021	Direct
transaction	FIX	Common Stock	Sale	$3,045,795	-32,873	-11%	$92.65	264,195	01 Nov 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	FIX	Option to Buy	Options Exercise	$0	-32,873	-100%	$0.000000^*	0	01 Nov 2021	Common Stock	32,873	$42.50	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the average price of shares sold; full information regarding the number of shares sold and specific prices will be made available upon request to the Company's Office of the General Counsel.
F2	Stock options were granted on 03/07/2018, vested equally over a three-year period, and were fully vested on 04/01/2021.