Comfort Systems USA (FIX) SVP reports new stock awards and tax withholding

Rhea-AI Filing Summary

Comfort Systems USA senior vice president and chief human resources officer Terrence Reed reported equity compensation activity involving the company’s common stock. On March 23, 2026, he acquired 275 shares through a new restricted stock unit grant that will vest in equal installments over a three-year schedule, and 188 additional shares from dollar‑denominated performance restricted stock units that vested based on the company’s 2023‑2025 relative total shareholder return and 2023‑2025 average EPS performance measures.

On the same date, 56 shares were withheld at a price of $1408.25 per share to satisfy tax obligations related to the vesting, a non‑market disposition. After these compensation-related transactions, Reed directly holds 3,241 shares of Comfort Systems USA common stock.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Reed Terrence

Role SVP & CHRO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	275	$0.00	--
Grant/Award	Common Stock	188	$0.00	--
Tax Withholding	Common Stock	56	$1,408.25	$79K

Holdings After Transaction: Common Stock — 3,109 shares (Direct)

Footnotes (1)

1. Each restricted stock unit granted on March 23, 2026 represents a right to receive one share of common stock and will vest in equal installments over a three-year vesting schedule. Reflects dollar-denominated performance restricted stock units granted on March 21, 2023 that vested on March 23, 2026. These units vested as a result of the Company's 2023-2025 relative Total Shareholder Return and 2023-2025 Company average EPS, which are the applicable performance measures. Forfeited shares are related to dollar-denominated performance restricted stock units that vested on March 23, 2026 and were priced based on the closing price of the Company common stock on March 23, 2026.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Reed Terrence

(Last) (First) (Middle)

C/O COMFORT SYSTEMS USA, INC.

9753 KATY FREEWAY, SUITE 700

(Street)

HOUSTON TEXAS 77024

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
COMFORT SYSTEMS USA INC [ FIX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & CHRO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/23/2026		A		275(1)	A	$0	3,109	D
Common Stock	03/23/2026		A		188(2)	A	$0	3,297	D
Common Stock	03/23/2026		F		56(3)	D	$1,408.25	3,241	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Each restricted stock unit granted on March 23, 2026 represents a right to receive one share of common stock and will vest in equal installments over a three-year vesting schedule.

2. Reflects dollar-denominated performance restricted stock units granted on March 21, 2023 that vested on March 23, 2026. These units vested as a result of the Company's 2023-2025 relative Total Shareholder Return and 2023-2025 Company average EPS, which are the applicable performance measures.

3. Forfeited shares are related to dollar-denominated performance restricted stock units that vested on March 23, 2026 and were priced based on the closing price of the Company common stock on March 23, 2026.

	/s/ Rachel R. Eslicker, Attorney-in-Fact	03/25/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did FIX executive Terrence Reed report?

Terrence Reed reported equity compensation transactions in Comfort Systems USA common stock. He received 275 shares from a new restricted stock unit grant, 188 shares from vested performance units, and had 56 shares withheld to cover related tax obligations.

Were Terrence Reed’s FIX stock transactions open-market buys or sells?

The transactions were not open-market trades. Reed acquired shares through restricted stock unit and performance unit awards, while 56 shares were disposed of only as tax withholding, reflecting compensation mechanics rather than discretionary buying or selling activity.

How many Comfort Systems USA shares does Terrence Reed hold after these transactions?

Following the reported compensation-related transactions, Terrence Reed directly holds 3,241 shares of Comfort Systems USA common stock. This figure reflects the net result after stock awards and the 56 shares withheld to satisfy tax liabilities on vested performance units.

What are the terms of the new restricted stock units granted to Terrence Reed at FIX?

Each restricted stock unit granted on March 23, 2026 represents one share of Comfort Systems USA common stock. These units will vest in equal installments over a three-year schedule, aligning Reed’s compensation with the company’s longer-term performance and retention goals.

What performance measures affected Terrence Reed’s vested FIX performance units?

The vested dollar-denominated performance restricted stock units were tied to 2023-2025 relative Total Shareholder Return and 2023-2025 company average EPS. Vesting on March 23, 2026 reflects achievement against these performance metrics over the three-year measurement period.

Why were 56 shares of FIX stock withheld in Terrence Reed’s Form 4?

The 56 shares were forfeited to cover tax liabilities arising from the vesting of performance restricted stock units on March 23, 2026. They were valued using the closing price of Comfort Systems USA common stock on that vesting date, as described in the filing footnote.