Comfort Systems SVP sells 1,787 company shares

Comfort Systems USA senior vice president and chief human resources officer Terrence Reed reported two open-market sales of common stock.

Rhea-AI Filing Summary

Comfort Systems USA senior vice president and chief human resources officer Terrence Reed reported two open-market sales of common stock. On February 24, 2026, he sold 671 shares at an average price of 1457.1700 per share, leaving him with 3,950 shares directly held. On March 3, 2026, he sold an additional 1,116 shares at an average price of 1397.3310 per share, resulting in 2,834 shares of common stock held directly after the transaction. Footnotes state that the reported prices are averages and that detailed trade price information is available from the company’s Office of the General Counsel.

Insider Trade Summary

Net Seller: 1,787 shares

Net Sell 2 txns

Insider Reed Terrence

Role SVP & CHRO

Sold 1,787 shs ($2.54M)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,116	$1,397.331	$1.56M
Sale	Common Stock	671	$1,457.17	$978K

Holdings After Transaction: Common Stock — 2,834 shares (Direct)

Footnotes (2)

1. 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.
2. F2. 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.

FAQ

What insider transactions did FIX executive Terrence Reed report on this Form 4?

Terrence Reed reported two open-market sales of Comfort Systems USA common stock. He sold 671 shares on February 24, 2026 and 1,116 shares on March 3, 2026, reducing his directly held position after each transaction.

How many COMFORT SYSTEMS USA (FIX) shares did the SVP & CHRO sell and at what prices?

Terrence Reed sold a total of 1,787 common shares. He sold 671 shares at an average price of 1457.1700 and 1,116 shares at an average price of 1397.3310, with prices described as averages in the footnotes.

How many COMFORT SYSTEMS USA (FIX) shares does Terrence Reed hold after these transactions?

After the February 24, 2026 sale, Terrence Reed directly held 3,950 common shares of Comfort Systems USA. Following the March 3, 2026 open-market sale, his directly held position decreased to 2,834 common shares, as reported in the Form 4 filing.

What type of transactions are reported in this COMFORT SYSTEMS USA (FIX) Form 4?

The Form 4 reports two non-derivative transactions in Comfort Systems USA common stock. Both are coded as “S” and described as open-market or private sales, indicating Reed disposed of shares rather than acquiring additional stock in these events.

Do the reported prices for the FIX insider sales reflect exact trade prices?

The reported prices are averages for the shares sold in each transaction. A footnote explains that full details on the number of shares sold at each specific price are available upon request from Comfort Systems USA’s Office of the General Counsel.

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Accepted by SEC EDGAR 03/05/2026 - 03:00 PM Learn about SEC filing dates

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 TX 77024

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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

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

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

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	02/24/2026		S		671	D	$1,457.17(1)	3,950	D
Common Stock	03/03/2026		S		1,116	D	$1,397.331(2)	2,834	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. 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.

2. 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.

	/s/ Rachel R. Eslicker, Attorney-in-Fact	03/05/2026
	** 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.