Director at Comfort Systems USA (NYSE: FIX) sells 1,000 shares

Rhea-AI Filing Summary

Comfort Systems USA director Constance Ellen Skidmore reported an open-market sale of 1,000 shares of Common Stock. The transaction occurred on February 24, 2026 at an average price of $1,425.00 per share, as indicated in the filing.

After this sale, Skidmore directly holds 12,627 shares of Comfort Systems USA. A footnote explains that the reported price is an average for the shares sold and that full details on share amounts and specific prices are available from the company’s Office of the General Counsel upon request.

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

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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^*

Skidmore Constance Ellen

(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)

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

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		1,000	D	$1,425(1)	12,627	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.

	/s/ Rachel R. Eslicker, Attorney-in-Fact	02/24/2026
	** 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.

FAQ

What insider transaction did COMFORT SYSTEMS USA (FIX) report?

COMFORT SYSTEMS USA reported that director Constance Ellen Skidmore executed an open-market sale of Common Stock. The Form 4 filing shows she sold 1,000 shares and continues to hold 12,627 shares directly after the transaction.

How many COMFORT SYSTEMS USA (FIX) shares did the director sell?

Director Constance Ellen Skidmore sold 1,000 shares of COMFORT SYSTEMS USA Common Stock. Following this open-market sale, the filing states that her direct ownership stands at 12,627 shares of the company’s common equity.

What price was received per COMFORT SYSTEMS USA (FIX) share in the sale?

The Form 4 reports an average sale price of $1,425.00 per COMFORT SYSTEMS USA share. A footnote notes this is an average price, and that detailed share counts and specific price levels can be obtained from the company’s Office of the General Counsel.

How many COMFORT SYSTEMS USA (FIX) shares does the director own after the sale?

After the reported transaction, director Constance Ellen Skidmore directly owns 12,627 COMFORT SYSTEMS USA Common Stock shares. This post-transaction holdings figure is disclosed in the Form 4 as the total direct ownership remaining following the 1,000-share sale.

What does the Form 4 footnote say about the COMFORT SYSTEMS USA (FIX) sale price?

The footnote explains that the reported $1,425.00 is the average price of shares sold. It also states that complete information on exact share amounts and individual sale prices is available upon request from COMFORT SYSTEMS USA’s Office of the General Counsel.

What type of transaction did the COMFORT SYSTEMS USA (FIX) Form 4 report?

The Form 4 describes an open-market sale of Common Stock by director Constance Ellen Skidmore. The transaction code “S” and description specify that it was a sale in an open market or private transaction of 1,000 shares.