Comfort Systems USA director receives stock grant

ANDERSON DARCY reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

ANDERSON DARCY reported acquisition or exercise transactions in this Form 4 filing.

COMFORT SYSTEMS USA INC director Darcy Anderson received a grant of 105 shares of Common Stock as compensation. The award was granted on May 18, 2026 under the 2017 Omnibus Incentive Plan and is described as a non-employee director's annual stock grant following the company’s annual stockholders' meeting.

The footnote states that this year’s grant is equal to $200,000, calculated by dividing that amount by the average of the high and low trading prices of the company’s stock on the meeting date and rounding up to the nearest whole share. Following this grant, Anderson directly holds 18,140 shares of Common Stock.

Insights

Equity Compensation Analyst

Routine equity grant to non-employee director; neutral impact.

Director Darcy Anderson received an annual grant of 105 shares of COMFORT SYSTEMS USA INC Common Stock valued at $200,000. The award comes under the company’s 2017 Omnibus Incentive Plan for non-employee directors.

This is a standard, compensation-related acquisition rather than an open-market purchase. It does not change cash on the company’s balance sheet and represents a modest increase in the director’s direct holdings to 18,140 shares. As such, it is typically viewed as an administrative governance event with limited standalone significance for shareholders.

Insider Trade Summary

Grant/Award: 105 shares

Grant/Award 1 txn

Insider ANDERSON DARCY

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	105	$0.00	$0.00

Holdings After Transaction: Common Stock — 18,140 shares (Direct)

Footnotes (1)

1. F1. Shares granted pursuant to the 2017 Omnibus Incentive Plan as approved by stockholders on May 23, 2017. Non-employee directors are given an annual grant of Comfort Systems USA Common Stock following election or reelection at the Company's annual stockholders' meeting. This year's grant is equal to $200,000, as rounded up to the nearest whole share, based on the average of the high and low price of the Company's Common Stock on the day of the annual stockholders' meeting.

Key Figures

Shares granted: 105 shares Grant value: $200,000 Post-transaction holdings: 18,140 shares +2 more

5 metrics

Shares granted 105 shares Non-employee director annual grant on May 18, 2026

Grant value $200,000 Value of 2026 non-employee director annual stock grant

Post-transaction holdings 18,140 shares Common Stock directly owned after grant

Price basis for grant Average of high and low price Used on annual stockholders’ meeting date to size award

Transaction code A (Grant, award, or other acquisition) Indicates equity award, not open-market trade

Key Terms

2017 Omnibus Incentive Plan, non-employee directors, annual grant, average of the high and low price

4 terms

2017 Omnibus Incentive Plan financial

"Shares granted pursuant to the 2017 Omnibus Incentive Plan as approved by stockholders on May 23, 2017."

non-employee directors financial

"Non-employee directors are given an annual grant of Comfort Systems USA Common Stock following election or reelection."

Non-employee directors are board members who do not work for the company as salaried employees and usually do not hold day-to-day management roles. They act like outside referees or independent coaches, providing oversight, asking tough questions, and protecting shareholders’ interests; investors care because these directors help ensure management is accountable, reduce conflicts of interest, and influence decisions that affect company strategy and long-term value.

annual grant financial

"Non-employee directors are given an annual grant of Comfort Systems USA Common Stock following election or reelection."

average of the high and low price financial

"This year's grant is equal to $200,000, as rounded up to the nearest whole share, based on the average of the high and low price."

FAQ

What did Darcy Anderson report in the latest Form 4 for COMFORT SYSTEMS USA (FIX)?

Darcy Anderson reported receiving a grant of 105 shares of COMFORT SYSTEMS USA Common Stock. The award is a non-employee director’s annual stock grant under the 2017 Omnibus Incentive Plan, following the company’s annual stockholders’ meeting.

How large is Darcy Anderson’s latest stock grant from COMFORT SYSTEMS USA (FIX)?

The latest grant to Darcy Anderson is 105 shares of Common Stock. A footnote explains that this year’s non-employee director grant equals $200,000, determined using the average of the high and low stock price on the annual meeting date.

What are Darcy Anderson’s COMFORT SYSTEMS USA (FIX) holdings after this Form 4 transaction?

After the reported grant, Darcy Anderson directly holds 18,140 shares of COMFORT SYSTEMS USA Common Stock. The transaction increased her position through an equity award rather than an open-market purchase, reflecting standard director compensation structure at the company.

Under what plan was the COMFORT SYSTEMS USA (FIX) stock granted to Darcy Anderson?

The shares were granted under the COMFORT SYSTEMS USA 2017 Omnibus Incentive Plan. The footnote notes that non-employee directors receive an annual stock grant after election or reelection at the company’s annual stockholders’ meeting, with this year’s grant valued at $200,000.

How is the dollar value of Darcy Anderson’s COMFORT SYSTEMS USA (FIX) stock grant determined?

The grant’s value is set at $200,000 for this year’s award. The company calculates shares by dividing that amount by the average of the high and low trading prices on the annual stockholders’ meeting date, then rounding up to the nearest whole share.

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Accepted by SEC EDGAR 05/19/2026 - 04:48 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^*

ANDERSON DARCY

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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	05/18/2026		A		105	A	$0(1)	18,140	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. Shares granted pursuant to the 2017 Omnibus Incentive Plan as approved by stockholders on May 23, 2017. Non-employee directors are given an annual grant of Comfort Systems USA Common Stock following election or reelection at the Company's annual stockholders' meeting. This year's grant is equal to $200,000, as rounded up to the nearest whole share, based on the average of the high and low price of the Company's Common Stock on the day of the annual stockholders' meeting.

	/s/ Rachel R. Eslicker, Attorney-in-Fact	05/19/2026
	** 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)