FIX Form 144 Notice: Insider Plans to Sell 800 Common Shares via RBC

Rhea-AI Filing Summary

Form 144 notice for Comfort Systems USA, Inc. (symbol FIX) shows a proposed sale of 800 common shares through RBC Capital Markets with an aggregate market value of $586,846.00 and an approximate sale date of 09/10/2025 on the NYSE. The filer acquired the 800 shares as compensation on 05/17/2022. The filing also discloses two recent sales by the same person: 700 shares sold on 08/25/2025 for $482,702.00 and 700 shares sold on 09/09/2025 for $495,982.00. The notice includes the standard representation that the seller is unaware of undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Routine Rule 144 filing showing an insider/planned sale and recent small dispositions; appears procedural, not material.

The filing documents a proposed sale of 800 common shares via RBC Capital Markets with historical sales of 700 shares each on two recent dates. The shares were acquired as compensation in May 2022. From an investor-impact perspective, the filing is a standard compliance disclosure under Rule 144 and does not by itself indicate company performance changes. The filing provides transaction dates, amounts, and gross proceeds but does not include context on ownership percentage or aggregate holdings, limiting assessment of dilution or insider intent.

Corporate Governance Expert

TL;DR: Compliance-focused disclosure; confirms trading activity and the signature representation but offers no governance red flags.

The notice contains the routine certification that the seller is not aware of undisclosed material adverse information and notes securities were received as compensation. It documents brokerage routing and sale dates. For governance review, the filing confirms adherence to disclosure obligations under Rule 144 but lacks details on any trading plan (Rule 10b5-1) or the seller's remaining holdings, so it cannot be used to infer trading policy adherence beyond the representation made.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
COMMON	RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	800	586846.00	35281452	09/10/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
COMMON	05/17/2022	COMPENSATION	ISSUER			800	05/17/2022	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
WILLIAM SANDBROOK C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	COMFORT SYSTEMS USA INC	09/09/2025	700	495982.00
WILLIAM SANDBROOK C/O RBC CAPITAL MARKETS LLC 250 NICOLLET MALL, SUITE 1700 MINNEAPOLIS MN 55401	COMFORT SYSTEMS USA INC	08/25/2025	700	482702.00

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 for Comfort Systems USA (FIX) disclose?

The filing discloses a proposed sale of 800 common shares via RBC Capital Markets with aggregate market value $586,846.00 and an approximate sale date of 09/10/2025.

When were the shares to be sold by the filer acquired?

The 800 shares were acquired as compensation on 05/17/2022 and payment was recorded on that date.

Has the filer sold any Comfort Systems (FIX) shares recently?

Yes. The filing lists two recent sales by the same person: 700 shares on 08/25/2025 for $482,702.00 and 700 shares on 09/09/2025 for $495,982.00.

Through which broker will the proposed sale be executed?

The proposed sale is to be executed through RBC Capital Markets LLC (address shown in the filing).

Does the filing state whether the seller knows any undisclosed material information?

Yes. By signing the notice, the seller represents they do not know any material adverse information about the issuer that has not been publicly disclosed.