BLDR Form 144 Notice — 1,250 Vested Shares to Be Sold on NYSE

Rhea-AI Filing Summary

Builders FirstSource (BLDR) Form 144 notice reports a proposed sale of 1,250 common shares through Morgan Stanley Smith Barney LLC on the NYSE with an aggregate market value of $181,061.50. The shares were acquired on 03/15/2024 via restricted stock vesting under a registered plan and were fully paid on that date. The filer indicates an approximate sale date of 08/22/2025. The form states there were no sales by the person in the past three months and includes the standard representation that the seller is not aware of undisclosed material adverse information about the issuer.

Insights

Financial Analyst

TL;DR: A small insider-derived share sale notice; not material to company valuation.

The Form 144 discloses a proposed resale of 1,250 shares valued at $181,061.50, acquired through restricted stock vesting on 03/15/2024. For a public company of Builders FirstSource's scale, this volume is typically immaterial and reflects routine liquidity by an insider or covered person rather than a strategic disposition. The filing shows no other sales in the prior three months and conforms to required representations regarding material nonpublic information.

Corporate Governance Expert

TL;DR: Routine Rule 144 compliance filing tied to vested restricted stock; governance implications are limited.

The notice documents compliance with Rule 144 for resale of vested restricted shares via a broker on the NYSE with an expected sale date of 08/22/2025. The filer attests to the absence of undisclosed material adverse information and reports no recent sales, aligning with standard insider disclosure practices. There are no indications of unusual timing, structured payments, or aggregated sales that would raise governance or compliance concerns based on the provided data.

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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1250	181061.50	110546931	08/22/2025	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	03/15/2024	Restricted stock vesting under a registered plan	Issuer			1250	03/15/2024	Not Applicable

* 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

Nothing to Report

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 Builders FirstSource's (BLDR) Form 144 disclose?

The Form 144 reports a proposed sale of 1,250 common shares (aggregate value $181,061.50) to be sold via Morgan Stanley Smith Barney on the NYSE with an approximate sale date of 08/22/2025.

When and how were the shares being sold on BLDR acquired?

The shares were acquired on 03/15/2024 through restricted stock vesting under a registered plan and were paid in full on that date.

Does the Form 144 show other recent sales by the filer for BLDR?

No. The filing indicates Nothing to Report for securities sold during the past three months by the person for whose account the securities are to be sold.

Which broker and exchange are involved in the proposed BLDR sale?

The broker listed is Morgan Stanley Smith Barney LLC, and the sale is to occur on the NYSE.

Does the filer claim any undisclosed material information about Builders FirstSource?

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