[Form 4] Builders FirstSource, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Paul S. Levy, a director of Builders FirstSource, Inc. (BLDR), reported an insider acquisition on 09/01/2025. The Form 4 shows he received 576 shares of BLDR common stock at a reported price of $138.68 per share as payment in lieu of cash for director services under the company’s 2014 Incentive Plan and Amended and Restated Director Compensation Policy. After this award, Mr. Levy beneficially owned 1,675,712 shares on a direct basis. The filing was signed by a power of attorney on 09/03/2025.

Positive

• Director increased equity ownership: Received 576 shares, bringing direct beneficial ownership to 1,675,712 shares.
• Shares issued as compensation: Acquisition was made in lieu of cash under the 2014 Incentive Plan, aligning director pay with shareholder interests.

Negative

• None.

Insights

Securities Analyst

TL;DR: Director Paul S. Levy increased direct holdings by 576 shares via director compensation, now holding 1,675,712 shares.

The Form 4 documents a routine, non-market acquisition: 576 shares issued in lieu of cash compensation under the issuer’s director compensation plan at a reported per-share value of $138.68. This is a compensatory issuance rather than an open-market purchase, so it signals alignment with management through equity pay but does not reflect personal capital deployment. The reported beneficial ownership amount provides context on the director’s stake size but the filing contains no additional material events, option exercises, or dispositions.

Corporate Governance Expert

TL;DR: Transaction is a standard director compensation issuance, consistent with common governance practices.

The explanation confirms the shares were issued under the company’s 2014 Incentive Plan and amended director compensation policy as compensation for board service. Such in-kind equity compensation is a typical governance mechanism to align directors with shareholder interests. The Form 4 shows direct beneficial ownership after the grant and is signed via power of attorney, which is an acceptable administrative practice. No governance concerns or unusual terms are disclosed in this filing.

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^*

LEVY PAUL S

(Last) (First) (Middle)

440 ROYAL PALM WAY, SUITE 206

(Street)

PALM BEACH FL 33408

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Builders FirstSource, Inc. [ BLDR ]

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)
09/01/2025

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, par value $0.01 per share	09/01/2025		A(1)		576	A	$138.68	1,675,712	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. Reflects acquisition of shares in lieu of cash compensation for services as a director under the Corporation's 2014 Incentive Plan pursuant to the Corporation's Amended and Restated Director Compensation Policy.

	/s/ Minator Azemi, by power of attorney	09/03/2025
	** 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 transaction did Paul S. Levy report on Form 4 for BLDR?

He reported an acquisition of 576 shares of Builders FirstSource common stock on 09/01/2025.

At what price were the 576 shares reported on the Form 4?

The shares were reported at a price of $138.68 per share.

Why were the shares issued to the reporting person?

The Form 4 states the shares were issued in lieu of cash compensation for director services under the company’s 2014 Incentive Plan and Amended and Restated Director Compensation Policy.

How many BLDR shares does Paul S. Levy beneficially own after the transaction?

Following the reported transaction, he beneficially owned 1,675,712 shares on a direct basis.

Who signed the Form 4 and when?

The filing was signed by Minator Azemi by power of attorney on 09/03/2025.

Does the Form 4 show any dispositions or derivative transactions?

No. The filing discloses only a non-derivative acquisition of common stock and shows no dispositions or derivative transactions.