Builders FirstSource director granted 1,204 shares

Builders FirstSource director Paul S. Levy received stock-based board compensation, increasing his direct holdings to over 1.7 million shares.

Rhea-AI Filing Summary

Builders FirstSource, Inc. (symbol: BLDR) is the issuer of record for a Form 4 filing submitted to the SEC. LEVY PAUL S reported acquisition or exercise transactions in this Form 4 filing.

Builders FirstSource, Inc. (BLDR) director Paul S. Levy received a grant of 1,204 shares of common stock on September 10, 2026 as an award in lieu of cash fees for board service under the corporation's 2026 Incentive Plan and Amended and Restated Director Compensation Policy. Following this stock-based compensation award, Levy directly holds 1,732,002 shares of Builders FirstSource common stock.

Insider Trade Summary

Grant/Award: 1,204 shares

Grant/Award 1 txn

Insider LEVY PAUL S

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share F1	1,204	$0.00	$0.00

Holdings After Transaction: Common Stock, par value $0.01 per share — 1,732,002 shares (Direct)

Footnotes (1)

1. F1. Reflects acquisition of shares in lieu of cash compensation for services as a director under the Corporation's 2026 Incentive Plan pursuant to the Corporation's Amended and Restated Director Compensation Policy.

Key Figures

Shares acquired: 1,204 shares Price per share: $0.00 per share Shares owned after transaction: 1,732,002 shares +1 more

4 metrics

Shares acquired 1,204 shares Grant or award on September 10, 2026 in lieu of cash director fees

Price per share $0.00 per share Reported for the 1,204-share stock award taken instead of cash compensation

Shares owned after transaction 1,732,002 shares Direct holdings of Paul S. Levy following the September 10, 2026 award

Number of acquire-type transactions 1 transaction One grant or award acquisition reported in this Form 4

Key Terms

2026 Incentive Plan, Amended and Restated Director Compensation Policy, in lieu of cash compensation

3 terms

2026 Incentive Plan financial

"under the Corporation's 2026 Incentive Plan pursuant to the Corporation's"

A 2026 incentive plan is a company’s formal program, often named for a year, that authorizes awards like stock options, restricted shares, and cash bonuses to employees and executives to motivate performance and retain talent. For investors it matters because the plan creates potential new shares or payouts that can dilute existing ownership and align management’s choices with company goals—think of it as a reward budget that affects both pay incentives and share value.

Amended and Restated Director Compensation Policy financial

"pursuant to the Corporation's Amended and Restated Director Compensation Policy"

in lieu of cash compensation financial

"Reflects acquisition of shares in lieu of cash compensation for services"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did BLDR director Paul S. Levy report?

Paul S. Levy reported the acquisition of 1,204 shares of Builders FirstSource common stock on September 10, 2026 as a grant or award for his services as a director.

Was Paul S. Levy’s BLDR share grant paid in cash or stock?

The compensation was paid in stock, not cash. Levy acquired 1,204 shares in lieu of cash compensation for services as a director under Builders FirstSource’s 2026 Incentive Plan and Amended and Restated Director Compensation Policy.

What is Paul S. Levy’s BLDR share ownership after this transaction?

After the September 10, 2026 award, Paul S. Levy directly owns 1,732,002 shares of Builders FirstSource common stock, as reported in the filing.

Did Paul S. Levy buy or sell BLDR shares on the open market?

No open-market trade is reported. The filing shows a grant or award acquisition of 1,204 shares with a reported per-share price of $0.00, reflecting stock taken as compensation rather than a market purchase.

Was the BLDR insider transaction under a Rule 10b5-1 trading plan?

No. The filing indicates no Rule 10b5-1 trading plan; the document-level checkbox for such a plan is not marked.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/14/2026 - 04:06 PM Accepted by SEC EDGAR 09/14/2026 - 04:05 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^*

LEVY PAUL S

(Last) (First) (Middle)

440 ROYAL PALM WAY, SUITE 206

(Street)

PALM BEACH FLORIDA 33408

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

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, par value $0.01 per share	09/10/2026		A(1)		1,204	A	$0.00	1,732,002	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 2026 Incentive Plan pursuant to the Corporation's Amended and Restated Director Compensation Policy.

	/s/ Alena Brenner, by power of attorney	09/14/2026
	** 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)