BLDR director granted 508 shares as equity pay

Hayes William B reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Hayes William B reported acquisition or exercise transactions in this Form 4 filing.

Builders FirstSource, Inc. director William B. Hayes received a stock grant of 508 shares of common stock at $76.26 per share. This equity award was taken in lieu of cash fees for his board service under the company’s 2026 Incentive Plan and Amended and Restated Director Compensation Policy.

Following the grant, Hayes directly owns 19,638 shares of Builders FirstSource common stock. A separate indirect holding entry shows 14,593 shares held through a Spousal Lifetime Access Trust, reflecting shares associated with estate and family planning.

Insider Trade Summary

Grant/Award: 508 shares

Grant/Award 2 txns

Insider Hayes William B

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share	508	$76.26	$39K
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 19,638 shares (Direct); Common Stock, par value $0.01 per share — 14,593 shares (Indirect, By Spousal Lifetime Access Trust)

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

Director stock grant: 508 shares Grant price: $76.26 per share Direct holdings after grant: 19,638 shares +1 more

4 metrics

Director stock grant 508 shares Common stock grant to William B. Hayes

Grant price $76.26 per share Value used for 508-share equity award

Direct holdings after grant 19,638 shares Common stock directly owned by Hayes after transaction

Indirect trust holdings 14,593 shares Shares held via Spousal Lifetime Access Trust

Key Terms

Spousal Lifetime Access Trust, 2026 Incentive Plan, Amended and Restated Director Compensation Policy, Grant, award, or other acquisition

4 terms

Spousal Lifetime Access Trust financial

"A separate indirect holding entry shows 14,593 shares held through a Spousal Lifetime Access Trust"

2026 Incentive Plan financial

"under the company’s 2026 Incentive Plan and Amended and Restated Director Compensation Policy"

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

"under the company’s 2026 Incentive Plan and Amended and Restated Director Compensation Policy"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

FAQ

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

What insider transaction did BLDR director William B. Hayes report?

William B. Hayes reported receiving 508 shares of Builders FirstSource common stock as a grant. The shares were awarded instead of cash compensation for his director services under the company’s 2026 Incentive Plan and Amended and Restated Director Compensation Policy.

At what price were the BLDR shares granted to William B. Hayes?

The 508 Builders FirstSource shares granted to William B. Hayes were valued at $76.26 per share. This price reflects the share value used for the equity compensation, replacing a portion of his cash fees as a company director.

How many Builders FirstSource shares does William B. Hayes now hold directly?

After the reported grant, William B. Hayes directly holds 19,638 shares of Builders FirstSource common stock. This figure reflects his direct ownership position following the 508-share equity award disclosed in the Form 4 filing.

What is the Spousal Lifetime Access Trust mentioned in the BLDR Form 4?

The Form 4 notes an indirect holding of 14,593 shares of Builders FirstSource stock through a Spousal Lifetime Access Trust. This indicates shares associated with estate or family planning, separate from Hayes’s directly held position in the company.

Why did William B. Hayes receive BLDR shares instead of cash compensation?

Hayes received Builders FirstSource shares in lieu of cash under the company’s 2026 Incentive Plan. The footnote explains this equity award replaces cash compensation for his director services under the Amended and Restated Director Compensation Policy.

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

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Accepted by SEC EDGAR 06/02/2026 - 04:05 PM EDT 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^*

Hayes William B

(Last) (First) (Middle)

C/O BUILDERS FIRSTSOURCE, INC.

6031 CONNECTION DR., STE. 400

(Street)

IRVING TEXAS 75039

(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)
06/01/2026

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	06/01/2026		A(1)		508	A	$76.26	19,638	D
Common Stock, par value $0.01 per share								14,593	I	By Spousal Lifetime Access Trust

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/ Minator Azemi, by power of attorney	06/02/2026
	** 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)