Builders FirstSource (NYSE: BLDR) COO makes charitable gift of 850 shares

Rhea-AI Filing Summary

Builders FirstSource, Inc. Chief Operating Officer Stephen J. Herron reported a bona fide gift of 850 shares of common stock on June 5, 2026. The shares were gifted to various charitable organizations and involved no sale proceeds. After this disposition, he directly owns 110,260 common shares.

Insider Trade Summary

850 shares gifted

Mixed 1 txn

Insider Herron Stephen J

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Gift	Common Stock, par value $0.01 per share	850	$0.00	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 110,260 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares gifted: 850 shares Shares owned after transaction: 110,260 shares Gift price per share: $0.00 per share

3 metrics

Shares gifted 850 shares Bona fide gift of common stock on June 5, 2026

Shares owned after transaction 110,260 shares Direct common stock holdings following the gift

Gift price per share $0.00 per share Reported transaction price for gifted shares

Key Terms

bona fide gift, Common Stock, par value $0.01 per share, Chief Operating Officer, Form 4

4 terms

bona fide gift financial

"transaction_code_description: "Bona fide gift""

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

Common Stock, par value $0.01 per share financial

"security_title: "Common Stock, par value $0.01 per share""

Chief Operating Officer financial

"officer_title: "Chief Operating Officer""

A chief operating officer (COO) is a senior executive responsible for overseeing the day-to-day activities of a company, ensuring that all parts of the organization work smoothly and efficiently. They often act like a company's operational quarterback, translating strategic plans into practical actions. For investors, the COO's effectiveness can influence a company's performance and stability, making them an important figure in assessing the company's management strength.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Herron Stephen J

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

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	06/05/2026		G(1)		850	D	$0	110,260	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 the gift of common stock to various charitable organizations.

	/s/ Minator Azemi, by power of attorney	06/10/2026
	** 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)

FAQ

What insider transaction did BLDR COO Stephen Herron report?

Stephen J. Herron reported a bona fide gift of 850 Builders FirstSource common shares. The filing shows this as a charitable transfer, not a market sale, and therefore it does not represent an open-market trading decision in the company’s stock.

How many Builders FirstSource (BLDR) shares were gifted in this Form 4?

The Form 4 reports a gift of 850 shares of Builders FirstSource common stock. These shares were transferred at a reported price of $0.00 per share as a bona fide gift to various charitable organizations, rather than being sold in the open market.

How many BLDR shares does Stephen Herron hold after the reported gift?

After the gift transaction, Stephen J. Herron directly holds 110,260 Builders FirstSource common shares. This figure reflects his remaining position reported in the Form 4 and shows that the 850-share gift represents a small portion of his total direct holdings.

Was the BLDR insider transaction a buy or a sell of shares?

The transaction was neither a buy nor a sale; it was a bona fide gift. The Form 4 classifies the move under transaction code G, indicating a gift disposition of 850 common shares to charitable organizations with no purchase or sale on an exchange.

Who benefited from the BLDR shares gifted by Stephen Herron?

According to the Form 4 footnote, the 850 Builders FirstSource shares were gifted to various charitable organizations. This indicates the shares were transferred for philanthropic purposes rather than for personal liquidity, with no cash consideration reported in the filing.