Builders FirstSource (BLDR) director receives 359-share stock award as compensation

Rhea-AI Filing Summary

Builders FirstSource director Craig Arthur Steinke received additional company stock as part of his board compensation. On March 1, 2026, he acquired 359 shares of common stock at a reference price of $104.29 per share as a grant or award.

The footnote explains these shares were issued in lieu of cash fees for his services as a director under the company’s 2014 Incentive Plan and its Amended and Restated Director Compensation Policy. After this award, Steinke directly holds 99,013 shares of Builders FirstSource common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Steinke Craig Arthur

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share	359	$104.29	$37K

Holdings After Transaction: Common Stock, par value $0.01 per share — 99,013 shares (Direct)

Footnotes (1)

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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^*

Steinke Craig Arthur

(Last) (First) (Middle)

C/O BUILDERS FIRSTSOURCE, INC.

6031 CONNECTION DR., STE. 400

(Street)

IRVING TX 75039

(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)
03/01/2026

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	03/01/2026		A(1)		359	A	$104.29	99,013	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	03/03/2026
	** 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.

FAQ

What did BLDR director Craig Arthur Steinke report in this Form 4?

Craig Arthur Steinke reported receiving a grant of 359 shares of Builders FirstSource common stock. The shares were issued as part of his director compensation, under the company’s 2014 Incentive Plan and its Amended and Restated Director Compensation Policy.

Was the BLDR Form 4 transaction an open-market purchase or sale?

The Form 4 shows a grant or award acquisition, not an open-market trade. Shares were issued in lieu of cash compensation for Steinke’s director services, under Builders FirstSource’s 2014 Incentive Plan and Director Compensation Policy.

How many BLDR shares did Craig Arthur Steinke acquire and at what price?

Steinke acquired 359 shares of Builders FirstSource common stock, with a reported price of $104.29 per share. This reflects the value used for the grant of stock made in lieu of cash director compensation, according to the Form 4 disclosure.

How many Builders FirstSource (BLDR) shares does Craig Arthur Steinke now hold?

After the reported transaction, Craig Arthur Steinke directly owns 99,013 shares of Builders FirstSource common stock. This updated holding reflects the addition of 359 shares granted as stock compensation for his role as a director.

Why did BLDR grant shares to Craig Arthur Steinke instead of paying cash?

The footnote states the 359 shares were issued in lieu of cash compensation for Steinke’s board service. The grant was made under Builders FirstSource’s 2014 Incentive Plan and its Amended and Restated Director Compensation Policy for non-employee directors.

What does transaction code "A" mean in the BLDR Form 4 for Craig Arthur Steinke?

Transaction code "A" on the Form 4 indicates a grant, award, or other acquisition of securities. In this case, it reflects an award of 359 Builders FirstSource shares issued as stock compensation rather than a market purchase or sale.