Builders FirstSource (NYSE: BLDR) director awarded 2,558 restricted stock units

Rhea-AI Filing Summary

Builders FirstSource director Christophe A. Cleveland received 2,558 restricted stock units as equity compensation. The grant carries no cash exercise price and increases his direct holdings to 37,707 shares of common stock. The units vest on May 14, 2027, delivering one share for each vested unit.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider CHRISTOPHE CLEVELAND A

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share	2,558	$0.00	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 37,707 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 2,558 units Grant price: $0.00 per share Post-transaction holdings: 37,707 shares +1 more

4 metrics

RSUs granted 2,558 units Restricted stock units awarded to director on May 14, 2026

Grant price $0.00 per share Transaction price for the RSU award

Post-transaction holdings 37,707 shares Total common shares held directly after the grant

Vesting date May 14, 2027 Date when RSUs vest into common shares

Key Terms

restricted stock units, 2014 Incentive Plan, vest

3 terms

restricted stock units financial

"Reflects the acquisition of restricted stock units pursuant to the Corporation's 2014 Incentive Plan."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2014 Incentive Plan financial

"Reflects the acquisition of restricted stock units pursuant to the Corporation's 2014 Incentive Plan."

vest financial

"The restricted stock units vest on May 14, 2027 and entitle the reporting person to one share of common stock for each restricted stock unit that vests."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

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^*

CHRISTOPHE CLEVELAND A

(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)
05/14/2026

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	05/14/2026		A		2,558(1)	A	$0	37,707	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 acquisition of restricted stock units pursuant to the Corporation's 2014 Incentive Plan. The restricted stock units vest on May 14, 2027 and entitle the reporting person to one share of common stock for each restricted stock unit that vests.

	/s/ Minator Azemi, by power of attorney	05/18/2026
	** 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 director Christophe Cleveland report?

Director Christophe A. Cleveland reported receiving 2,558 restricted stock units in Builders FirstSource common stock as a compensation grant. These units were awarded at no cash cost to him and represent additional equity-based incentives tied to continued service and future vesting.

Is the BLDR Form 4 transaction a stock purchase or a compensation grant?

The BLDR Form 4 shows a compensation grant, not an open-market stock purchase. Christophe A. Cleveland received 2,558 restricted stock units with a transaction price of $0.00 per share under the company’s 2014 Incentive Plan, reflecting equity-based director compensation.

When do Christophe Cleveland’s BLDR restricted stock units vest?

The restricted stock units granted to Christophe A. Cleveland vest on May 14, 2027. Upon vesting, each of the 2,558 units entitles him to receive one share of Builders FirstSource common stock, assuming any applicable service or plan conditions are satisfied.

How many BLDR shares does Christophe Cleveland hold after this Form 4?

After the reported grant, Christophe A. Cleveland holds 37,707 Builders FirstSource common shares directly. This total includes the impact of the 2,558 restricted stock units reported in the Form 4, which are structured to convert to shares upon vesting under plan terms.

What plan governs the BLDR restricted stock units granted to Christophe Cleveland?

The restricted stock units were granted under Builders FirstSource’s 2014 Incentive Plan. This plan provides equity-based awards such as restricted stock units, which vest over time and entitle the recipient to receive common shares when vesting conditions and plan requirements are met.