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Builders FirstSource (NYSE: BLDR) awards 3,366 RSUs to West Division president

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(Neutral)
Form Type
4

Rhea-AI Filing Summary

Builders FirstSource, Inc. reported that Paul Vaughn, its President – West Division, received a grant of 3,366 restricted stock units of common stock as equity compensation. The units were granted at no cash cost and increase his direct holdings to 40,724 shares of common stock.

The restricted stock units were granted under the company’s 2026 Incentive Plan and vest in 33.3% increments on July 18 of each year from 2027 through 2029, with each vested unit converting into one share of common stock.

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Insider Vaughn Paul
Role President - West Division
Type Security Shares Price Value
Grant/Award Common Stock, par value $0.01 per share F1 3,366 $0.00 $0.00
Holdings After Transaction: Common Stock, par value $0.01 per share — 40,724 shares (Direct)
Footnotes (1)
  1. F1. Reflects the acquisition of restricted stock units pursuant to the Corporation's 2026 Incentive Plan. The restricted stock units vest in 33.3% increments on each of July 18, 2027-2029 and entitle the reporting person to one share of common stock for each restricted stock unit that vests.
Restricted stock units granted 3,366 units Grant of RSUs to Paul Vaughn on 2026-07-18
Grant price per share $0.00 per share Reported transaction price for RSU grant
Shares held after grant 40,724 shares Direct holdings of Paul Vaughn following the reported transaction
First vesting date July 18, 2027 33.3% of RSUs vest on this date
Final vesting date July 18, 2029 Last 33.3% of RSUs vest on this date
Vesting fraction per tranche 33.3% Portion of RSUs vesting each year from 2027 to 2029
restricted stock units financial
"Reflects the acquisition of restricted stock units pursuant to the Corporation's 2026 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.
2026 Incentive Plan financial
"Reflects the acquisition of restricted stock units pursuant to the Corporation's 2026 Incentive Plan."
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.
vest financial
"The restricted stock units vest in 33.3% increments on each of July 18, 2027-2029"
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.

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

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FAQ

What insider transaction did Builders FirstSource (BLDR) report for Paul Vaughn?

Builders FirstSource reported that Paul Vaughn, President – West Division, received a grant of 3,366 restricted stock units of common stock as equity compensation, increasing his direct holdings to 40,724 shares after the award.

How many Builders FirstSource (BLDR) shares does Paul Vaughn hold after this Form 4 grant?

After the grant, Paul Vaughn directly holds 40,724 shares of Builders FirstSource common stock. This total includes the impact of the 3,366 restricted stock units awarded in the reported transaction.

What are the vesting terms of the 3,366 restricted stock units reported by BLDR?

The 3,366 restricted stock units vest in 33.3% increments on July 18, 2027, 2028, and 2029. Each vested restricted stock unit entitles Paul Vaughn to one share of Builders FirstSource common stock upon vesting.

Was the Builders FirstSource (BLDR) equity award to Paul Vaughn a market purchase?

No. The filing classifies the transaction as a grant or award acquisition of 3,366 restricted stock units at a reported price of $0.00 per share, indicating it is a compensation award rather than a market purchase.

Under which plan were Paul Vaughn’s new BLDR restricted stock units granted?

The 3,366 restricted stock units were granted under Builders FirstSource’s 2026 Incentive Plan. This plan provides equity-based compensation, with these units converting into one share of common stock for each unit that vests over 2027–2029.
SEC Form 4
FORM 4UNITED 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*
Vaughn Paul

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
President - West Division
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/18/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock, par value $0.01 per share07/18/2026A(1)3,366A$0.0040,724D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Reflects the acquisition of restricted stock units pursuant to the Corporation's 2026 Incentive Plan. The restricted stock units vest in 33.3% increments on each of July 18, 2027-2029 and entitle the reporting person to one share of common stock for each restricted stock unit that vests.
/s/ Alena Brenner, by power of attorney07/21/2026
** Signature of Reporting PersonDate
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)