Scott L. Robins - 15 Mar 2026 Form 4 Insider Report for Builders FirstSource, Inc. (BLDR)

Role
President - West Division
Signature
/s/ Minator Azemi, by power of attorney
Issuer symbol
BLDR
Transactions as of
15 Mar 2026
Net transactions value
$0
Form type
4
Filing time
17 Mar 2026, 19:05:12 UTC
Previous filing
18 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Robins Scott L President - West Division C/O BUILDERS FIRSTSOURCE, INC., 6031 CONNECTION DR., STE. 400, IRVING /s/ Minator Azemi, by power of attorney 17 Mar 2026 0001732646

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction BLDR Common Stock, par value $0.01 per share Award +9,507 +6.7% $0.000000* 150,710 15 Mar 2026 By trust F1
transaction BLDR Common Stock, par value $0.01 per share Award +5,594 +3.7% $0.000000* 156,304 15 Mar 2026 By trust F2
transaction BLDR Common Stock, par value $0.01 per share Tax liability -5,057 -3.2% $88.09* 151,247 15 Mar 2026 By trust F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Reflects the acquisition of restricted stock units pursuant to the Corporation's 2014 Incentive Plan. The restricted stock units vest in 33.3% increments on each of March 15, 2027-2029 and entitle the reporting person to one share of common stock for each restricted stock unit that vests.
F2 Reflects the vesting of performance-based restricted stock units granted pursuant to the Corporation's 2014 Incentive Plan.
F3 Reflects shares withheld to pay tax withholding requirements on vesting of previously granted performance-based restricted stock units and restricted stock units.