| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Herron Stephen J | Chief Operating Officer | C/O BUILDERS FIRSTSOURCE, INC., 6031 CONNECTION DR., STE. 400, IRVING | /s/ Minator Azemi, by power of attorney | 17 Mar 2026 | 0001838147 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BLDR | Common Stock, par value $0.01 per share | Award | +15,325 | +16% | $0.000000* | 110,278 | 15 Mar 2026 | Direct | F1 | |
| transaction | BLDR | Common Stock, par value $0.01 per share | Award | +6,650 | +6% | $0.000000* | 116,928 | 15 Mar 2026 | Direct | F2 | |
| transaction | BLDR | Common Stock, par value $0.01 per share | Tax liability | -5,818 | -5% | $88.09* | 111,110 | 15 Mar 2026 | Direct | F3 |
| 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. |