InsiderTrades

Form 4 for BLDR Builders FirstSource

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001193125-26-111501 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-17 2026-03-15 BLDR Vaughn Paul Pres - Central Division F - Tax $88.09 -2,622 37.4K -7% -$231.0K
M 2026-03-17 2026-03-15 BLDR Vaughn Paul Pres - Central Division A - Grant $0.00 +9,900 37.7K +36% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.01 per share 2026-03-15 F D 2,622 $88.09 37,358 D — —
2 Common Common Stock, par value $0.01 per share 2026-03-15 A A 2,237 $0.00 39,980 D — —
3 Common Common Stock, par value $0.01 per share 2026-03-15 A A 7,663 $0.00 37,743 D — —