InsiderTrades

Form 4 for BLDR Builders FirstSource

Accepted 2025-09-03 00:00:00 ET · period of report 2025-09-01 · accession 0001366433-25-000003 · 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
2025-09-03 2025-09-01 BLDR Steinke Craig Arthur Dir A - Grant $138.68 +270 98.3K +0.3% +$37.4K

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 2025-09-01 A A 270 $138.68 98,320 D — —