InsiderTrades

Form 4 for BLDR Builders FirstSource

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001193125-26-111426 · 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 Cope Jonathan P Pres - Commercial A - Grant $0.00 +5,676 13.8K +70% $0
2026-03-17 2026-03-15 BLDR Cope Jonathan P Pres - Commercial F - Tax $88.09 -739 8,094 -8% -$65.1K

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 A A 5,676 $0.00 13,770 D — —
2 Common Common Stock, par value $0.01 per share 2026-03-15 F D 739 $88.09 8,094 D — —