InsiderTrades

Form 4 for BLDR Builders FirstSource

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001193125-26-111422 · 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
I 2026-03-17 2026-03-15 BLDR Beckmann Pete EVP, CFO F - Tax $88.09 -1,873 43.3K -4% -$165.0K
MI 2026-03-17 2026-03-15 BLDR Beckmann Pete EVP, CFO A - Grant $0.00 +5,643 42.9K +15% $0
2026-03-17 2026-03-15 BLDR Beckmann Pete EVP, CFO F - Tax $88.09 -1,966 38.3K -5% -$173.2K
M 2026-03-17 2026-03-15 BLDR Beckmann Pete EVP, CFO A - Grant $0.00 +12.8K 38.8K +49% $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 1,873 $88.09 43,259 I — —
2 Common Common Stock, par value $0.01 per share 2026-03-15 A A 2,237 $0.00 45,132 I — —
3 Common Common Stock, par value $0.01 per share 2026-03-15 F D 1,966 $88.09 38,266 D By spouse — —
4 Common Common Stock, par value $0.01 per share 2026-03-15 A A 1,398 $0.00 40,232 D By spouse — —
5 Common Common Stock, par value $0.01 per share 2026-03-15 A A 11,352 $0.00 38,834 D By spouse — —
6 Common Common Stock, par value $0.01 per share 2026-03-15 A A 3,406 $0.00 42,895 I — —