Form4insider filings, from the source

Insider · CIK 0001838147

Stephen J Herron

Files at: BLDR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 5, 2026 GForm 4 →Jun 10, 5:45 pm EDTBuilders FirstSource, Inc.BLDR850——110,260— late

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.