Form4insider filings, from the source

Insider · CIK 0001832610

Maria Renz

Files at: BLDR. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 10, 2026 AForm 4 →Sep 14, 4:05 pm EDTBuilders FirstSource, Inc.BLDR489——6,870—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.