Form4insider filings, from the source

Insider · CIK 0001238303

Joseph J Larosa

Files at: REGN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 19, 2026 FMForm 4 →Aug 21, 4:01 pm EDTREGENERON PHARMACEUTICALS, INC.REGN21,301$571.70$12,177,86436,373—

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 19, 2026 MForm 4 →Aug 21, 4:01 pm EDTREGENERON PHARMACEUTICALS, INC.REGN12,282——12,283—