Form4insider filings, from the source

Insider · CIK 0001782815

Frank Stokes

Files at: CSTL, XGN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $742k · 1net −$742k
$10k$10k$100k$100k$1M$1MbuyssalesMar 27Apr 26May 27Jun 27Jul 28Aug 28Sep 27

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 14, 2026 SForm 4 →Aug 18, 4:10 pm EDTCASTLE BIOSCIENCES INCCSTL24,908$29.77$741,51135,177−41.5%

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 9, 2026 AForm 4 →Jun 22, 1:00 pm EDTEXAGEN INC.XGN37,500——112,500— late