Form4insider filings, from the source

Insider · CIK 0001687143

Ronald P Whelan

Files at: SND. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 19, 2026 AForm 4 →Aug 20, 8:11 pm EDTSmart Sand, Inc.SND41,929——512,256—
Jun 5, 2026 FForm 4 →Jun 9, 7:27 am EDTSmart Sand, Inc.SND2,614$5.45$14,246470,327—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.