Form4insider filings, from the source

Insider · CIK 0001687132

Charles Edwin Young

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, 8:12 pm EDTSmart Sand, Inc.SND110,063——1,625,096—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.