Form4insider filings, from the source

Insider · CIK 0001687130

William John 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.SND62,893——680,680—
Jun 5, 2026 FForm 4 →Jun 9, 7:28 am EDTSmart Sand, Inc.SND3,885$5.45$21,173617,787—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.