Form4insider filings, from the source

Insider · CIK 0001573840

Carol A O'Donnell

Files at: SOTK. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

No reported common-stock activity in this period.

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 20, 2026 AForm 4 →Aug 24, 4:15 pm EDTSONO TEK CORPSOTK5,396$5.35$28,86930,773—
Nov 15, 2018 AForm 4 →Nov 19, 7:44 pm ESTSONO TEK CORPSOTK20,000$3.00$60,00020,000—