Form4insider filings, from the source

Insider · CIK 0001213869

Richard Nigon

Files at: NTIC, CELC, TCMD, VASC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2026 AForm 4 →Sep 3, 4:26 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC7,426——54,574—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.