Form4insider filings, from the source

Insider · CIK 0001434271

Koh Soo Keong

Files at: NTIC. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Aug 23, 2017 MForm 4 →Aug 24, 4:50 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000$10.25$41,00016,666— plan?
Jul 3, 2015 MForm 4 →Jul 6, 4:32 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000$9.76$39,04012,666— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Sep 1, 2018 AForm 4 →Sep 5, 4:47 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC2,773——2,773—
Sep 1, 2017 AForm 4 →Sep 5, 5:06 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000——4,000—
Aug 23, 2017 MForm 4 →Aug 24, 4:50 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000$10.25$41,0000—
Sep 1, 2016 AForm 4 →Sep 6, 4:43 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000——4,000—
Sep 1, 2015 AForm 4 →Sep 3, 5:00 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000——4,000—
Jul 3, 2015 MForm 4 →Jul 6, 4:32 pm EDTNORTHERN TECHNOLOGIES INTERNATIONAL CORPNTIC4,000$9.76$39,0400—