Sunggyu Lee

Companies

• NORTHERN TECHNOLOGIES INTERNATIONAL CORPBoard member Sep 1, 2006 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• NTNORTHERN TECHNOLOGIES INTERNATIONAL CORP NTIC9,507 shares²$73.3K at $7.71Sep 1, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 1, 2026Granted 6,188 shares of NORTHERN TECHNOLOGIES INTERNATIONAL CORP²
• Aug 17, 2023Shares withheld for tax 4,681 shares at $12.56 of NORTHERN TECHNOLOGIES INTERNATIONAL CORP³
• Aug 17, 2023Exercised options 8,000 shares at $7.35 of NORTHERN TECHNOLOGIES INTERNATIONAL CORP³