Sunggyu Lee

Insider Reports History

Location
Circle Pines, MN
Signature
/s/ Matthew C. Wolsfeld-Attorney-in-fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Sunggyu Lee:

Company Role Class Num Shares Value Price $ Report Date Ownership
NORTHERN TECHNOLOGIES INTERNATIONAL CORP Director Common Stock 3,319 $24,593 $7.41 01 Sep 2025 Direct
NORTHERN TECHNOLOGIES INTERNATIONAL CORP Director Stock Option (right to buy) 16,287 01 Sep 2025 Direct

Insider Reports Filed by Sunggyu Lee

Symbol Company Period Transactions Value $ Form Type Role Filing Time
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2025 1 $0 4 Director 03 Sep 2025, 16:59
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2024 1 $0 4 Director 04 Sep 2024, 19:59
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2023 1 $0 4 Director 06 Sep 2023, 17:08
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 17 Aug 2023 3 +$6.64 4 Director 21 Aug 2023, 16:07
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2022 1 $0 4 Director 14 Sep 2022, 16:53