Konstantin von Falkenhausen

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 Konstantin von Falkenhausen:

Company Role Class Num Shares Value Price $ Report Date Ownership
NORTHERN TECHNOLOGIES INTERNATIONAL CORP Director Common Stock 18,219 $135,002 $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 Konstantin von Falkenhausen

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, 17:02
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 06 May 2025 1 +$7,953 4 Director 06 May 2025, 16:37
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2024 1 $0 4 Director 04 Sep 2024, 20:27
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 31 Jul 2024 3 +$9.18 4 Director 01 Aug 2024, 17:28
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2023 1 $0 4 Director 06 Sep 2023, 17:21
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 28 Aug 2023 2 +$58,800 4 Director 28 Aug 2023, 17:48
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 14 Oct 2022 2 +$30,750 4 Director 17 Oct 2022, 16:52
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2022 1 $0 4 Director 06 Sep 2022, 17:36
NTIC NORTHERN TECHNOLOGIES INTERNATIONAL CORP 01 Sep 2021 1 $0 4 Director 02 Sep 2021, 17:04