Nancy E. Calderon

Business address
C/O Northern Technologies Int'l Corp., 4201 Woodland Road, Po Box 69, Circle Pines, MN, 55014
Top holdings (ownership)
BDC and NTIC
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Nancy E. Calderon has filed 41 SEC EDGAR filings since 24 Oct 2019

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT 03 Sep 2025 01 Sep 2025 001-11038
4 Open Document Open Filing 4 27 May 2025 22 May 2025 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 28 Apr 2025 25 Apr 2025 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 04 Sep 2024 01 Sep 2024 001-11038
4 Open Document Open Filing 4 06 Aug 2024 05 Aug 2024 001-12561
144 Open Document Open Filing 05 Aug 2024
4 Open Document Open Filing FORM 4 SUBMISSION 28 May 2024 23 May 2024 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2023 14 Aug 2023 001-11038
4 Open Document Open Filing FORM 4 SUBMISSION 30 May 2023 25 May 2023 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 04 Apr 2023 31 Mar 2023 001-38213
4 Open Document Open Filing FORM 4 SUBMISSION 07 Mar 2023 07 Mar 2023 001-12561
144/A Open Document Open Filing 07 Mar 2023
144 Open Document Open Filing 07 Mar 2023
4 Open Document Open Filing PRIMARY DOCUMENT 31 Jan 2023 30 Jan 2023 001-11038
4/A Open Document Open Filing PRIMARY DOCUMENT 31 Jan 2023 25 Jan 2023 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 26 Jan 2023 25 Jan 2023 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 05 Oct 2022 30 Sep 2022 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jul 2022 30 Jun 2022 001-38213
4 Open Document Open Filing FORM 4 SUBMISSION 27 May 2022 25 May 2022 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 01 Apr 2022 31 Mar 2022 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2021 30 Sep 2021 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 02 Sep 2021 01 Sep 2021 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2021 30 Jun 2021 001-38213
4 Open Document Open Filing FORM 4 SUBMISSION 28 May 2021 26 May 2021 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 20 Apr 2021 31 Mar 2021 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 25 Jan 2021 25 Jan 2021 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2021 04 Jan 2021 001-38213
4/A Open Document Open Filing PRIMARY DOCUMENT 15 Oct 2020 30 Jun 2020 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 14 Oct 2020 30 Sep 2020 001-38213
4 Open Document Open Filing PRIMARY DOCUMENT 02 Sep 2020 01 Sep 2020 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jul 2020 23 Jul 2020 001-11038
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jul 2020 01 Jul 2020 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2020 30 Jun 2020 001-38213
3 Open Document Open Filing PRIMARY DOCUMENT 02 Jul 2020 20 Jun 2020 001-38213
4/A Open Document Open Filing FORM 4/A SUBMISSION 26 May 2020 21 May 2020 001-12561
4 Open Document Open Filing FORM 4 SUBMISSION 26 May 2020 21 May 2020 001-12561
3 Open Document Open Filing FORM 3 SUBMISSION 26 May 2020 21 May 2020 001-12561
4 Open Document Open Filing PRIMARY DOCUMENT 24 Oct 2019 22 Oct 2019 001-11038
3 Open Document Open Filing PRIMARY DOCUMENT 24 Oct 2019 22 Oct 2019 001-11038