Filer Snapshot

Nancy E. Calderon SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001791477.

Entity Type

Individual

Total Filings

41

Latest Filing

03 Sep 2025

Industry

n/a

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Source: SEC Forms 3/4/5

4 filed on 03 Sep 2025 for CIK 0001791477.

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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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Quick Takeaways

  • Nancy E. Calderon is an SEC filer tracked under CIK 0001791477.
  • 41 filings are listed on this profile.
  • Common form coverage includes 4, 144, 144/A and more.

What Changed

  • Latest filing: 4 filed on 03 Sep 2025.
  • Report period: 01 Sep 2025.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 03 Sep 2025 for CIK 0001791477.

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Return Loop

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A newly filed 4 can change the filing history, ownership context, or next research path for Nancy E. Calderon.

Latest source-backed update
4 filed 03 Sep 2025
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 03 Sep 2025.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Nancy E. Calderon

Ownership report updated

Latest ownership report period: 01 Sep 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

03 Sep 2025

Page type

Ownership filings

Latest period

01 Sep 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 03 Sep 2025.

Open ownership filings Browse recent public updates

Filer Overview

Nancy E. Calderon has filed 41 SEC EDGAR filings since 24 Oct 2019. Common forms include 4, 144, 144/A, 4/A and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Nancy E. Calderon with direct links to document and filing folders.

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

About this filer

Nancy E. Calderon files with the SEC under CIK 0001791477. This page aggregates EDGAR filings and related ownership activity.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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