RICHARD NIGON

Business address
C/O Northern Technologies Int'l Corp., 4201 Woodland Road, Po Box 69, Circle Pines, MN, 55014
Top holdings (ownership)
TCMD, CELC, and NTIC
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RICHARD NIGON has filed 127 SEC EDGAR filings since 11 Feb 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 15 Sep 2025 11 Sep 2025 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 03 Sep 2025 01 Sep 2025 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jul 2025 24 Jul 2025 001-11038
4 Open Document Open Filing 21 May 2025 19 May 2025 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 04 Sep 2024 01 Sep 2024 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 02 Aug 2024 01 Aug 2024 001-11038
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 12 Jun 2024 10 Jun 2024 001-38207
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 06 Jun 2024 04 Jun 2024 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2023 01 Sep 2023 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 27 Jul 2023 26 Jul 2023 001-11038
144 Open Document Open Filing 27 Jul 2023
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 May 2023 15 May 2023 001-38207
4 Open Document Open Filing FORM 4 13 Sep 2022 09 Sep 2022 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2022 01 Sep 2022 001-11038
4 Open Document Open Filing FORM 4 26 May 2022 25 May 2022 001-38207
4 Open Document Open Filing FORM 4 19 May 2022 17 May 2022 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 02 Sep 2021 01 Sep 2021 001-11038
4 Open Document Open Filing FORM 4 19 May 2021 17 May 2021 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 14 May 2021 12 May 2021 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 02 Sep 2020 01 Sep 2020 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 18 May 2020 14 May 2020 001-38207
4 Open Document Open Filing FORM 4 06 May 2020 04 May 2020 001-37799
4 Open Document Open Filing FORM 4 03 Jan 2020 31 Dec 2019 001-37799
4 Open Document Open Filing FORM 4 02 Oct 2019 30 Sep 2019 001-37799
4 Open Document Open Filing FORM 4 11 Sep 2019 09 Sep 2019 001-37799
4 Open Document Open Filing FORM 4 06 Sep 2019 04 Sep 2019 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 04 Sep 2019 01 Sep 2019 001-11038
4 Open Document Open Filing FORM 4 02 Jul 2019 28 Jun 2019 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 20 May 2019 16 May 2019 001-38207
4 Open Document Open Filing FORM 4 17 May 2019 15 May 2019 001-37799
4 Open Document Open Filing FORM 4 13 May 2019 09 May 2019 001-37799
4 Open Document Open Filing FORM 4 02 Apr 2019 29 Mar 2019 001-37799
4 Open Document Open Filing FORM 4 03 Jan 2019 31 Dec 2018 001-37799
4 Open Document Open Filing FORM 4 02 Oct 2018 28 Sep 2018 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 13 Sep 2018 11 Sep 2018 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 05 Sep 2018 01 Sep 2018 001-11038
4 Open Document Open Filing FORM 4 02 Jul 2018 29 Jun 2018 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 04 Jun 2018 31 May 2018 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 16 May 2018 14 May 2018 001-38207
4 Open Document Open Filing NIGON FORM 4 14 May 2018 10 May 2018 001-37799
4 Open Document Open Filing FORM 4 03 Apr 2018 30 Mar 2018 001-37799
4 Open Document Open Filing FORM 4 03 Jan 2018 29 Dec 2017 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 29 Nov 2017 28 Nov 2017 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 22 Nov 2017 20 Nov 2017 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 23 Oct 2017 19 Oct 2017 001-38207
4 Open Document Open Filing FORM 4 03 Oct 2017 29 Sep 2017 001-37799
3 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2017 19 Sep 2017 001-38207
4 Open Document Open Filing PRIMARY DOCUMENT 08 Sep 2017 07 Sep 2017 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 05 Sep 2017 01 Sep 2017 001-11038
4 Open Document Open Filing FORM 4 05 Jul 2017 30 Jun 2017 001-37799
4 Open Document Open Filing FORM 4 11 May 2017 09 May 2017 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 01 May 2017 27 Apr 2017 001-11038
4 Open Document Open Filing FORM 4 04 Apr 2017 31 Mar 2017 001-37799
4 Open Document Open Filing FORM 4 15 Mar 2017 13 Mar 2017 001-37799
4 Open Document Open Filing FORM 4 22 Feb 2017 17 Feb 2017 000-27605
4 Open Document Open Filing FORM 4 25 Jan 2017 23 Jan 2017 000-27605
4 Open Document Open Filing FORM 4 04 Jan 2017 30 Dec 2016 001-37799
4 Open Document Open Filing FORM 4 15 Dec 2016 13 Dec 2016 000-27605
4 Open Document Open Filing FORM 4 15 Dec 2016 13 Dec 2016 001-37799
4 Open Document Open Filing FORM 4 03 Oct 2016 30 Sep 2016 001-37799
4 Open Document Open Filing FORM 4 15 Sep 2016 13 Sep 2016 001-37799
4 Open Document Open Filing PRIMARY DOCUMENT 06 Sep 2016 01 Sep 2016 001-11038
4 Open Document Open Filing FORM 4 04 Aug 2016 02 Aug 2016 001-37799
4 Open Document Open Filing FORM 4 29 Jul 2016 27 Jul 2016 001-37799
3 Open Document Open Filing FORM 3 27 Jul 2016 27 Jul 2016 001-37799
4 Open Document Open Filing FORM 4 03 May 2016 29 Apr 2016 000-27605
4 Open Document Open Filing FORM 4 12 Feb 2016 10 Feb 2016 000-27605
4 Open Document Open Filing FORM 4 06 Nov 2015 04 Nov 2015 000-27605
4 Open Document Open Filing PRIMARY DOCUMENT 03 Sep 2015 01 Sep 2015 001-11038
4 Open Document Open Filing PRIMARY DOCUMENT 18 Aug 2015 17 Aug 2015 001-11038
4 Open Document Open Filing FORM 4 29 May 2015 28 May 2015 000-27605
4 Open Document Open Filing FORM 4 04 May 2015 30 Apr 2015 000-27605
4 Open Document Open Filing FORM 4 06 Apr 2015 02 Apr 2015 000-27605
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jan 2015 15 Jan 2015 001-11038
4 Open Document Open Filing FORM 4 01 Dec 2014 26 Nov 2014 000-27605
4 Open Document Open Filing PRIMARY DOCUMENT 02 Sep 2014 01 Sep 2014 001-11038
4 Open Document Open Filing FORM 4 06 May 2014 03 May 2014 000-27605
4 Open Document Open Filing FORM 4 02 May 2014 30 Apr 2014 000-27605
4 Open Document Open Filing FORM 4 27 Feb 2014 25 Feb 2014 000-27605
4 Open Document Open Filing FORM 4 24 Feb 2014 20 Feb 2014 000-27605