Electro Sensors Inc

Symbol
ELSE on Nasdaq
Entity
Company
Industry
Industrial Instruments For Measurement, Display, And Control (Industrial Applications And Services)
Business address
6111 Blue Circle Dr, 55343-9108 Minnetonka, MN
Phone
9529300100
State of incorporation
MN
Fiscal year end
December 31
Category
Non-accelerated filer
Smaller reporting company
All SEC filings
View on sec.gov
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Electro Sensors Inc has filed 404 SEC EDGAR filings since 8/11/1995

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
10-Q Open Document | Data Open Filing 10-Q Nov 13, 2025 Sep 30, 2025 000-09587
10-Q/A Open Document | Data Open Filing 10-Q/A Sep 12, 2025 Jun 30, 2025 000-09587
10-Q Open Document | Data Open Filing 10-Q Aug 12, 2025 Jun 30, 2025 000-09587
SD Open Document Open Filing FORM SD May 30, 2025 000-09587
10-Q Open Document | Data Open Filing 10-Q May 12, 2025 Mar 31, 2025 000-09587
8-K Open Document | Data Open Filing 8-K Apr 29, 2025 Apr 23, 2025 000-09587
DEF 14A Open Document | Data Open Filing DEF 14A Mar 19, 2025 Apr 23, 2025 000-09587
10-K Open Document | Data Open Filing 10-K Mar 19, 2025 Dec 31, 2024 000-09587
SCHEDULE 13G/A Open Document Open Filing Feb 11, 2025 005-33286
10-Q Open Document | Data Open Filing 10-Q Nov 13, 2024 Sep 30, 2024 000-09587
10-Q Open Document | Data Open Filing 10-Q Aug 9, 2024 Jun 30, 2024 000-09587
SD Open Document Open Filing SD May 31, 2024 000-09587
10-Q Open Document | Data Open Filing 10-Q May 10, 2024 Mar 31, 2024 000-09587
8-K Open Document | Data Open Filing FORM 8K DATED APRIL 24, 2024 Apr 29, 2024 Apr 24, 2024 000-09587
4 Open Document Open Filing FORM 4 Apr 26, 2024 Apr 24, 2024
DEFA14A Open Document Open Filing DEFA14A Apr 10, 2024 000-09587
DEF 14A Open Document | Data Open Filing DEF 14A Mar 20, 2024 Apr 24, 2024 000-09587
10-K Open Document | Data Open Filing 10-K Mar 20, 2024 Dec 31, 2023 000-09587
SC 13D/A Open Document Open Filing SCHEDULE 13D/A Feb 21, 2024 005-33286
SC 13D Open Document Open Filing SCHEDULE 13D Feb 14, 2024 005-33286
SC 13D Open Document Open Filing SCHEDULE 13D Feb 14, 2024 005-33286
SC 13D Open Document Open Filing SCHEDULE 13D Feb 14, 2024 005-33286
SC 13D Open Document Open Filing SCHEDULE 13D Feb 14, 2024 005-33286
SC 13D Open Document Open Filing SCHEDULE 13D Feb 14, 2024 005-33286
SC 13G/A Open Document Open Filing SCHEDULE 13G/A Feb 5, 2024 005-33286
10-Q Open Document | Data Open Filing 10-Q Nov 14, 2023 Sep 30, 2023 000-09587
4 Open Document Open Filing PRIMARY DOCUMENT Sep 22, 2023 Aug 28, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Sep 22, 2023 Aug 28, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Sep 22, 2023 Aug 28, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Sep 22, 2023 Sep 1, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Sep 22, 2023 Aug 28, 2023
10-Q Open Document | Data Open Filing 10-Q Aug 10, 2023 Jun 30, 2023 000-09587
SD Open Document Open Filing FORM SD May 31, 2023 000-09587
10-Q Open Document | Data Open Filing 10-Q May 11, 2023 Mar 31, 2023 000-09587
8-K Open Document | Data Open Filing FORM 8K DATED APRIL 27, 2023 May 2, 2023 Apr 27, 2023 000-09587
DEF 14A Open Document | Data Open Filing DEFINATIVE PROXY STATEMENT Mar 17, 2023 000-09587
10-K Open Document | Data Open Filing 10-K Mar 17, 2023 Dec 31, 2022 000-09587
SC 13G Open Document Open Filing SCHEDULE 13G Feb 10, 2023 005-33286
8-K Open Document | Data Open Filing FORM 8K DATED JANUARY 30, 2023 Jan 31, 2023 Jan 30, 2023 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2022 Nov 14, 2022 Sep 30, 2022 000-09587
SC 13D/A Open Document Open Filing AMENDMENT NO. 1 TO THE SCHEDULE 13D Oct 7, 2022 005-33286
425 Open Document Open Filing 425 Sep 26, 2022 000-09587
8-K Open Document | Data Open Filing 8-K DATED SEPTEMBER 20, 2022 Sep 26, 2022 Sep 20, 2022 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2022 Aug 2, 2022 Jun 30, 2022 000-09587
4 Open Document Open Filing PRIMARY DOCUMENT Jul 21, 2022 Jul 15, 2022
4 Open Document Open Filing PRIMARY DOCUMENT Jul 18, 2022 Jul 15, 2022
4 Open Document Open Filing PRIMARY DOCUMENT Jul 18, 2022 Jul 15, 2022
425 Open Document Open Filing 425 Jun 15, 2022 000-09587
8-K Open Document | Data Open Filing 8-K DATED JUNE 10, 2022 Jun 14, 2022 Jun 10, 2022 000-09587
425 Open Document Open Filing 425 Jun 13, 2022 000-09587
SD Open Document Open Filing SPECIALIZED DISCLOSURE REPORT May 31, 2022 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2022 May 13, 2022 Mar 31, 2022 000-09587
8-K Open Document | Data Open Filing 8-K DATED APRIL 20, 2022 Apr 25, 2022 Apr 20, 2022 000-09587
DEF 14A Open Document Open Filing DEF 14A Mar 31, 2022 Apr 20, 2022 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2021 Mar 31, 2022 Dec 31, 2021 000-09587
SC 13G/A Open Document Open Filing Feb 10, 2022 005-33286
SC 13D Open Document Open Filing SCHEDULE 13D Jan 14, 2022 005-33286
3 Open Document Open Filing FORM 3 Jan 3, 2022 Dec 30, 2021
4 Open Document Open Filing FORM 4 Dec 30, 2021 Dec 30, 2021
4 Open Document Open Filing FORM 4 Dec 30, 2021 Dec 30, 2021
4 Open Document Open Filing FORM 4 Dec 30, 2021 Jun 14, 2018
3 Open Document Open Filing FORM 3 Dec 30, 2021 Apr 6, 2017
3/A Open Document Open Filing FORM 3/A Dec 30, 2021 Dec 30, 2021
3 Open Document Open Filing FORM 3 Dec 30, 2021 Dec 30, 2021
3 Open Document Open Filing FORM 3 Dec 30, 2021 Dec 30, 2021
10-Q Open Document | Data Open Filing 10-Q Nov 5, 2021 Sep 30, 2021 000-09587
10-Q Open Document | Data Open Filing 10-Q Aug 12, 2021 Jun 30, 2021 000-09587
SD Open Document Open Filing FORM SD Jun 1, 2021 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2021 May 13, 2021 Mar 31, 2021 000-09587
8-K Open Document | Data Open Filing 8-K DATED APRIL 21, 2021 Apr 27, 2021 Apr 21, 2021 000-09587
DEF 14A Open Document Open Filing DEF 14A Mar 25, 2021 Apr 21, 2021 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2020 Mar 25, 2021 Dec 31, 2020 000-09587
SC 13G Open Document Open Filing Feb 10, 2021 005-33286
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2020 Nov 12, 2020 Sep 30, 2020 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2020 Aug 13, 2020 Jun 30, 2020 000-09587
8-K Open Document Open Filing FORM 8K DATED JULY 22, 2020 Jul 27, 2020 Jul 22, 2020 000-09587
8-K Open Document Open Filing FORM 8-K DATED JUNE 4, 2020 Jun 9, 2020 Jun 4, 2020 000-09587
SD Open Document Open Filing FORM SD Jun 1, 2020 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2020 May 11, 2020 Mar 31, 2020 000-09587
DEF 14A Open Document Open Filing FORM DEF 14A Apr 28, 2020 Jul 22, 2020 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019 Mar 25, 2020 Dec 31, 2019 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2019 Nov 12, 2019 Sep 30, 2019 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2019 Aug 12, 2019 Jun 30, 2019 000-09587
SD Open Document Open Filing FORM SD May 31, 2019 000-09587
8-K/A Open Document Open Filing FORM 8K/A DATED MAY 24, 2019 May 24, 2019 Apr 24, 2019 000-09587
4 Open Document Open Filing PRIMARY DOCUMENT May 16, 2019 May 15, 2019
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2019 May 13, 2019 Mar 31, 2019 000-09587
8-K Open Document Open Filing FORM 8K DATED APRIL 24, 2019 Apr 30, 2019 Apr 24, 2019 000-09587
DEF 14A Open Document Open Filing FORM DEF 14A Mar 20, 2019 Apr 24, 2019 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2018 Mar 20, 2019 Dec 31, 2018 000-09587
SC 13D Open Document Open Filing SCHEDULE 13D Nov 20, 2018 005-33286
4 Open Document Open Filing PRIMARY DOCUMENT Nov 20, 2018 Apr 6, 2017
4 Open Document Open Filing PRIMARY DOCUMENT Nov 20, 2018 Jun 14, 2018
3 Open Document Open Filing PRIMARY DOCUMENT Nov 20, 2018 Apr 6, 2017
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2018 Nov 13, 2018 Sep 30, 2018 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2018 Aug 14, 2018 Jun 30, 2018 000-09587
SD Open Document Open Filing FORM SD May 30, 2018 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2018 May 10, 2018 Mar 31, 2018 000-09587
8-K Open Document Open Filing ELECTRO-SENSORS 8K Apr 30, 2018 Apr 25, 2018 000-09587
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Mar 21, 2018 Apr 25, 2018 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2017 Mar 20, 2018 Dec 31, 2017 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2017 Nov 13, 2017 Sep 30, 2017 000-09587
SC 13G/A Open Document Open Filing AMENDMENT NO. 1 Sep 11, 2017 005-33286
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2017 Aug 10, 2017 Jun 30, 2017 000-09587
SD Open Document Open Filing FORM SD May 31, 2017 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2017 May 11, 2017 Mar 31, 2017 000-09587
8-K Open Document Open Filing FORM 8-K DATED APRIL 26, 2017 May 2, 2017 Apr 26, 2017 000-09587
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Mar 29, 2017 Apr 26, 2017 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2016 Mar 29, 2017 Dec 31, 2016 000-09587
8-K Open Document Open Filing FORM 8-K DATED MARCH 18, 2017 Mar 23, 2017 Mar 18, 2017 000-09587
SC 13G Open Document Open Filing Feb 23, 2017 005-33286
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2016 Nov 10, 2016 Sep 30, 2016 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2016 Aug 12, 2016 Jun 30, 2016 000-09587
SD Open Document Open Filing FORM SD May 27, 2016 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2016 May 12, 2016 Mar 31, 2016 000-09587
S-8 Open Document Open Filing FORM S-8 Apr 27, 2016 333-210944
8-K Open Document Open Filing FORM 8-K DATED APRIL 20, 2016 Apr 25, 2016 Apr 20, 2016 000-09587
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Mar 14, 2016 Apr 20, 2016 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 2015 Mar 14, 2016 Dec 31, 2015 000-09587
4 Open Document Open Filing PRIMARY DOCUMENT Feb 10, 2016 Feb 9, 2016
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2015 Nov 10, 2015 Sep 30, 2015 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2015 Aug 11, 2015 Jun 30, 2015 000-09587
SD Open Document Open Filing FORM SD May 29, 2015 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2015 May 14, 2015 Mar 31, 2015 000-09587
8-K Open Document Open Filing FORM 8-K DATED APRIL 22, 2015 Apr 27, 2015 Apr 22, 2015 000-09587
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Mar 18, 2015 Apr 22, 2015 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2014 Mar 18, 2015 Dec 31, 2014 000-09587
3 Open Document Open Filing PRIMARY DOCUMENT Nov 20, 2014 Nov 10, 2014
4 Open Document Open Filing PRIMARY DOCUMENT Nov 17, 2014 Nov 13, 2014
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2014 Nov 12, 2014 Sep 30, 2014 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2014 Aug 13, 2014 Jun 30, 2014 000-09587
CT ORDER Open Document Open Filing Jul 14, 2014 000-09587
SD Open Document Open Filing FORM SD May 30, 2014 000-09587
10-Q Open Document | Data Open Filing FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2014 May 13, 2014 Mar 31, 2014 000-09587
4 Open Document Open Filing PRIMARY DOCUMENT Apr 25, 2014 Apr 24, 2014
8-K Open Document Open Filing FORM 8-K DATED APRIL 23, 2014 Apr 25, 2014 Apr 23, 2014 000-09587
DEF 14A Open Document Open Filing DEFINITIVE PROXY STATEMENT Mar 21, 2014 Apr 23, 2014 000-09587
10-K Open Document | Data Open Filing FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2013 Mar 21, 2014 Dec 31, 2013 000-09587
8-K Open Document Open Filing FORM 8-K DATED FEBRUARY 14, 2014 Feb 19, 2014 Feb 14, 2014 000-09587