Filer Snapshot

ELECTRO SENSORS INC SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0000351789.

Entity Type

Company

Total Filings

409

Latest Filing

27 Apr 2026

Industry

Industrial Instruments For Measurement, Display, And Control

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Source: SEC Schedule 13D/G

SCHEDULE 13D filed on 27 Apr 2026 for CIK 0000351789.

View Source Filing
Symbol
ELSE on Nasdaq
Industry
Industrial Instruments For Measurement, Display, And Control (Industrial Applications And Services)
Business address
6111 Blue Circle Dr, Minnetonka, MN, 55343-9108
State of incorporation
MN
Fiscal year end
31 December

Quick Takeaways

  • ELECTRO SENSORS INC is an SEC filer tracked under CIK 0000351789.
  • 409 filings are listed on this profile.
  • Common form coverage includes SCHEDULE 13D, 8-K/A, 8-K and more.

What Changed

  • Latest filing: SCHEDULE 13D filed on 27 Apr 2026.
  • Report period: not specified in filing header.

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 Schedule 13D/G

SCHEDULE 13D filed on 27 Apr 2026 for CIK 0000351789.

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Return Loop

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A newly filed SCHEDULE 13D can change the filing history, ownership context, or next research path for ELECTRO SENSORS INC.

Latest source-backed update
SCHEDULE 13D filed 27 Apr 2026
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  • Latest filing on record: SCHEDULE 13D filed 27 Apr 2026.
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Latest update

What changed recently for ELECTRO SENSORS INC

New fact period available

Latest financial period: Q4 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

30 Mar 2026

Page type

Company facts

Latest period

Q4 2025

SEC-backed company facts were refreshed from filings filed on 30 Mar 2026.

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Benchmark Context

Benchmark context for this company

ELECTRO SENSORS INC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

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Why this is notable

Latest financial period: Q4 2025. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 30 Mar 2026.
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Company intelligence

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Active modules

3/5

Available company intelligence paths on this page.

Filings

409

SEC submissions provide the evidence trail.

Ownership context

1/3

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Forms 3/4/5

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Schedule 13D/G

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new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

ELECTRO SENSORS INC has filed 409 SEC EDGAR filings since 11 Aug 1995. Common forms include SCHEDULE 13D, 8-K/A, 8-K, 10-K and more.

Industrial Instruments For Measurement, Display, And Control Insider transactions Latest 13F filings

Latest Filings

Recent SEC filings for ELECTRO SENSORS INC with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 27 Apr 2026 005-33286
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A FORM 8K/A 27 Apr 2026 20 Apr 2026 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Apr 2026 20 Apr 2026 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 30 Mar 2026 31 Dec 2025 000-09587
4 Open 4 document View SEC filing for 4 18 Feb 2026 01 Sep 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Nov 2025 30 Sep 2025 000-09587
10-Q/A Open 10-Q/A document | Open XBRL data View SEC filing for 10-Q/A 10-Q/A 12 Sep 2025 30 Jun 2025 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2025 30 Jun 2025 000-09587
SD Open SD document View SEC filing for SD FORM SD 30 May 2025 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2025 31 Mar 2025 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Apr 2025 23 Apr 2025 000-09587
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 19 Mar 2025 23 Apr 2025 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 19 Mar 2025 31 Dec 2024 000-09587
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 11 Feb 2025 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 13 Nov 2024 30 Sep 2024 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2024 30 Jun 2024 000-09587
SD Open SD document View SEC filing for SD SD 31 May 2024 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2024 31 Mar 2024 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8K DATED APRIL 24, 2024 29 Apr 2024 24 Apr 2024 000-09587
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2024 24 Apr 2024
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 10 Apr 2024 000-09587
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 20 Mar 2024 24 Apr 2024 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 20 Mar 2024 31 Dec 2023 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 21 Feb 2024 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2024 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2024 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2024 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2024 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Feb 2024 005-33286
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G/A 05 Feb 2024 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2023 30 Sep 2023 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Sep 2023 28 Aug 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Sep 2023 28 Aug 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Sep 2023 28 Aug 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Sep 2023 01 Sep 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Sep 2023 28 Aug 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Aug 2023 30 Jun 2023 000-09587
SD Open SD document View SEC filing for SD FORM SD 31 May 2023 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 May 2023 31 Mar 2023 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8K DATED APRIL 27, 2023 02 May 2023 27 Apr 2023 000-09587
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEFINATIVE PROXY STATEMENT 17 Mar 2023 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 17 Mar 2023 31 Dec 2022 000-09587
SC 13G Open SC 13G document View SEC filing for SC 13G SCHEDULE 13G 10 Feb 2023 005-33286
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8K DATED JANUARY 30, 2023 31 Jan 2023 30 Jan 2023 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2022 14 Nov 2022 30 Sep 2022 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 1 TO THE SCHEDULE 13D 07 Oct 2022 005-33286
425 Open 425 document View SEC filing for 425 425 26 Sep 2022 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K DATED SEPTEMBER 20, 2022 26 Sep 2022 20 Sep 2022 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2022 02 Aug 2022 30 Jun 2022 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Jul 2022 15 Jul 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jul 2022 15 Jul 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jul 2022 15 Jul 2022
425 Open 425 document View SEC filing for 425 425 15 Jun 2022 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K DATED JUNE 10, 2022 14 Jun 2022 10 Jun 2022 000-09587
425 Open 425 document View SEC filing for 425 425 13 Jun 2022 000-09587
SD Open SD document View SEC filing for SD SPECIALIZED DISCLOSURE REPORT 31 May 2022 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2022 13 May 2022 31 Mar 2022 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K DATED APRIL 20, 2022 25 Apr 2022 20 Apr 2022 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 31 Mar 2022 20 Apr 2022 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2021 31 Mar 2022 31 Dec 2021 000-09587
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 10 Feb 2022 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 14 Jan 2022 005-33286
3 Open 3 document View SEC filing for 3 FORM 3 03 Jan 2022 30 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 30 Dec 2021 30 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 30 Dec 2021 30 Dec 2021
4 Open 4 document View SEC filing for 4 FORM 4 30 Dec 2021 14 Jun 2018
3 Open 3 document View SEC filing for 3 FORM 3 30 Dec 2021 06 Apr 2017
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 30 Dec 2021 30 Dec 2021
3 Open 3 document View SEC filing for 3 FORM 3 30 Dec 2021 30 Dec 2021
3 Open 3 document View SEC filing for 3 FORM 3 30 Dec 2021 30 Dec 2021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 05 Nov 2021 30 Sep 2021 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 Aug 2021 30 Jun 2021 000-09587
SD Open SD document View SEC filing for SD FORM SD 01 Jun 2021 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2021 13 May 2021 31 Mar 2021 000-09587
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K DATED APRIL 21, 2021 27 Apr 2021 21 Apr 2021 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 25 Mar 2021 21 Apr 2021 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2020 25 Mar 2021 31 Dec 2020 000-09587
SC 13G Open SC 13G document View SEC filing for SC 13G 10 Feb 2021 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2020 12 Nov 2020 30 Sep 2020 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2020 13 Aug 2020 30 Jun 2020 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8K DATED JULY 22, 2020 27 Jul 2020 22 Jul 2020 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED JUNE 4, 2020 09 Jun 2020 04 Jun 2020 000-09587
SD Open SD document View SEC filing for SD FORM SD 01 Jun 2020 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2020 11 May 2020 31 Mar 2020 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A FORM DEF 14A 28 Apr 2020 22 Jul 2020 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019 25 Mar 2020 31 Dec 2019 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2019 12 Nov 2019 30 Sep 2019 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2019 12 Aug 2019 30 Jun 2019 000-09587
SD Open SD document View SEC filing for SD FORM SD 31 May 2019 000-09587
8-K/A Open 8-K/A document View SEC filing for 8-K/A FORM 8K/A DATED MAY 24, 2019 24 May 2019 24 Apr 2019 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 May 2019 15 May 2019
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2019 13 May 2019 31 Mar 2019 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8K DATED APRIL 24, 2019 30 Apr 2019 24 Apr 2019 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A FORM DEF 14A 20 Mar 2019 24 Apr 2019 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2018 20 Mar 2019 31 Dec 2018 000-09587
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 20 Nov 2018 005-33286
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2018 06 Apr 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2018 14 Jun 2018
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 20 Nov 2018 06 Apr 2017
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2018 13 Nov 2018 30 Sep 2018 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2018 14 Aug 2018 30 Jun 2018 000-09587
SD Open SD document View SEC filing for SD FORM SD 30 May 2018 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2018 10 May 2018 31 Mar 2018 000-09587
8-K Open 8-K document View SEC filing for 8-K ELECTRO-SENSORS 8K 30 Apr 2018 25 Apr 2018 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 21 Mar 2018 25 Apr 2018 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2017 20 Mar 2018 31 Dec 2017 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2017 13 Nov 2017 30 Sep 2017 000-09587
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO. 1 11 Sep 2017 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2017 10 Aug 2017 30 Jun 2017 000-09587
SD Open SD document View SEC filing for SD FORM SD 31 May 2017 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2017 11 May 2017 31 Mar 2017 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 26, 2017 02 May 2017 26 Apr 2017 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 29 Mar 2017 26 Apr 2017 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2016 29 Mar 2017 31 Dec 2016 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED MARCH 18, 2017 23 Mar 2017 18 Mar 2017 000-09587
SC 13G Open SC 13G document View SEC filing for SC 13G 23 Feb 2017 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2016 10 Nov 2016 30 Sep 2016 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2016 12 Aug 2016 30 Jun 2016 000-09587
SD Open SD document View SEC filing for SD FORM SD 27 May 2016 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2016 12 May 2016 31 Mar 2016 000-09587
S-8 Open S-8 document View SEC filing for S-8 FORM S-8 27 Apr 2016 333-210944
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 20, 2016 25 Apr 2016 20 Apr 2016 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 14 Mar 2016 20 Apr 2016 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR FISCAL YEAR ENDED DECEMBER 31, 2015 14 Mar 2016 31 Dec 2015 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Feb 2016 09 Feb 2016
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2015 10 Nov 2015 30 Sep 2015 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2015 11 Aug 2015 30 Jun 2015 000-09587
SD Open SD document View SEC filing for SD FORM SD 29 May 2015 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2015 14 May 2015 31 Mar 2015 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 22, 2015 27 Apr 2015 22 Apr 2015 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 18 Mar 2015 22 Apr 2015 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2014 18 Mar 2015 31 Dec 2014 000-09587
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 20 Nov 2014 10 Nov 2014
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Nov 2014 13 Nov 2014
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2014 12 Nov 2014 30 Sep 2014 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2014 13 Aug 2014 30 Jun 2014 000-09587
CT ORDER Open CT ORDER document View SEC filing for CT ORDER 14 Jul 2014 000-09587
SD Open SD document View SEC filing for SD FORM SD 30 May 2014 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2014 13 May 2014 31 Mar 2014 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Apr 2014 24 Apr 2014
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 23, 2014 25 Apr 2014 23 Apr 2014 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 21 Mar 2014 23 Apr 2014 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2013 21 Mar 2014 31 Dec 2013 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED FEBRUARY 14, 2014 19 Feb 2014 14 Feb 2014 000-09587
4 Open 4 document View SEC filing for 4 FORM 4 21 Nov 2013 19 Nov 2013
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED NOVEMBER 19, 2013 21 Nov 2013 19 Nov 2013 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO.1 TO SCHEDULE 13D 21 Nov 2013 005-33286
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 21 Nov 2013 19 Nov 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT TO SCHEDULE 13D 21 Nov 2013 005-33286
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2013 19 Nov 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A ELECTRO-SENSORS, INC. SCHEDULE 13D 11-19-13 20 Nov 2013 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2013 12 Nov 2013 30 Sep 2013 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FORM SC 13D/A 31 Oct 2013 005-33286
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Sep 2013 25 Sep 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT TO SCHEDULE 13D 23 Sep 2013 005-33286
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED SEPTEMBER 12, 2013 12 Sep 2013 12 Sep 2013 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Aug 2013 28 Aug 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Aug 2013 28 Aug 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Aug 2013 28 Aug 2013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2013 09 Aug 2013 30 Jun 2013 000-09587
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 30 Jul 2013 23 Jul 2013
4 Open 4 document View SEC filing for 4 FORM 4 26 Jul 2013 24 Jul 2013
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Jul 2013 23 Jul 2013
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED JULY 17, 2013 23 Jul 2013 17 Jul 2013 000-09587
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 19 Jun 2013 14 Jun 2013
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED JUNE 14, 2013 14 Jun 2013 14 Jun 2013 000-09587
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2013 05 Mar 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 13 May 2013 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2013 09 May 2013 31 Mar 2013 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 24, 2013 29 Apr 2013 24 Apr 2013 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2012 22 Mar 2013 31 Dec 2012 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 22 Mar 2013 24 Apr 2013 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 15 Mar 2013 005-33286
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 15 Mar 2013 005-33286
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 15 Mar 2013 005-33286
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Mar 2013 11 Jan 2011
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2013 21 Feb 2013
4 Open 4 document View SEC filing for 4 FORM 4 15 Feb 2013 13 Feb 2013
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 15 Feb 2013 005-33286
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2013 31 Jan 2013
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2012 09 Nov 2012 30 Sep 2012 000-09587
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2012 10 Aug 2012 30 Jun 2012 000-09587
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 08 Aug 2012 18 Jul 2012
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 08 Aug 2012 18 Jul 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Jul 2012 18 Jul 2012
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 25 Jul 2012 18 Apr 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jul 2012 18 Jul 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jul 2012 18 Jul 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jul 2012 18 Jul 2012
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2012 11 May 2012 31 Mar 2012 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 18, 2012 20 Apr 2012 18 Apr 2012 000-09587
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 29 Mar 2012 18 Apr 2012 000-09587
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2011 29 Mar 2012 31 Dec 2011 000-09587
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2012 23 Aug 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Feb 2012 21 Feb 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Feb 2012 17 Feb 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Dec 2011 20 Dec 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A AMENDMENT NO. 6 TO SCHEDULE 13D 09 Dec 2011 005-33286
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2011 10 Nov 2011 30 Sep 2011 000-09587
4 Open 4 document View SEC filing for 4 FORM 4 03 Nov 2011 01 Nov 2011
4 Open 4 document View SEC filing for 4 FORM 4 29 Sep 2011 27 Sep 2011
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 30 Aug 2011 005-33286
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 26 Aug 2011 25 Aug 2011
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2011 12 Aug 2011 30 Jun 2011 000-09587
4 Open 4 document View SEC filing for 4 FORM 4 12 Jul 2011 11 Jul 2011
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2011 13 Jun 2011
4 Open 4 document View SEC filing for 4 FORM 4 14 Jun 2011 10 Jun 2011
4 Open 4 document View SEC filing for 4 FORM 4 09 Jun 2011 08 Jun 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 08 Jun 2011 06 Jun 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 31 May 2011 26 May 2011
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 20 May 2011 06 Apr 2011
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 May 2011 13 May 2011
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2011 12 May 2011 31 Mar 2011 000-09587
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 20, 2011 25 Apr 2011 20 Apr 2011 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 05 Apr 2011 005-33286
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 04 Apr 2011 31 Mar 2011
3 Open 3 document View SEC filing for 3 MAIN DOCUMENT DESCRIPTION 04 Apr 2011 29 Mar 2011
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 17 Mar 2011 20 Apr 2011 000-09587
10-K Open 10-K document View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2010 17 Mar 2011 31 Dec 2010 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 16 Mar 2011 005-33286
5/A Open 5/A document View SEC filing for 5/A PRIMARY DOCUMENT 10 Mar 2011 31 Dec 2010
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 02 Mar 2011 26 Jan 2011
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED JANUARY 26, 2011 24 Feb 2011 26 Jan 2011 000-09587
5 Open 5 document View SEC filing for 5 PRIMARY DOCUMENT 14 Feb 2011 31 Dec 2010
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2010 12 Nov 2010 30 Sep 2010 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 08 Oct 2010 005-33286
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 2010 13 Aug 2010 30 Jun 2010 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 May 2010 19 May 2010
10-Q Open 10-Q document View SEC filing for 10-Q FORM 10-Q DATED MARCH 31, 2010 11 May 2010 31 Mar 2010 000-09587
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 06 May 2010 005-33286
8-K Open 8-K document View SEC filing for 8-K FORM 8-K DATED APRIL 21, 2010 27 Apr 2010 21 Apr 2010 000-09587
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Apr 2010 14 Apr 2010
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Apr 2010 09 Apr 2010
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEFINITIVE PROXY STATEMENT 09 Mar 2010 21 Apr 2010 000-09587
10-K Open 10-K document View SEC filing for 10-K FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2009 09 Mar 2010 31 Dec 2009 000-09587

About this filer

ELECTRO SENSORS INC files with the SEC under CIK 0000351789. This page aggregates EDGAR filings and related ownership activity.

Industry: Industrial Instruments For Measurement, Display, And Control.

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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