Acorn Energy, Inc. SEC filings ACFN
Acorn Energy, Inc. has 1,002 filings in SEC EDGAR's recent list, going back to Jun 26, 2003. Its latest annual report, Form 10-K, was filed on Mar 5, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Jun 24, 2026 | Jun 23, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Feb 9, 2026 | Feb 5, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Jan 21, 2026 | Jan 19, 2026 |
| 4 | Insider transaction | Aug 6, 2025 | Aug 4, 2025 |
| 4 | Insider transaction | Aug 6, 2025 | Aug 4, 2025 |
| 4 | Insider transaction | May 12, 2025 | May 9, 2025 |
| 4 | Insider transaction | Jan 8, 2025 | Jan 6, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 3, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Jan 2, 2025 | Jan 1, 2025 |
| 4 | Insider transaction | Dec 11, 2024 | Dec 9, 2024 |
| 4 | Insider transaction | Nov 25, 2024 | Nov 22, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 18, 2024 | — |
| SC 13G | Ownership over 5% (passive) | May 2, 2024 | — |
| 4 | Insider transaction | Feb 21, 2024 | Feb 21, 2024 |
| 4 | Insider transaction | Jan 31, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 4, 2024 | Jan 2, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Jan 3, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Jun 13, 2023 | Jun 9, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 9, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 1, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | May 18, 2023 | — |
| 4 | Insider transaction | May 17, 2023 | May 15, 2023 |
| 4 | Insider transaction | Mar 24, 2023 | Mar 22, 2023 |
| 4 | Insider transaction | Mar 22, 2023 | Mar 21, 2023 |
| 3 | Initial insider ownership | Mar 22, 2023 | Mar 21, 2023 |
| 4 | Insider transaction | Mar 6, 2023 | Mar 2, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 5, 2023 | Jan 3, 2023 |
| 4 | Insider transaction | Jan 3, 2023 | Dec 1, 2022 |
| 4 | Insider transaction | Nov 22, 2022 | Nov 22, 2022 |
| 4 | Insider transaction | Sep 23, 2022 | Sep 21, 2022 |
| 4 | Insider transaction | Sep 21, 2022 | Sep 21, 2022 |
| 4 | Insider transaction | Sep 14, 2022 | Sep 12, 2022 |
| 4 | Insider transaction | Aug 15, 2022 | Aug 12, 2022 |
| 4 | Insider transaction | Jun 1, 2022 | Jun 1, 2022 |
| 4 | Insider transaction | Apr 15, 2022 | Apr 13, 2022 |
| 4 | Insider transaction | Jan 4, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Jan 3, 2022 | Jan 1, 2022 |
| 4 | Insider transaction | Dec 30, 2021 | Dec 27, 2021 |
| 4 | Insider transaction | May 12, 2021 | May 10, 2021 |
| 4 | Insider transaction | Feb 3, 2021 | Feb 2, 2021 |
| 4 | Insider transaction | Jan 5, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 5, 2021 | Jan 1, 2021 |
| 4 | Insider transaction | Jan 5, 2021 | Jan 1, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 9, 2020 | — |
| 4 | Insider transaction | Dec 9, 2020 | Dec 8, 2020 |
| 4 | Insider transaction | Jun 30, 2020 | Jun 26, 2020 |
| 4 | Insider transaction | Jun 8, 2020 | Jun 8, 2020 |
| 4 | Insider transaction | Feb 3, 2020 | Jan 30, 2020 |
| 4 | Insider transaction | Jan 8, 2020 | Jan 8, 2020 |
| 4 | Insider transaction | Jan 8, 2020 | Jan 8, 2020 |
| 4 | Insider transaction | Jan 8, 2020 | Jan 8, 2020 |
| SC 13D | Ownership over 5% (active) | Jul 8, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 2, 2019 | — |
| 4 | Insider transaction | Jul 2, 2019 | Jun 28, 2019 |
| 3 | Initial insider ownership | Jul 2, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jul 1, 2019 | Jun 28, 2019 |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 4 | Insider transaction | Jun 26, 2019 | Jun 24, 2019 |
| 4 | Insider transaction | Jun 25, 2019 | Jun 25, 2019 |
| 4 | Insider transaction | Apr 10, 2019 | Apr 1, 2019 |
| 3 | Initial insider ownership | Apr 10, 2019 | Apr 1, 2019 |
| 4 | Insider transaction | Feb 6, 2019 | Feb 5, 2019 |
| 4 | Insider transaction | Feb 6, 2019 | Feb 5, 2019 |
| 4 | Insider transaction | Feb 6, 2019 | Feb 5, 2019 |
| SC 13D | Ownership over 5% (active) | Dec 27, 2018 | — |
| 4 | Insider transaction | Dec 18, 2018 | Dec 14, 2018 |
| 3 | Initial insider ownership | Aug 16, 2018 | Aug 6, 2018 |
| 4 | Insider transaction | Aug 8, 2018 | Aug 6, 2018 |
| 4 | Insider transaction | Aug 8, 2018 | Aug 6, 2018 |
| 3 | Initial insider ownership | Aug 8, 2018 | Aug 6, 2018 |
| 4 | Insider transaction | Jun 5, 2018 | Jun 1, 2018 |
| 3 | Initial insider ownership | Jun 5, 2018 | Jun 1, 2018 |
| 4 | Insider transaction | May 2, 2018 | May 1, 2018 |
| 4 | Insider transaction | Apr 2, 2018 | Mar 29, 2018 |
| 4 | Insider transaction | Mar 29, 2018 | Mar 28, 2018 |
| 4 | Insider transaction | Jan 3, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Jan 3, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Jan 3, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Jan 3, 2018 | Jan 1, 2018 |
| 4 | Insider transaction | Feb 23, 2017 | Feb 21, 2017 |
| 4 | Insider transaction | Jan 4, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 4, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 4, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Jan 4, 2017 | Jan 1, 2017 |
| 4 | Insider transaction | Dec 27, 2016 | Dec 22, 2016 |
| 4 | Insider transaction | Sep 13, 2016 | Sep 12, 2016 |
| 4 | Insider transaction | Aug 31, 2016 | Aug 18, 2016 |
| 4 | Insider transaction | Jul 25, 2016 | Jul 22, 2016 |
| 4 | Insider transaction | Jun 27, 2016 | Jun 23, 2016 |
| 4 | Insider transaction | May 17, 2016 | May 13, 2016 |
| 4/A | Primary document | May 17, 2016 | May 13, 2016 |
| 4 | Insider transaction | May 16, 2016 | May 13, 2016 |
| 4 | Insider transaction | May 16, 2016 | May 13, 2016 |
| 4 | Insider transaction | May 16, 2016 | May 13, 2016 |
| 4 | Insider transaction | May 11, 2016 | Jan 15, 2016 |
| 4 | Insider transaction | Apr 4, 2016 | Apr 1, 2016 |
| 4 | Insider transaction | Apr 4, 2016 | Apr 1, 2016 |
| 4 | Insider transaction | Apr 4, 2016 | Apr 1, 2016 |
| 4 | Insider transaction | Apr 4, 2016 | Apr 1, 2016 |
| 4 | Insider transaction | Apr 4, 2016 | Apr 1, 2016 |
| 4 | Insider transaction | Mar 18, 2016 | Mar 16, 2016 |
| 4 | Insider transaction | Aug 17, 2015 | Aug 13, 2015 |
| 3 | Initial insider ownership | Aug 17, 2015 | Aug 13, 2015 |
| 4 | Insider transaction | Jan 14, 2015 | Jan 13, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Jan 5, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Dec 8, 2014 | Dec 5, 2014 |
| 4 | Insider transaction | Nov 14, 2014 | Nov 13, 2014 |
| 3/A | Filing | Nov 10, 2014 | Nov 6, 2014 |
| 4 | Insider transaction | Nov 10, 2014 | Nov 6, 2014 |
| 3 | Initial insider ownership | Nov 10, 2014 | Nov 6, 2014 |
| 4 | Insider transaction | Nov 7, 2014 | Nov 5, 2014 |
| 4 | Insider transaction | Oct 6, 2014 | Oct 2, 2014 |
| 4 | Insider transaction | Oct 6, 2014 | Oct 2, 2014 |
| 4 | Insider transaction | Sep 24, 2014 | Sep 23, 2014 |
| 4 | Insider transaction | Sep 24, 2014 | Sep 23, 2014 |
| 4 | Insider transaction | Sep 24, 2014 | Sep 23, 2014 |
| 4 | Insider transaction | Sep 24, 2014 | Sep 23, 2014 |
| 4 | Insider transaction | Sep 24, 2014 | Sep 23, 2014 |
| 3 | Initial insider ownership | Aug 7, 2014 | Jul 28, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Jul 2, 2014 | — |
| 4 | Insider transaction | Jun 11, 2014 | Jun 9, 2014 |
| 4 | Insider transaction | Jun 9, 2014 | Jun 6, 2014 |
| 4 | Insider transaction | Jun 6, 2014 | Jun 4, 2014 |
| 4 | Insider transaction | May 19, 2014 | May 16, 2014 |
| SC 13D/A | Amended ownership over 5% (active) | May 14, 2014 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 15, 2014 | — |
| 4 | Insider transaction | Feb 24, 2014 | Feb 21, 2014 |
| 4 | Insider transaction | Feb 24, 2014 | Feb 21, 2014 |
| 4 | Insider transaction | Feb 19, 2014 | Feb 14, 2014 |
| 4 | Insider transaction | Feb 13, 2014 | Feb 11, 2014 |
| 4 | Insider transaction | Feb 11, 2014 | Feb 7, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 6, 2014 | — |
| 4 | Insider transaction | Feb 3, 2014 | Feb 1, 2014 |
| 4 | Insider transaction | Jan 3, 2014 | Jan 1, 2014 |
| 4 | Insider transaction | Jan 3, 2014 | Jan 1, 2014 |
| 4 | Insider transaction | Jan 3, 2014 | Jan 1, 2014 |
| 4 | Insider transaction | Jan 3, 2014 | Jan 1, 2014 |
| 4 | Insider transaction | Jan 3, 2014 | Jan 1, 2014 |
| 4 | Insider transaction | Dec 4, 2013 | Dec 2, 2013 |
| 4 | Insider transaction | Dec 3, 2013 | Dec 1, 2013 |
| 4 | Insider transaction | Dec 3, 2013 | Dec 1, 2013 |
| 4 | Insider transaction | Dec 2, 2013 | Nov 27, 2013 |
| 4 | Insider transaction | Nov 14, 2013 | Nov 13, 2013 |
| 4 | Insider transaction | Oct 18, 2013 | Oct 18, 2013 |
| 4 | Insider transaction | Oct 18, 2013 | Oct 17, 2013 |
| 4 | Insider transaction | Oct 18, 2013 | Oct 17, 2013 |
| 4 | Insider transaction | Oct 18, 2013 | Oct 17, 2013 |
| 4 | Insider transaction | Oct 7, 2013 | Oct 4, 2013 |
| 4 | Insider transaction | Sep 23, 2013 | Sep 20, 2013 |
| 4 | Insider transaction | Sep 23, 2013 | Sep 20, 2013 |
| 4 | Insider transaction | Sep 23, 2013 | Sep 20, 2013 |
| 4 | Insider transaction | Sep 23, 2013 | Sep 20, 2013 |
| 4 | Insider transaction | Sep 23, 2013 | Sep 20, 2013 |
| 3 | Initial insider ownership | Sep 23, 2013 | Sep 20, 2013 |
| SC 13D | Ownership over 5% (active) | Aug 30, 2013 | — |
| 4 | Insider transaction | Aug 19, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Aug 9, 2013 | Aug 9, 2013 |
| 4 | Insider transaction | Aug 9, 2013 | Aug 9, 2013 |
| 4/A | Primary document | May 14, 2013 | May 13, 2013 |
| 4 | Insider transaction | May 14, 2013 | May 13, 2013 |
| 4 | Insider transaction | May 10, 2013 | May 8, 2013 |
| 3 | Initial insider ownership | May 10, 2013 | May 8, 2013 |
| 4 | Insider transaction | Mar 28, 2013 | Mar 28, 2013 |
| 4 | Insider transaction | Mar 25, 2013 | Mar 22, 2013 |
| 4 | Insider transaction | Mar 22, 2013 | Mar 21, 2013 |
| 4 | Insider transaction | Mar 21, 2013 | Mar 4, 2013 |
| 4 | Insider transaction | Mar 21, 2013 | Mar 21, 2013 |
| 4 | Insider transaction | Mar 20, 2013 | Mar 4, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G | Ownership over 5% (passive) | Feb 5, 2013 | — |
| 4 | Insider transaction | Feb 4, 2013 | Feb 1, 2013 |
| 4 | Insider transaction | Jan 8, 2013 | Sep 11, 2012 |
| 4 | Insider transaction | Jan 8, 2013 | Dec 13, 2012 |
| 4 | Insider transaction | Jan 3, 2013 | Jan 1, 2013 |
| 4 | Insider transaction | Dec 26, 2012 | Nov 27, 2012 |
| 4 | Insider transaction | Dec 26, 2012 | Dec 21, 2012 |
| 4 | Insider transaction | Dec 17, 2012 | Dec 13, 2012 |
| 4 | Insider transaction | Dec 17, 2012 | Dec 13, 2012 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Services-Engineering Services (SIC 8711)
- Listed as
- ACFN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Wilmington, DE
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 880984
- Former names
- ACORN FACTOR, INC. (until Jan 4, 2008); DATA SYSTEMS & SOFTWARE INC (until Sep 6, 2006)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.