Ultralife Corp SEC filings ULBI
Ultralife Corp has 1,001 filings in SEC EDGAR's recent list, going back to Oct 5, 2006. Its latest annual report, Form 10-K, was filed on Mar 23, 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 Oct 28, 2026 (material agreement, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 29, 2026 | — |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 18, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 16, 2026 | — |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Jan 5, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 15, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Nov 19, 2025 | Nov 19, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | May 28, 2025 | May 23, 2025 |
| 4 | Insider transaction | May 15, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 13, 2025 |
| 4 | Insider transaction | May 14, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 13, 2025 | May 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Nov 21, 2024 | Nov 21, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 12, 2024 |
| 4 | Insider transaction | Sep 3, 2024 | Sep 3, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 3, 2024 | — |
| 4 | Insider transaction | Jun 7, 2024 | Jun 7, 2024 |
| 4 | Insider transaction | Apr 19, 2024 | Apr 17, 2024 |
| 4 | Insider transaction | Mar 13, 2024 | Mar 13, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Dec 29, 2023 | Dec 27, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 7, 2023 |
| 4 | Insider transaction | Dec 8, 2023 | Dec 6, 2023 |
| 4 | Insider transaction | Nov 29, 2023 | Nov 27, 2023 |
| 4 | Insider transaction | Nov 13, 2023 | Nov 10, 2023 |
| 4 | Insider transaction | Nov 1, 2023 | Oct 30, 2023 |
| 4 | Insider transaction | Sep 15, 2023 | Sep 13, 2023 |
| 4 | Insider transaction | Sep 15, 2023 | Sep 14, 2023 |
| 4 | Insider transaction | Sep 12, 2023 | Sep 11, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 14, 2023 | Jun 13, 2023 |
| 4 | Insider transaction | Jun 5, 2023 | Jun 2, 2023 |
| 4 | Insider transaction | Jun 1, 2023 | May 30, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 23, 2023 |
| 4 | Insider transaction | May 23, 2023 | May 23, 2023 |
| 4 | Insider transaction | May 11, 2023 | May 9, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 3, 2023 |
| 4 | Insider transaction | Mar 13, 2023 | Mar 9, 2023 |
| 4 | Insider transaction | Mar 8, 2023 | Mar 7, 2023 |
| 4 | Insider transaction | Mar 7, 2023 | Mar 6, 2023 |
| 3 | Initial insider ownership | Mar 1, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 10, 2023 | — |
| 4 | Insider transaction | Dec 16, 2022 | Dec 16, 2022 |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 15, 2022 | Dec 12, 2022 |
| 3 | Initial insider ownership | Dec 15, 2022 | Nov 22, 2022 |
| 4 | Insider transaction | Dec 8, 2022 | Dec 6, 2022 |
| 4 | Insider transaction | Dec 8, 2022 | Dec 7, 2022 |
| 4 | Insider transaction | Aug 19, 2022 | Aug 17, 2022 |
| 4 | Insider transaction | Aug 4, 2022 | Aug 2, 2022 |
| 4 | Insider transaction | Jun 8, 2022 | Jun 6, 2022 |
| 4 | Insider transaction | May 3, 2022 | May 3, 2022 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 2, 2022 |
| 4 | Insider transaction | Feb 28, 2022 | Feb 24, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 15, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| 4 | Insider transaction | Feb 8, 2022 | Feb 7, 2022 |
| 4 | Insider transaction | Dec 21, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 20, 2021 | Dec 17, 2021 |
| 4 | Insider transaction | Dec 16, 2021 | Dec 16, 2021 |
| 4 | Insider transaction | Oct 22, 2021 | Oct 20, 2021 |
| 4 | Insider transaction | Oct 22, 2021 | Oct 20, 2021 |
| 4 | Insider transaction | Aug 12, 2021 | Aug 10, 2021 |
| 4 | Insider transaction | Aug 4, 2021 | Aug 2, 2021 |
| 4 | Insider transaction | Mar 3, 2021 | Mar 1, 2021 |
| 4 | Insider transaction | Feb 25, 2021 | Feb 25, 2021 |
| SC 13G | Ownership over 5% (passive) | Feb 17, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 16, 2021 | — |
| 4 | Insider transaction | Nov 24, 2020 | Nov 23, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 6, 2020 | — |
| 4 | Insider transaction | Aug 20, 2020 | Aug 19, 2020 |
| 4 | Insider transaction | May 18, 2020 | May 14, 2020 |
| 4 | Insider transaction | May 11, 2020 | May 7, 2020 |
| 4 | Insider transaction | May 6, 2020 | May 4, 2020 |
| 4 | Insider transaction | Apr 23, 2020 | Apr 22, 2020 |
| 4 | Insider transaction | Apr 23, 2020 | Apr 22, 2020 |
| 4 | Insider transaction | Mar 17, 2020 | Mar 13, 2020 |
| 4 | Insider transaction | Feb 28, 2020 | Feb 26, 2020 |
| 4 | Insider transaction | Feb 20, 2020 | Feb 18, 2020 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 18, 2020 | — |
| SC 13G | Ownership over 5% (passive) | Feb 18, 2020 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2020 | — |
| 4 | Insider transaction | Jul 25, 2019 | Jul 23, 2019 |
| 4 | Insider transaction | Jul 25, 2019 | Jul 23, 2019 |
| 4 | Insider transaction | May 13, 2019 | May 13, 2019 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2019 | — |
| 4 | Insider transaction | Jan 2, 2019 | Dec 28, 2018 |
| 4 | Insider transaction | Dec 17, 2018 | Dec 14, 2018 |
| 4 | Insider transaction | Dec 6, 2018 | Dec 3, 2018 |
| 4 | Insider transaction | Nov 15, 2018 | Nov 14, 2018 |
| 4/A | Form 4/a | Jul 27, 2018 | Jun 7, 2011 |
| 4 | Insider transaction | May 14, 2018 | May 11, 2018 |
| 4 | Insider transaction | Apr 19, 2018 | Apr 18, 2018 |
| 4 | Insider transaction | Apr 19, 2018 | Apr 18, 2018 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2018 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2018 | — |
| 4 | Insider transaction | Dec 15, 2017 | Dec 15, 2017 |
| 4 | Insider transaction | Nov 7, 2017 | Nov 7, 2017 |
| 4 | Insider transaction | Jun 1, 2017 | Jun 1, 2017 |
| 4 | Insider transaction | May 25, 2017 | May 24, 2017 |
| 4 | Insider transaction | Apr 21, 2017 | Apr 19, 2017 |
| 4/A | Form 4/a | Apr 21, 2017 | Jun 7, 2011 |
| 4/A | Form 4/a | Apr 21, 2017 | Dec 30, 2010 |
| 4 | Insider transaction | Feb 28, 2017 | Feb 24, 2017 |
| 4 | Insider transaction | Feb 15, 2017 | Feb 13, 2017 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 15, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2017 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2017 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2017 | — |
| 5 | Annual insider ownership | Jan 11, 2017 | Dec 31, 2016 |
| 4 | Insider transaction | Dec 2, 2016 | Nov 30, 2016 |
| 4 | Insider transaction | Nov 15, 2016 | Nov 11, 2016 |
| 4 | Insider transaction | Nov 4, 2016 | Nov 2, 2016 |
| 4 | Insider transaction | Sep 9, 2016 | Sep 9, 2016 |
| 4 | Insider transaction | Aug 4, 2016 | Aug 2, 2016 |
| 4 | Insider transaction | Jun 3, 2016 | Jun 1, 2016 |
| 4 | Insider transaction | Jun 3, 2016 | Jun 1, 2016 |
| 4 | Insider transaction | May 16, 2016 | May 2, 2016 |
| 4 | Insider transaction | May 10, 2016 | May 9, 2016 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 4, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 11, 2016 | — |
| SC 13G | Ownership over 5% (passive) | Feb 9, 2016 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 21, 2016 | — |
| 4 | Insider transaction | Oct 9, 2015 | Oct 8, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 10, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 10, 2015 | — |
| 4 | Insider transaction | Mar 9, 2015 | Mar 3, 2015 |
| 4 | Insider transaction | Mar 9, 2015 | Mar 3, 2015 |
| 4 | Insider transaction | Feb 26, 2015 | Feb 25, 2015 |
| 4 | Insider transaction | Feb 20, 2015 | Feb 19, 2015 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 28, 2015 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2015 | — |
| 4 | Insider transaction | Jan 5, 2015 | Jan 1, 2015 |
| 4 | Insider transaction | Dec 10, 2014 | Dec 9, 2014 |
| 4 | Insider transaction | Sep 9, 2014 | Sep 8, 2014 |
| 4 | Insider transaction | Aug 18, 2014 | Aug 15, 2014 |
| 4 | Insider transaction | Aug 18, 2014 | Aug 15, 2014 |
| 4 | Insider transaction | Aug 18, 2014 | Aug 15, 2014 |
| 4 | Insider transaction | Aug 18, 2014 | Aug 15, 2014 |
| 4 | Insider transaction | Aug 18, 2014 | Aug 15, 2014 |
| 4 | Insider transaction | May 19, 2014 | May 19, 2014 |
| 4 | Insider transaction | May 19, 2014 | May 19, 2014 |
| 4 | Insider transaction | May 19, 2014 | May 19, 2014 |
| 4 | Insider transaction | May 19, 2014 | May 19, 2014 |
| 4 | Insider transaction | May 19, 2014 | May 19, 2014 |
| SC 13G | Ownership over 5% (passive) | Apr 10, 2014 | — |
| 4 | Insider transaction | Mar 7, 2014 | Mar 7, 2014 |
| 4 | Insider transaction | Mar 6, 2014 | Mar 4, 2014 |
| 4 | Insider transaction | Feb 18, 2014 | Feb 17, 2014 |
| 4 | Insider transaction | Feb 18, 2014 | Feb 17, 2014 |
| 4 | Insider transaction | Feb 18, 2014 | Feb 17, 2014 |
| 4 | Insider transaction | Feb 18, 2014 | Feb 17, 2014 |
| 4 | Insider transaction | Feb 18, 2014 | Feb 17, 2014 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2014 | — |
| SC 13G | Ownership over 5% (passive) | Feb 6, 2014 | — |
| 4 | Insider transaction | Jan 2, 2014 | Jan 1, 2014 |
| 4 | Insider transaction | Nov 15, 2013 | Nov 15, 2013 |
| 4 | Insider transaction | Nov 15, 2013 | Nov 15, 2013 |
| 4 | Insider transaction | Nov 15, 2013 | Nov 15, 2013 |
| 4 | Insider transaction | Nov 15, 2013 | Nov 15, 2013 |
| 4 | Insider transaction | Nov 15, 2013 | Nov 15, 2013 |
| 4 | Insider transaction | Aug 15, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Aug 15, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Aug 15, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Aug 15, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Aug 15, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Aug 15, 2013 | Aug 15, 2013 |
| 4 | Insider transaction | Jun 6, 2013 | Jun 4, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | Jun 6, 2013 | — |
| 4 | Insider transaction | Jun 3, 2013 | May 30, 2013 |
| 4 | Insider transaction | Mar 4, 2013 | Feb 28, 2013 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 4, 2013 | — |
| 3 | Initial insider ownership | 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.
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Company profile
- Industry
- Miscellaneous Electrical Machinery, Equipment & Supplies (SIC 3690)
- Listed as
- ULBI (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Newark, NY
- SEC filer status
- Accelerated filer, Smaller reporting company
- SEC CIK
- 875657
- Former names
- ULTRALIFE BATTERIES INC (until Jun 4, 2008)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.