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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 5, 2026 | Sep 30, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 29, 2026 | — |
| SC 14D9 | Schedule 14d9 | Oct 28, 2026 | — |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 28, 2026 | Oct 27, 2026 |
| SC TO-T | Filing | Oct 28, 2026 | — |
| SC TO-C | Filing | Oct 27, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 7, 2026 | Aug 7, 2026 |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jul 23, 2026 | Jul 23, 2026 |
| DEFA14A | Additional proxy material | Jun 2, 2026 | — |
| DEF 14A | Proxy statement | Jun 2, 2026 | Jul 22, 2026 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 18, 2026 |
| 10-Q | Quarterly report | May 8, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 8, 2026 | May 8, 2026 |
| 10-K/A | Amended annual report | Apr 29, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Mar 23, 2026 | Dec 31, 2025 |
| NT 10-K | Form nt 10-k | Mar 17, 2026 | Dec 31, 2025 |
| 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 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2026 | Mar 10, 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 |
| 8-K |
Current report
Results of operations
|
Nov 18, 2025 | Nov 18, 2025 |
| 10-Q | Quarterly report | Nov 17, 2025 | Sep 30, 2025 |
| NT 10-Q | Form nt 10-q | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Auditor change
|
Aug 27, 2025 | Aug 22, 2025 |
| 4 | Insider transaction | Aug 21, 2025 | Aug 19, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jul 17, 2025 | Jul 16, 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 |
| SD | Specialized disclosure (conflict minerals) | May 28, 2025 | — |
| DEFA14A | Additional proxy material | May 27, 2025 | — |
| DEF 14A | Proxy statement | May 27, 2025 | Jul 16, 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 |
| 10-Q | Quarterly report | May 12, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 9, 2025 | May 9, 2025 |
| 10-K/A | Amended annual report | Apr 28, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Apr 1, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 1, 2025 | Apr 1, 2025 |
| NT 10-K | Form nt 10-k | Mar 7, 2025 | Dec 31, 2024 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| 8-K/A | Amended current report | Jan 16, 2025 | Oct 31, 2024 |
| 4 | Insider transaction | Nov 21, 2024 | Nov 21, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 12, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Nov 6, 2024 | Oct 31, 2024 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 3, 2024 | Sep 27, 2024 |
| 4 | Insider transaction | Sep 3, 2024 | Sep 3, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Sep 3, 2024 | — |
| 10-Q | Quarterly report | Jul 25, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Jul 25, 2024 | Jul 25, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jul 17, 2024 | Jul 16, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 7, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2024 | — |
| DEFA14A | Additional proxy material | May 29, 2024 | — |
| DEF 14A | Proxy statement | May 29, 2024 | Jul 16, 2024 |
| EFFECT | Filing | May 7, 2024 | — |
| CORRESP | Letter to the SEC | May 3, 2024 | — |
| S-3/A | Form s-3/a | May 2, 2024 | — |
| 10-K/A | Amended annual report | Apr 26, 2024 | Dec 31, 2023 |
| 10-Q | Quarterly report | Apr 25, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
Apr 25, 2024 | Apr 25, 2024 |
| 4 | Insider transaction | Apr 19, 2024 | Apr 17, 2024 |
| UPLOAD | Letter from the SEC | Apr 3, 2024 | — |
| S-3 | Shelf registration | Mar 29, 2024 | — |
| 10-K | Annual report | Mar 21, 2024 | Dec 31, 2023 |
| 4 | Insider transaction | Mar 13, 2024 | Mar 13, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2024 | Feb 15, 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 |
| 10-Q | Quarterly report | Oct 26, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Oct 26, 2023 | Oct 26, 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 |
| 10-Q | Quarterly report | Jul 27, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Jul 27, 2023 | Jul 27, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jul 21, 2023 | Jul 19, 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 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| DEFA14A | Additional proxy material | May 30, 2023 | — |
| DEF 14A | Proxy statement | May 30, 2023 | Jul 19, 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 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | May 3, 2023 | May 3, 2023 |
| 10-K/A | Amended annual report | Apr 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 27, 2023 | Apr 27, 2023 |
| 10-K | Annual report | Mar 31, 2023 | Dec 31, 2022 |
| 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 |
| 8-K |
Current report
Results of operations, Other events
|
Mar 2, 2023 | Mar 2, 2023 |
| 3 | Initial insider ownership | Mar 1, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Feb 22, 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 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Nov 22, 2022 | Nov 22, 2022 |
| 10-Q | Quarterly report | Oct 27, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Other events
|
Oct 27, 2022 | Oct 27, 2022 |
| 8-K |
Current report
Other events
|
Sep 22, 2022 | Sep 22, 2022 |
| 4 | Insider transaction | Aug 19, 2022 | Aug 17, 2022 |
| 4 | Insider transaction | Aug 4, 2022 | Aug 2, 2022 |
| 10-Q | Quarterly report | Jul 28, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Jul 28, 2022 | Jul 28, 2022 |
| 8-K |
Current report
Other events
|
Jul 26, 2022 | Jul 26, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jul 21, 2022 | Jul 20, 2022 |
| 4 | Insider transaction | Jun 8, 2022 | Jun 6, 2022 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| DEFA14A | Additional proxy material | May 31, 2022 | — |
| DEF 14A | Proxy statement | May 31, 2022 | Jul 20, 2022 |
| 4 | Insider transaction | May 3, 2022 | May 3, 2022 |
| 8-K/A | Amended current report | Apr 28, 2022 | Dec 13, 2021 |
| 10-Q | Quarterly report | Apr 28, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
Apr 28, 2022 | Apr 28, 2022 |
| 10-K/A | Amended annual report | Apr 27, 2022 | Dec 31, 2021 |
| 10-K | Annual report | Mar 8, 2022 | Dec 31, 2021 |
| 4 | Insider transaction | Mar 4, 2022 | Mar 2, 2022 |
| 8-K/A | Amended current report | Feb 28, 2022 | Dec 13, 2021 |
| 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 |
| 8-K |
Current report
Results of operations
|
Feb 3, 2022 | Feb 3, 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 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, New debt, Regulation FD disclosure
|
Dec 16, 2021 | Dec 13, 2021 |
| 10-Q | Quarterly report | Oct 28, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Oct 28, 2021 | Oct 28, 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 |
| 10-Q | Quarterly report | Jul 29, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations
|
Jul 29, 2021 | Jul 29, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jul 23, 2021 | Jul 21, 2021 |
| S-8 | Employee stock plan registration | Jul 23, 2021 | — |
| DEFA14A | Additional proxy material | Jun 1, 2021 | — |
| DEF 14A | Proxy statement | Jun 1, 2021 | Jul 21, 2021 |
| SD | Specialized disclosure (conflict minerals) | May 27, 2021 | — |
| 8-K |
Current report
Other events
|
May 17, 2021 | May 17, 2021 |
| 10-Q | Quarterly report | Apr 29, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
Apr 29, 2021 | Apr 29, 2021 |
| EFFECT | Filing | Apr 2, 2021 | — |
| CORRESP | Letter to the SEC | Mar 31, 2021 | — |
| UPLOAD | Letter from the SEC | Mar 31, 2021 | — |
| S-3 | Shelf registration | Mar 30, 2021 | — |
| 10-K/A | Amended annual report | Mar 26, 2021 | Dec 31, 2020 |
| 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 | — |
| 10-K | Annual report | Feb 4, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Feb 4, 2021 | Feb 4, 2021 |
| 4 | Insider transaction | Nov 24, 2020 | Nov 23, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 6, 2020 | — |
| 10-Q | Quarterly report | Oct 29, 2020 | Sep 30, 2020 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2020 | Oct 29, 2020 |
| 4 | Insider transaction | Aug 20, 2020 | Aug 19, 2020 |
| 10-Q | Quarterly report | Jul 30, 2020 | Jun 30, 2020 |
| 8-K |
Current report
Results of operations
|
Jul 30, 2020 | Jul 30, 2020 |
| 8-K |
Current report
Shareholder vote results
|
Jul 23, 2020 | Jul 22, 2020 |
| DEFA14A | Additional proxy material | Jul 7, 2020 | — |
| 8-K |
Current report
Other events
|
Jul 7, 2020 | Jul 7, 2020 |
| 8-K |
Current report
Other events
|
Jun 29, 2020 | Jun 29, 2020 |
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.