# Ultralife Corp: filings

ULBI · Nasdaq · CIK 875657 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ulbi.md) · [Financials](/companies/ulbi/financials.md) · [Filings](/companies/ulbi/filings.md) · [Insiders](/companies/ulbi/insiders.md)

## Reports and events: 285 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 348, 8-K 169, 10-Q 53, SC 13G/A 38, 4/A 22, 10-K 18, DEF 14A 18, SC 13G 14, DEFA14A 13, SD 13, 10-K/A 11, 8-K/A 10, 3 9, ARS 7, UPLOAD 6, CORRESP 4, SC 13D/A 4, S-8 3, EFFECT 2, NT 10-K 2, NT 10-Q 2, S-3 2, SCHEDULE 13D/A 2, SCHEDULE 13G 2, 5 1, S-3/A 1, SC 14D9 1, SC TO-C 1, SC TO-T 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 16:23 ET | [SCHEDULE 13D/A](/filings/0000933430-26-000005.md) | Ownership report, active investor, amended | 0000933430-26-000005 |
| 2026-10-28 | 12:13 ET | [8-K](/filings/0001437749-26-033731.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-26-033731 |
| 2026-08-07 | 16:01 ET | [8-K](/filings/0001437749-26-026573.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-026573 |
| 2026-08-07 | 07:30 ET | [10-Q](/filings/0001437749-26-026432.md) | Quarterly report, period 2026-06-30 | 0001437749-26-026432 |
| 2026-07-23 | 16:27 ET | [8-K](/filings/0001437749-26-024330.md) | 5.07 Shareholder vote results | 0001437749-26-024330 |
| 2026-06-02 | 13:07 ET | [DEF 14A](/filings/0001437749-26-019134.md) | Proxy statement, period 2026-07-22 | 0001437749-26-019134 |
| 2026-05-08 | 07:31 ET | [10-Q](/filings/0001437749-26-015750.md) | Quarterly report, period 2026-03-31 | 0001437749-26-015750 |
| 2026-05-08 | 07:30 ET | [8-K](/filings/0001437749-26-015749.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-015749 |
| 2026-04-29 | 08:29 ET | [10-K/A](/filings/0001437749-26-013737.md) | Annual report, amended, period 2025-12-31 | 0001437749-26-013737 |
| 2026-03-23 | 16:01 ET | [10-K](/filings/0001437749-26-009385.md) | Annual report, period 2025-12-31 | 0001437749-26-009385 |
| 2026-03-16 | 19:16 ET | [SCHEDULE 13D/A](/filings/0000933430-26-000003.md) | Ownership report, active investor, amended | 0000933430-26-000003 |
| 2026-03-10 | 17:25 ET | [8-K](/filings/0001437749-26-007567.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-007567 |
| 2025-11-18 | 07:30 ET | [8-K](/filings/0001437749-25-035515.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-035515 |
| 2025-11-17 | 17:26 ET | [10-Q](/filings/0001437749-25-035475.md) | Quarterly report, period 2025-09-30 | 0001437749-25-035475 |
| 2025-08-27 | 14:06 ET | [8-K](/filings/0001437749-25-027836.md) | 4.01 Change of auditor; 9.01 Financial statements and exhibits | 0001437749-25-027836 |
| 2025-08-07 | 16:55 ET | [10-Q](/filings/0001437749-25-025484.md) | Quarterly report, period 2025-06-30 | 0001437749-25-025484 |
| 2025-08-07 | 16:54 ET | [8-K](/filings/0001437749-25-025482.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-025482 |
| 2025-07-17 | 16:16 ET | [8-K](/filings/0001437749-25-022930.md) | 5.07 Shareholder vote results | 0001437749-25-022930 |
| 2025-05-27 | 13:03 ET | [DEF 14A](/filings/0001437749-25-018420.md) | Proxy statement, period 2025-07-16 | 0001437749-25-018420 |
| 2025-05-12 | 16:38 ET | [10-Q](/filings/0001437749-25-016140.md) | Quarterly report, period 2025-03-31 | 0001437749-25-016140 |
| 2025-05-09 | 07:00 ET | [8-K](/filings/0001437749-25-015629.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-015629 |
| 2025-04-28 | 16:51 ET | [10-K/A](/filings/0001437749-25-013351.md) | Annual report, amended, period 2024-12-31 | 0001437749-25-013351 |
| 2025-04-01 | 07:31 ET | [10-K](/filings/0001437749-25-010360.md) | Annual report, period 2024-12-31 | 0001437749-25-010360 |
| 2025-04-01 | 07:30 ET | [8-K](/filings/0001437749-25-010359.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-25-010359 |
| 2025-01-16 | 16:00 ET | [8-K/A](/filings/0001437749-25-001267.md) | 9.01 Financial statements and exhibits | 0001437749-25-001267 |
| 2024-11-12 | 17:08 ET | [10-Q](/filings/0001437749-24-034608.md) | Quarterly report, period 2024-09-30 | 0001437749-24-034608 |
| 2024-11-08 | 07:30 ET | [8-K](/filings/0001437749-24-034046.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-034046 |
| 2024-11-06 | 17:09 ET | [8-K](/filings/0001437749-24-033673.md) | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.03 New direct financial obligation; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-24-033673 |
| 2024-10-03 | 17:23 ET | [8-K](/filings/0001437749-24-030645.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001437749-24-030645 |
| 2024-09-03 | 16:15 ET | [SC 13D/A](/filings/0000933430-24-000011.md) | Ownership report, active investor, amended | 0000933430-24-000011 |
| 2024-07-25 | 07:31 ET | [10-Q](/filings/0001437749-24-023416.md) | Quarterly report, period 2024-06-30 | 0001437749-24-023416 |
| 2024-07-25 | 07:30 ET | [8-K](/filings/0001437749-24-023415.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-023415 |
| 2024-07-17 | 13:10 ET | [8-K](/filings/0001437749-24-022896.md) | 5.07 Shareholder vote results | 0001437749-24-022896 |
| 2024-05-29 | 13:01 ET | [DEF 14A](/filings/0001437749-24-018566.md) | Proxy statement, period 2024-07-16 | 0001437749-24-018566 |
| 2024-04-26 | 15:29 ET | [10-K/A](/filings/0001437749-24-013405.md) | Annual report, amended, period 2023-12-31 | 0001437749-24-013405 |
| 2024-04-25 | 07:31 ET | [10-Q](/filings/0001437749-24-013121.md) | Quarterly report, period 2024-03-31 | 0001437749-24-013121 |
| 2024-04-25 | 07:30 ET | [8-K](/filings/0001437749-24-013119.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-013119 |
| 2024-03-21 | 16:47 ET | [10-K](/filings/0001437749-24-008872.md) | Annual report, period 2023-12-31 | 0001437749-24-008872 |
| 2024-02-15 | 07:30 ET | [8-K](/filings/0001437749-24-004266.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-24-004266 |
| 2023-10-26 | 07:32 ET | [10-Q](/filings/0001437749-23-029036.md) | Quarterly report, period 2023-09-30 | 0001437749-23-029036 |
| 2023-10-26 | 07:30 ET | [8-K](/filings/0001437749-23-029034.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-23-029034 |
| 2023-07-27 | 07:31 ET | [10-Q](/filings/0001437749-23-020795.md) | Quarterly report, period 2023-06-30 | 0001437749-23-020795 |
| 2023-07-27 | 07:30 ET | [8-K](/filings/0001437749-23-020793.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-23-020793 |
| 2023-07-21 | 15:51 ET | [8-K](/filings/0001437749-23-020436.md) | 5.07 Shareholder vote results | 0001437749-23-020436 |
| 2023-05-30 | 17:00 ET | [DEF 14A](/filings/0001437749-23-016145.md) | Proxy statement, period 2023-07-19 | 0001437749-23-016145 |
| 2023-05-04 | 16:43 ET | [10-Q](/filings/0001437749-23-012590.md) | Quarterly report, period 2023-03-31 | 0001437749-23-012590 |
| 2023-04-28 | 14:28 ET | [10-K/A](/filings/0001437749-23-011580.md) | Annual report, amended, period 2022-12-31 | 0001437749-23-011580 |
| 2023-04-27 | 07:30 ET | [8-K](/filings/0001437749-23-011241.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-23-011241 |
| 2023-03-31 | 07:00 ET | [10-K](/filings/0001437749-23-008694.md) | Annual report, period 2022-12-31 | 0001437749-23-008694 |
| 2023-03-02 | 09:30 ET | [8-K](/filings/0001437749-23-005169.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001437749-23-005169 |

Page 1 of 6. [Older](/companies/ulbi/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 16:24 ET. No prices; not investment advice.