---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-007567"
form_type: "8-K"
ticker: "ULBI"
cik: "0000875657"
company_name: "ULTRALIFE CORP"
filed_at: "2026-03-10T23:59:59+00:00"
generated_at: "2026-05-15T17:22:02.260847+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Ultralife Q4 revenue $48.5M, but operating loss of $10.6M on $12.2M impairment; GAAP EPS ($0.45)

## Summary
- Revenue $48.5M (+10.6% YoY); operating loss ($10.6M) vs profit $1.5M last year, driven by $12.2M intangible asset impairment.
- GAAP EPS ($0.45) includes ($0.57) impairment charge; adjusted EBITDA $5.7M (11.7% sales) vs $3.9M.
- Battery & Energy sales $45.9M (+15.1% YoY); Communications Systems $2.6M (-35.2%).
- Backlog $110.2M (+22% from Q3); management expects improved 2026 results.
- Rebranding consolidates sub-brands under Ultralife; expects $1.4M tax credit under 45X.

## SEC filing metadata
- accession: 0001437749-26-007567
- form_type: 8-K
- ticker: ULBI
- cik: 0000875657
- company_name: ULTRALIFE CORP
- filed_at: 2026-03-10T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875657/000143774926007567/0001437749-26-007567-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875657/000143774926007567/ulbi20260310_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-007567
- JSON: https://secwatch.observer/filing/0001437749-26-007567.json
- Plain text: https://secwatch.observer/filing/0001437749-26-007567.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.