---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-005169"
form_type: "8-K"
ticker: "ULBI"
cik: "0000875657"
company_name: "ULTRALIFE CORP"
filed_at: "2023-03-02T23:59:59+00:00"
generated_at: "2026-06-18T16:40:49.864458+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ultralife Q4 revenue up 52% to $36.1M; backlog record $111M; cyber incident caused 2-week disruption

## Summary
- Revenue $36.1M (+51.9% YoY); operating profit $0.2M vs loss $1.2M; net loss $0.2M ($0.01/sh) vs loss $1.1M ($0.07).
- Backlog $111M, highest ever, up 74% YoY.
- Cyber incident discovered Jan 25, 2023; partial disruption, ~2 weeks downtime; no ransom paid; $100k deductible.
- Adjusted EBITDA $2.0M vs loss $0.1M; gross margin 22.4% vs 22.3%.
- Government/defense sales up 84%; commercial up 38%; Battery & Energy up 45%.

## SEC filing metadata
- accession: 0001437749-23-005169
- form_type: 8-K
- ticker: ULBI
- cik: 0000875657
- company_name: ULTRALIFE CORP
- filed_at: 2023-03-02T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875657/000143774923005169/0001437749-23-005169-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875657/000143774923005169/ulbi20230301_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-005169
- JSON: https://secwatch.observer/filing/0001437749-23-005169.json
- Plain text: https://secwatch.observer/filing/0001437749-23-005169.txt

## Key facts
- Earnings Releases
  ULTRALIFE CORP reported the fourth quarter ended December 31, 2022 results: revenue $36.1 million, net income $0.2 million, EPS $0.01 per diluted share.
  - Period: the fourth quarter ended December 31, 2022
  - Revenue: $36.1 million
  - Net income: $0.2 million
  - EPS: $0.01 per diluted share
  - Result: reported results
  source text: Ultralife Corporation Reports Fourth Quarter Results NEWARK, N.Y. – March 2, 2023 -- Ultralife Corporation (NASDAQ: ULBI) reported operating profit of $0.2 million and adjusted EBITDA of $2.0 million on revenue of $36.1 million for the fourth quarter ended December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875657/000143774923005169/0001437749-23-005169-index.htm

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