---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-011241"
form_type: "8-K"
ticker: "ULBI"
cik: "0000875657"
company_name: "ULTRALIFE CORP"
filed_at: "2023-04-27T23:59:59+00:00"
generated_at: "2026-06-16T10:33:43.830566+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Ultralife Q1: revenue $31.9M (+5.1%), net loss $0.3M due to ransomware disruption

## Summary
- Revenue $31.9M, +5.1% YoY; operating income breakeven vs loss $0.3M last year.
- Net loss $0.3M ($0.02/share) vs net loss $0.2M ($0.01/share) in Q1 2022.
- Ransomware attack discovered Jan 25, 2023; no ransom paid; $0.1M cyber insurance deductible recorded.
- Gov/defense sales +24.7%; Communications Systems sales +181.8% to $3.4M on vehicle-amplifier adaptor order.
- Total backlog $108.1M, with $96.1M shippable in 9 months, up 30.2% YoY.

## SEC filing metadata
- accession: 0001437749-23-011241
- form_type: 8-K
- ticker: ULBI
- cik: 0000875657
- company_name: ULTRALIFE CORP
- filed_at: 2023-04-27T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875657/000143774923011241/0001437749-23-011241-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875657/000143774923011241/ulbi20230426_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-011241
- JSON: https://secwatch.observer/filing/0001437749-23-011241.json
- Plain text: https://secwatch.observer/filing/0001437749-23-011241.txt

## Key facts
- Earnings Releases
  ULTRALIFE CORP reported first quarter ended March 31, 2023 results: revenue $31.9 million, net income Net loss was $0.3 million or $0.02 per diluted share, EPS $0.02 per diluted share.
  - Period: first quarter ended March 31, 2023
  - Revenue: $31.9 million
  - Net income: Net loss was $0.3 million or $0.02 per diluted share
  - EPS: $0.02 per diluted share
  - Result: reported results
  source text: Ultralife Corporation (NASDAQ: ULBI) reported breakeven operating income and adjusted EBITDA of $1.2 million on revenue of $31.9 million for the first quarter ended March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875657/000143774923011241/0001437749-23-011241-index.htm

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