---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-033731"
form_type: "8-K"
ticker: "ULBI"
cik: "0000875657"
company_name: "ULTRALIFE CORP"
filed_at: "2026-10-28T16:13:34+00:00"
generated_at: "2026-10-28T16:14:04.859358+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# EnerSys to acquire Ultralife for $16.00/share cash in ~$320M deal at 166% premium

## Summary
- Ultralife shareholders will receive $16.00 per share in cash; transaction valued at approximately $320 million including assumption of net debt.
- Purchase price represents a 166% premium to Ultralife's closing stock price on October 26, 2026; both boards unanimously approved.
- Stockholders beneficially owning approximately 40.3% of Ultralife shares signed tender and support agreements to tender and vote for the merger.
- Two-step tender offer followed by a merger under Delaware Section 251(h); conditions include HSR and UK NSIA clearances.
- Outside date is April 27, 2027, extendable by two 60-day periods for antitrust; $10.3 million termination fee payable by either party in specified cases.

## SEC filing metadata
- accession: 0001437749-26-033731
- form_type: 8-K
- ticker: ULBI
- cik: 0000875657
- company_name: ULTRALIFE CORP
- filed_at: 2026-10-28T16:13:34+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875657/000143774926033731/0001437749-26-033731-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875657/000143774926033731/ulbi20261027_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-033731
- JSON: https://secwatch.observer/filing/0001437749-26-033731.json
- Plain text: https://secwatch.observer/filing/0001437749-26-033731.txt

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