---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-049453"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2026-07-23T22:18:30+00:00"
generated_at: "2026-07-24T10:05:52.980284+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Hyliion awarded $42M ONR contract for megawatt-scale power generation units

## Summary
- Awarded $42M cost-plus-fixed-fee contract by Office of Naval Research (ONR) for HELMUR program.
- Will design, develop, build, test, and deliver 2-megawatt and 3-megawatt power generation units.
- Work to advance core technology, reduce supply chain risk on magnets, develop additive manufacturing.
- Performance primarily in Cedar Park, TX; expected completion by July 2029.
- Funding obligated at award using FY2025 and FY2026 Navy RDT&E appropriations.

## SEC filing metadata
- accession: 0001628280-26-049453
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2026-07-23T22:18:30+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759631/000162828026049453/0001628280-26-049453-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000162828026049453/hyln-20260721.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-049453
- JSON: https://secwatch.observer/filing/0001628280-26-049453.json
- Plain text: https://secwatch.observer/filing/0001628280-26-049453.txt

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