---
schema_version: "secwatch.filing_event.v1"
accession: "0001759631-24-000078"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2024-04-04T23:59:59+00:00"
generated_at: "2026-06-04T02:23:38.162754+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "medium"
source: SEC EDGAR
---

# Hyliion holds KARNO generator showcase near Cincinnati on April 4, 2024

## Summary
- Hosts KARNO Technology Showcase at its facility near Cincinnati, Ohio.
- Event highlights KARNO generator, a fuel-flexible linear generator for efficiency.
- No financial results, guidance, or material corporate updates disclosed.

## SEC filing metadata
- accession: 0001759631-24-000078
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2024-04-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: medium
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759631/000175963124000078/0001759631-24-000078-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000175963124000078/hyln-20240404.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001759631-24-000078
- JSON: https://secwatch.observer/filing/0001759631-24-000078.json
- Plain text: https://secwatch.observer/filing/0001759631-24-000078.txt

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