---
schema_version: "secwatch.filing_event.v1"
accession: "0001759631-25-000050"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2025-02-25T23:59:59+00:00"
generated_at: "2026-05-26T04:50:31.479003+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Hyliion Q4 net loss narrows to $14.4M; guides 2025 revenue $10-15M

## Summary
- Revenue of $1.5M in Q4 2024 from R&D services; first revenue from KARNO program.
- Net loss $14.4M vs $29.1M in Q4 2023; full-year loss $52.0M down from $123.5M.
- Ended 2024 with $220M cash; 2025 cash spend guided ~$60M.
- Secured commitments for over 100 KARNO generators; LOI with data center for up to 70 MW.
- 2025 revenue guidance of $10-15M from generator sales and R&D services.

## SEC filing metadata
- accession: 0001759631-25-000050
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2025-02-25T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- 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/1759631/000175963125000050/0001759631-25-000050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000175963125000050/hyln-20250225.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001759631-25-000050
- JSON: https://secwatch.observer/filing/0001759631-25-000050.json
- Plain text: https://secwatch.observer/filing/0001759631-25-000050.txt

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