---
schema_version: "secwatch.filing_event.v1"
accession: "0001759631-24-000014"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2024-02-13T23:59:59+00:00"
generated_at: "2026-06-06T03:32:48.924289+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Hyliion Q4 cash burn $32.6M; $291M cash; KARNO ITC eligibility; LOIs from Detmar, GTL

## Summary
- Q4 operating expenses $32.6M including $11.5M powertrain wind-down charges; cash and investments $291M at year-end.
- KARNO generator expected to qualify for up to 40% ITC under Inflation Reduction Act.
- Detmar Logistics LOI for KARNO unit on waste flare gas; GTL Leasing LOI for two units.
- First KARNO deployments to customers in late 2024; 2025 revenue guidance low double-digit millions, gross margins near break-even.
- 2024 KARNO cash expenditure guidance $40-$50M, down from $131M total in 2023.

## SEC filing metadata
- accession: 0001759631-24-000014
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2024-02-13T23:59:59+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/1759631/000175963124000014/0001759631-24-000014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000175963124000014/hyln-20240213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001759631-24-000014
- JSON: https://secwatch.observer/filing/0001759631-24-000014.json
- Plain text: https://secwatch.observer/filing/0001759631-24-000014.txt

## Key facts
- Earnings Releases
  Hyliion Holdings Corp. reported financial results for the quarter and year ended December 31, 2023.
  - Period: the quarter and year ended December 31, 2023
  - Result: reported results
  source text: On February 13, 2024, Hyliion Holdings Corp. (the “Company”) issued a press release announcing certain financial and other results for the quarter and year ended December 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000175963124000014/0001759631-24-000014-index.htm

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