---
schema_version: "secwatch.filing_event.v1"
accession: "0001759631-23-000094"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2023-11-08T23:59:59+00:00"
generated_at: "2026-06-08T09:54:17.786045+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Hyliion shifts focus to KARNO generator, winds down powertrain; Q3 expenses down, cash $324M

## Summary
- Q3 operating expenses $33.3M (down 47% YoY); year-to-date $103.7M; cash & investments $324M.
- Company to discontinue powertrain business, retain technology for future use/sale; focus on KARNO generator.
- FY 2023 year-end cash expected ~$285M; 2024 cash burn ~$40M, excluding powertrain asset monetization.
- First KARNO generator revenue deployments expected late 2024; new R&D facility near Cincinnati, OH.
- No further powertrain revenue in 2023; powertrain achieved CARB certification and fleet trials before wind-down.

## SEC filing metadata
- accession: 0001759631-23-000094
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2023-11-08T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759631/000175963123000094/0001759631-23-000094-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000175963123000094/hyln-20231108.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001759631-23-000094
- JSON: https://secwatch.observer/filing/0001759631-23-000094.json
- Plain text: https://secwatch.observer/filing/0001759631-23-000094.txt

## Key facts
- Earnings Releases
  Hyliion Holdings Corp. reported financial results for fiscal third quarter ended September 30, 2023.
  - Period: fiscal third quarter ended September 30, 2023
  - Result: reported results
  source text: On November 8, 2023, Hyliion Holdings Corp. (the “Company”) issued a press release announcing certain financial and other results for the quarter ended September 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000175963123000094/0001759631-23-000094-index.htm

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