---
schema_version: "secwatch.filing_event.v1"
accession: "0001759631-23-000122"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2023-12-20T23:59:59+00:00"
generated_at: "2026-06-07T09:56:38.859703+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Hyliion announces $20M stock repurchase program; $285M projected year-end cash

## Summary
- Board authorized up to $20M in open-market repurchases of common stock.
- Reported $324M cash/investments end of Sep 2023; projects ~$285M year-end.
- Winding down powertrain operations, focusing on KARNO generator development.
- First paid deployments of KARNO expected in late 2024; 2024 cash spend ~$40M.

## SEC filing metadata
- accession: 0001759631-23-000122
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2023-12-20T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759631/000175963123000122/0001759631-23-000122-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000175963123000122/hyln-20231220.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001759631-23-000122
- JSON: https://secwatch.observer/filing/0001759631-23-000122.json
- Plain text: https://secwatch.observer/filing/0001759631-23-000122.txt

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