---
schema_version: "secwatch.filing_event.v1"
accession: "0001759631-22-000055"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2022-12-21T23:59:59+00:00"
generated_at: "2026-06-21T00:57:43.314871+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Hyliion Holdings board chair Edward Olkkola dies; Jeffrey Craig appointed as new chair

## Summary
- Edward Olkkola, Board Chair since Oct 2020, died on Dec 15, 2022.
- Board reduced size from 10 to 9 members, effective Dec 21, 2022.
- Jeffrey Craig appointed as new Chair of the Board on Dec 21, 2022.

## SEC filing metadata
- accession: 0001759631-22-000055
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2022-12-21T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759631/000175963122000055/0001759631-22-000055-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000175963122000055/hyln-20221221.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001759631-22-000055
- JSON: https://secwatch.observer/filing/0001759631-22-000055.json
- Plain text: https://secwatch.observer/filing/0001759631-22-000055.txt

## Key facts
- Executive change
  Edward Olkkola departed as Board Chair at Hyliion Holdings Corp..
  - Action: died
  - Role: Board Chair
  source text: On December 15, 2022, Hyliion Holdings Corp. (the “Company”) was informed of the death of Edward Olkkola, a member of the Board of Directors (the “Board”) of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000175963122000055/0001759631-22-000055-index.htm
- Executive change
  Jeffrey Craig was appointed as Chair of the Board at Hyliion Holdings Corp..
  - Action: appointed
  - Role: Chair of the Board
  source text: The Board also appointed Jeffrey Craig as Chair of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000175963122000055/0001759631-22-000055-index.htm

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