---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-23-021085"
form_type: "8-K"
ticker: "HYLN"
cik: "0001759631"
company_name: "Hyliion Holdings Corp."
filed_at: "2023-03-17T23:59:59+00:00"
generated_at: "2026-06-17T23:39:20.225166+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Hyliion board resignations of Chao and Jenkins; three new independent directors appointed

## Summary
- Directors Elaine L. Chao and Howard Jenkins resigned effective March 17, 2023, with no disagreement with the company.
- Board increased from 9 to 10 members; appointed Melanie Trent (Class I, term to 2024), Richard Freeland (Class II, term to 2025), Rodger Boehm (Class III, term to 2023).
- Trent chairs Nominating and Corporate Governance; Freeland serves on Compensation and Technology; Boehm serves on Audit and Technology.
- All new directors are independent under NYSE and SEC standards and receive standard non-employee director compensation.

## SEC filing metadata
- accession: 0001213900-23-021085
- form_type: 8-K
- ticker: HYLN
- cik: 0001759631
- company_name: Hyliion Holdings Corp.
- filed_at: 2023-03-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/0001213900-23-021085-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/ea175290-8k_hyliion.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-23-021085
- JSON: https://secwatch.observer/filing/0001213900-23-021085.json
- Plain text: https://secwatch.observer/filing/0001213900-23-021085.txt

## Key facts
- Executive change
  Howard Jenkins resigned as Director at Hyliion Holdings Corp..
  - Action: resigned
  - Role: Director
  source text: Elaine L. Chao and Howard Jenkins have resigned from the Board of Directors of Hyliion Holdings Corp.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/0001213900-23-021085-index.htm
- Executive change
  Rodger Boehm was appointed as Director at Hyliion Holdings Corp..
  - Action: appointed
  - Role: Director
  source text: Rodger Boehm, age 65, will serve as a Class III director with a term that expires at the Company’s 2023 Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/0001213900-23-021085-index.htm
- Executive change
  Richard Freeland was appointed as Director at Hyliion Holdings Corp..
  - Action: appointed
  - Role: Director
  source text: Richard Freeland, age 65 will serve as a Class II director with a term that expires at the 2025 Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/0001213900-23-021085-index.htm
- Executive change
  Melanie Trent was appointed as Director at Hyliion Holdings Corp..
  - Action: appointed
  - Role: Director
  source text: Melanie Trent, age 58 will serve as a Class I director with a term that expires at the Company’s 2024 Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/0001213900-23-021085-index.htm
- Executive change
  Elaine L. Chao resigned as Director at Hyliion Holdings Corp..
  - Action: resigned
  - Role: Director
  source text: Elaine L. Chao and Howard Jenkins have resigned from the Board of Directors of Hyliion Holdings Corp.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1759631/000121390023021085/0001213900-23-021085-index.htm

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