---
schema_version: "secwatch.filing_event.v1"
accession: "0001289308-24-000039"
form_type: "8-K"
ticker: "ENS"
cik: "0001289308"
company_name: "EnerSys"
filed_at: "2024-11-06T23:59:59+00:00"
generated_at: "2026-05-30T04:22:13.951095+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# EnerSys CEO David Shaffer to retire May 2025; Shawn O'Connell named successor

## Summary
- David Shaffer to retire as CEO effective May 22, 2025; will continue in role until then.
- Shawn O'Connell appointed President and COO immediately; to become CEO and board member on May 23, 2025.
- O'Connell's base salary increased to $700k; receives $500k RSU and $500k option awards; bonus target raised to 85%.
- O'Connell previously led Energy Systems Global, driving $50M annual cost reduction and 20% earnings growth at Motive Power.
- Board Chair cites Shaffer's transformation of EnerSys from lead-acid to global energy systems leader with 35% revenue growth.

## SEC filing metadata
- accession: 0001289308-24-000039
- form_type: 8-K
- ticker: ENS
- cik: 0001289308
- company_name: EnerSys
- filed_at: 2024-11-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1289308/000128930824000039/0001289308-24-000039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1289308/000128930824000039/ens-20241106.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001289308-24-000039
- JSON: https://secwatch.observer/filing/0001289308-24-000039.json
- Plain text: https://secwatch.observer/filing/0001289308-24-000039.txt

## Key facts
- Executive change
  Shawn M. O'Connell was appointed as President and Chief Operating Officer at EnerSys.
  - Action: appointed
  - Role: President and Chief Operating Officer
  source text: (i) effective November 6, 2024, Shawn M. O’Connell has been appointed as President and Chief Operating Officer of EnerSys
  evidence_url: https://www.sec.gov/Archives/edgar/data/1289308/000128930824000039/0001289308-24-000039-index.htm
- Executive change
  Shawn M. O'Connell was appointed as Director at EnerSys.
  - Action: appointed
  - Role: Director
  source text: be appointed as a Class III director of the Board of Directors
  evidence_url: https://www.sec.gov/Archives/edgar/data/1289308/000128930824000039/0001289308-24-000039-index.htm
- Executive change
  Shawn M. O'Connell was appointed as President and Chief Executive Officer at EnerSys.
  - Action: will become
  - Role: President and Chief Executive Officer
  source text: (ii) effective on May 23, 2025, Mr. O’Connell will become President and Chief Executive Officer of EnerSys and be appointed as a Class III director of the Board of Directors, to fill the vacancy created by Mr. Shaffer’s retirement.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1289308/000128930824000039/0001289308-24-000039-index.htm
- Executive change
  David M. Shaffer departed as Chief Executive Officer at EnerSys.
  - Action: retire
  - Role: Chief Executive Officer
  source text: (a) David M. Shaffer has advised EnerSys of his intention to retire as Chief Executive Officer of EnerSys and member of its Board of Directors effective May 22, 2025,
  evidence_url: https://www.sec.gov/Archives/edgar/data/1289308/000128930824000039/0001289308-24-000039-index.htm

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