---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-033887"
form_type: "8-K"
ticker: "CLS"
cik: "0001030894"
company_name: "CELESTICA INC"
filed_at: "2026-03-24T23:59:59+00:00"
generated_at: "2026-05-15T09:09:21.751061+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Celestica announces Chair succession; Mionis named Chair, Koellner Lead Independent Director, Reeder new Board member

## Summary
- Michael Wilson retires as Chair; won't stand for re-election at May 19, 2026 AGM per retirement policy, no disagreement.
- President & CEO Rob Mionis appointed Chair of Board; Laurette Koellner becomes Lead Independent Director, effective prior to 2026 AGM.
- David Reeder appointed to Board effective May 1, 2026; joins Audit, Compensation, and Nominating Committees; independent.
- Reeder is President/CEO of Entegris; former CFO at Chewy (2024-2025) and GlobalFoundries (2020-2024); brings semiconductor and financial expertise.
- Board will have nine members following the 2026 AGM.

## SEC filing metadata
- accession: 0001104659-26-033887
- form_type: 8-K
- ticker: CLS
- cik: 0001030894
- company_name: CELESTICA INC
- filed_at: 2026-03-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1030894/000110465926033887/0001104659-26-033887-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1030894/000110465926033887/tm269620d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-033887
- JSON: https://secwatch.observer/filing/0001104659-26-033887.json
- Plain text: https://secwatch.observer/filing/0001104659-26-033887.txt

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