---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-025095"
form_type: "8-K"
ticker: "MIR"
cik: "0001809987"
company_name: "Mirion Technologies, Inc."
filed_at: "2022-09-19T23:59:59+00:00"
generated_at: "2026-06-23T08:52:48.186124+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Mirion appoints Dr. Sheila Rege to board, replacing Warren

## Summary
- Christopher Warren resigned from Mirion's Board effective Sept 16, 2022; departure not due to any disagreement.
- Dr. Sheila Rege appointed to Board effective Sept 16, 2022, filling Warren's vacancy; will stand for reelection in 2023.
- Dr. Rege is a board-certified radiation oncologist, CEO/Founder of Northwest Cancer Clinic, with 30+ years in nuclear medicine.
- Chairman L.D. Kingsley cited goal to grow Medical segment to at least 50% of total company revenue.
- Dr. Rege will receive standard non-employee director compensation and serve on Audit and Compensation Committees.

## SEC filing metadata
- accession: 0001628280-22-025095
- form_type: 8-K
- ticker: MIR
- cik: 0001809987
- company_name: Mirion Technologies, Inc.
- filed_at: 2022-09-19T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025095/0001628280-22-025095-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025095/mir-20220913.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-025095
- JSON: https://secwatch.observer/filing/0001628280-22-025095.json
- Plain text: https://secwatch.observer/filing/0001628280-22-025095.txt

## Key facts
- Executive change
  Christopher Warren resigned as Director at Mirion Technologies, Inc..
  - Action: resigned
  - Role: Director
  source text: On September 13, 2022, Christopher Warren, a member of the board of directors (the “Board”) of Mirion Technologies, Inc. (the “Company”), notified the Company of his intent to resign from the Board, effective at the close of business on September 16, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025095/0001628280-22-025095-index.htm
- Executive change
  Sheila Rege was appointed as Director at Mirion Technologies, Inc..
  - Action: appointed
  - Role: Director
  source text: On September 16, 2022, after recommendation by the Nominating and Corporate Governance Committee of the Board, the Board appointed Ms. Sheila Rege, M.D., as a member of the Board, effective immediately, to fill the vacancy created by Mr. Warren’s resignation.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025095/0001628280-22-025095-index.htm

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