---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-22-025820"
form_type: "8-K"
ticker: "MIR"
cik: "0001809987"
company_name: "Mirion Technologies, Inc."
filed_at: "2022-10-03T23:59:59+00:00"
generated_at: "2026-06-23T06:05:11.379339+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Mirion appoints Michael Rossi as Medical Group President; he joins from Novartis

## Summary
- Michael Rossi appointed President of Mirion Medical, reporting to CEO Tom Logan.
- Rossi previously Head of Radioligand Imaging at Novartis' Advanced Accelerator Applications.
- Employment terms: base salary $470,000, target bonus 60% of base, initial RSUs valued at $650,000.
- CEO Tom Logan had been acting as Medical segment President; Rossi to drive organic/inorganic growth.

## SEC filing metadata
- accession: 0001628280-22-025820
- form_type: 8-K
- ticker: MIR
- cik: 0001809987
- company_name: Mirion Technologies, Inc.
- filed_at: 2022-10-03T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025820/0001628280-22-025820-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025820/mir-20221003.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-22-025820
- JSON: https://secwatch.observer/filing/0001628280-22-025820.json
- Plain text: https://secwatch.observer/filing/0001628280-22-025820.txt

## Key facts
- Executive change
  Michael Rossi was appointed as Medical Group President at Mirion Technologies, Inc..
  - Action: appointed
  - Role: Medical Group President
  source text: On October 3, 2022, Mirion Technologies, Inc. (the “Company”) announced the appointment of Michael Rossi, as Medical Group President of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1809987/000162828022025820/0001628280-22-025820-index.htm

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