---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-005729"
form_type: "8-K"
ticker: "MIR"
cik: "0001809987"
company_name: "Mirion Technologies, Inc."
filed_at: "2023-03-01T23:59:59+00:00"
generated_at: "2026-06-18T18:37:47.734273+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Mirion amends bylaws to comply with universal proxy rules and DGCL updates

## Summary
- Adopted amended bylaws effective Feb 28, 2023, addressing SEC universal proxy rules (Rule 14a-19).
- Updated advance notice provisions requiring detailed info on nominees and limiting number of nominees to board seats.
- Revised stockholder list availability to conform to recent Delaware General Corporation Law amendments.
- Clarified board and chairperson authority to establish meeting rules of conduct.

## SEC filing metadata
- accession: 0001628280-23-005729
- form_type: 8-K
- ticker: MIR
- cik: 0001809987
- company_name: Mirion Technologies, Inc.
- filed_at: 2023-03-01T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1809987/000162828023005729/0001628280-23-005729-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1809987/000162828023005729/mir-20230228.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-005729
- JSON: https://secwatch.observer/filing/0001628280-23-005729.json
- Plain text: https://secwatch.observer/filing/0001628280-23-005729.txt

## Key facts
- Governance Changes
  Mirion Technologies, Inc.: Amended and restated bylaws to address universal proxy rules, update advance notice provisions, revise stockholder meeting provisions, and clarify board authority on meeting conduct (effective 2023-02-28).
  - Change: bylaw amendment
  - Effective: 2023-02-28
  source text: On February 28, 2023, in connection with the effectiveness of new Securities and Exchange Commission rules regarding universal proxy cards, certain recent changes to the Delaware General Corporation Law (the “DGCL”), and a periodic review of the bylaws of Mirion Technologies, Inc. (the “Company”), the Company’s board of directors (the “Board”) approved and adopted the Company’s amended and restated bylaws (the “Amended and Restated Bylaws”), effective immediately
  evidence_url: https://www.sec.gov/Archives/edgar/data/1809987/000162828023005729/0001628280-23-005729-index.htm

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