---
schema_version: "secwatch.filing_event.v1"
accession: "0001436126-23-000057"
form_type: "8-K"
ticker: "MG"
cik: "0001436126"
company_name: "Mistras Group, Inc."
filed_at: "2023-12-08T23:59:59+00:00"
generated_at: "2026-06-07T15:31:08.717717+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Mistras Group finalizes separation with ex-CEO Bertolotti; severance ~$1.9M plus equity vesting

## Summary
- Lump sum cash payment of $1,229,130 and additional $645,870 in installments over 18 months.
- Immediate vesting of 253,537 unvested restricted stock units and earned performance-based RSUs.
- COBRA healthcare premiums paid for 18 months; life insurance premiums for 24 months ($7,065/year).
- Vehicle purchased at discount; pro rata 2023 bonus based on actual performance metrics.
- Non-compete for one year, non-solicitation for two years, and general release of claims.

## SEC filing metadata
- accession: 0001436126-23-000057
- form_type: 8-K
- ticker: MG
- cik: 0001436126
- company_name: Mistras Group, Inc.
- filed_at: 2023-12-08T23:59:59+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/1436126/000143612623000057/0001436126-23-000057-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1436126/000143612623000057/mg-20231206.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001436126-23-000057
- JSON: https://secwatch.observer/filing/0001436126-23-000057.json
- Plain text: https://secwatch.observer/filing/0001436126-23-000057.txt

## Key facts
- Executive change
  Dennis Bertolotti was terminated as President and Chief Executive Officer at Mistras Group, Inc..
  - Action: terminated
  - Role: President and Chief Executive Officer
  source text: Effective December 6, 2023, Mistras Group, Inc. (the “Company”) entered into a Separation Agreement and a General Release of Claims (collectively, the “Separation Agreement”) with Dennis Bertolotti, the former President and Chief Executive Officer of the Company, who was terminated from his positions on October 9, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1436126/000143612623000057/0001436126-23-000057-index.htm

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