---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-26-037107"
form_type: "8-K"
ticker: "MG"
cik: "0001436126"
company_name: "Mistras Group, Inc."
filed_at: "2026-09-18T20:05:33+00:00"
generated_at: "2026-09-18T20:07:24.766736+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 1.0
calibrated_materiality_score: 1.0
confidence: "high"
source: SEC EDGAR
---

# Mistras Group to be acquired by H.I.G. Capital for $20.35/share cash

## Summary
- All-cash deal values Mistras at ~$866M enterprise value including debt; $20.35 per share.
- Premium of ~8% and 13% to 30- and 90-day VWAPs; 61% above Dec 31, 2025 close.
- Closing requires stockholder majority, HSR waiting period, regulatory approvals; no financing condition.
- Go-shop period 40 days; termination fee $27.5M (50% if superior proposal during go-shop).
- Retention bonuses: CEO Shuman $750K, CFO Prajzner $425K, COO Hammad $425K, CCO D'Alterio $245K; directors/officers hold ~31% voting agreements.

## SEC filing metadata
- accession: 0001140361-26-037107
- form_type: 8-K
- ticker: MG
- cik: 0001436126
- company_name: Mistras Group, Inc.
- filed_at: 2026-09-18T20:05:33+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 1.0
- calibrated_materiality_score: 1.0
- confidence: high
- sec_items: 1.01, 5.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1436126/000114036126037107/0001140361-26-037107-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1436126/000114036126037107/ef20082419_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-26-037107
- JSON: https://secwatch.observer/filing/0001140361-26-037107.json
- Plain text: https://secwatch.observer/filing/0001140361-26-037107.txt

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