---
schema_version: "secwatch.filing_event.v1"
accession: "0001104657-21-000102"
form_type: "8-K"
ticker: "MTRN"
cik: "0001104657"
company_name: "MATERION Corp"
filed_at: "2021-11-01T23:59:59+00:00"
generated_at: "2026-06-28T15:36:31.267122+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Materion completes $380M acquisition of H.C. Starck’s electronic materials business

## Summary
- Acquired H.C. Starck’s electronic materials business for $380M cash on cash-free, debt-free basis.
- Funded by $300M delayed draw term loan from new $375M revolving credit facility maturing Oct 2026.
- HCS-Electronic Materials expected 2021 revenue ~$145M and adjusted EBITDA ~$29M (20% margin).
- Acquisition adds 19% to Materion’s Value-Added Sales and adjusted EBITDA; immediately accretive.
- Expands position as global supplier to semiconductor industry; complements thin film target solutions.

## SEC filing metadata
- accession: 0001104657-21-000102
- form_type: 8-K
- ticker: MTRN
- cik: 0001104657
- company_name: MATERION Corp
- filed_at: 2021-11-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 2.01, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1104657/000110465721000102/0001104657-21-000102-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1104657/000110465721000102/mtrn-20211027.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104657-21-000102
- JSON: https://secwatch.observer/filing/0001104657-21-000102.json
- Plain text: https://secwatch.observer/filing/0001104657-21-000102.txt

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