---
schema_version: "secwatch.filing_event.v1"
accession: "0001104657-21-000104"
form_type: "8-K"
ticker: "MTRN"
cik: "0001104657"
company_name: "MATERION Corp"
filed_at: "2021-11-02T23:59:59+00:00"
generated_at: "2026-06-28T14:53:19.356829+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Materion reports record Q3 adjusted EPS $1.10 (+120% YoY); raises FY2021 guidance to $3.73-$3.83

## Summary
- Net sales $388M vs $287.2M prior year; value-added sales record $215.8M (+31%).
- Adjusted EBIT record $27.8M (12.9% of value-added sales); margin +430 bps.
- Adjusted EPS $1.10 (+120% from $0.50); Q4 guided $0.95-$1.05.
- Full-year adjusted EPS guidance raised to $3.73-$3.83 (86% increase).
- Closed transformative acquisition of HCS-Electronic Materials (tantalum/niobium) for semiconductor market.

## SEC filing metadata
- accession: 0001104657-21-000104
- form_type: 8-K
- ticker: MTRN
- cik: 0001104657
- company_name: MATERION Corp
- filed_at: 2021-11-02T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1104657/000110465721000104/0001104657-21-000104-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1104657/000110465721000104/mtrn-20211102.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104657-21-000104
- JSON: https://secwatch.observer/filing/0001104657-21-000104.json
- Plain text: https://secwatch.observer/filing/0001104657-21-000104.txt

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