---
schema_version: "secwatch.filing_event.v1"
accession: "0001104657-22-000088"
form_type: "8-K"
ticker: "MTRN"
cik: "0001104657"
company_name: "MATERION Corp"
filed_at: "2022-05-09T23:59:59+00:00"
generated_at: "2026-06-25T22:13:16.917172+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Materion appoints John Zaranec as Chief Accounting Officer effective May 4

## Summary
- John M. Zaranec named CAO, reporting to CFO Shelly M. Chadwick, who previously held the role.
- Zaranec, 41, joined Materion as VP Corporate Controller & IR in April 2021.
- Prior roles include Director Global Accounting at Timken and accounting leadership at A. Schulman.
- Compensation includes annual base salary, annual/long-term incentive plans, and benefit programs.
- Appointment effective May 4, 2022; separation of CAO and CFO duties.

## SEC filing metadata
- accession: 0001104657-22-000088
- form_type: 8-K
- ticker: MTRN
- cik: 0001104657
- company_name: MATERION Corp
- filed_at: 2022-05-09T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1104657/000110465722000088/0001104657-22-000088-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1104657/000110465722000088/mtrn-20220504.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104657-22-000088
- JSON: https://secwatch.observer/filing/0001104657-22-000088.json
- Plain text: https://secwatch.observer/filing/0001104657-22-000088.txt

## Key facts
- Executive change
  John M. Zaranec was appointed as Chief Accounting Officer at MATERION Corp.
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: On May 9, 2022, Materion Corporation (the “Company”) announced that John M. Zaranec was appointed as the Company’s Chief Accounting Officer, effective May 4, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1104657/000110465722000088/0001104657-22-000088-index.htm

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