---
schema_version: "secwatch.filing_event.v1"
accession: "0000891014-22-000011"
form_type: "8-K"
ticker: "MTX"
cik: "0000891014"
company_name: "MINERALS TECHNOLOGIES INC"
filed_at: "2022-03-17T23:59:59+00:00"
generated_at: "2026-06-26T22:12:50.552172+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Director Donald C. Winter to retire from Minerals Technologies Board at May 2022 annual meeting

## Summary
- Donald C. Winter notified the company on March 16, 2022, of his planned retirement.
- He has served on the Board since 2014 and will step down at the end of his term on May 18, 2022.
- No replacement has been announced at this time.

## SEC filing metadata
- accession: 0000891014-22-000011
- form_type: 8-K
- ticker: MTX
- cik: 0000891014
- company_name: MINERALS TECHNOLOGIES INC
- filed_at: 2022-03-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/891014/000089101422000011/0000891014-22-000011-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891014/000089101422000011/form8k_0316.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000891014-22-000011
- JSON: https://secwatch.observer/filing/0000891014-22-000011.json
- Plain text: https://secwatch.observer/filing/0000891014-22-000011.txt

## Key facts
- Executive change
  Donald C. Winter departed as Director at MINERALS TECHNOLOGIES INC.
  - Action: retire
  - Role: Director
  source text: On March 16, 2022, Donald C. Winter, a member of the Board of Directors of Minerals Technologies Inc. (the “Company”) since 2014, notified the Company he will retire from the Board as of the end of his term at the Company’s May 18, 2022 annual meeting of shareholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/891014/000089101422000011/0000891014-22-000011-index.htm

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