---
schema_version: "secwatch.filing_event.v1"
accession: "0000891014-22-000055"
form_type: "8-K"
ticker: "MTX"
cik: "0000891014"
company_name: "MINERALS TECHNOLOGIES INC"
filed_at: "2022-11-14T23:59:59+00:00"
generated_at: "2026-06-21T21:55:35.011906+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Minerals Technologies appoints Erik Aldag as CFO; Matthew Garth departs

## Summary
- Erik Aldag promoted to SVP, Finance and Treasury and CFO effective Nov 14, 2022.
- Former CFO Matthew Garth resigned Nov 7, 2022 to pursue another opportunity.
- Aldag joined MTI in 2017 as Director FP&A, added Investor Relations in 2020.
- Annual base salary $450,000; bonus opportunity up to 75% of base (prorated for 2022).

## SEC filing metadata
- accession: 0000891014-22-000055
- form_type: 8-K
- ticker: MTX
- cik: 0000891014
- company_name: MINERALS TECHNOLOGIES INC
- filed_at: 2022-11-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/891014/000089101422000055/0000891014-22-000055-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/891014/000089101422000055/form8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000891014-22-000055
- JSON: https://secwatch.observer/filing/0000891014-22-000055.json
- Plain text: https://secwatch.observer/filing/0000891014-22-000055.txt

## Key facts
- Executive change
  Matthew E. Garth resigned as Chief Financial Officer at MINERALS TECHNOLOGIES INC.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: who notified the Company of his decision to resign from the Company to pursue another opportunity on November 7, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/891014/000089101422000055/0000891014-22-000055-index.htm
- Executive change
  Erik Aldag was appointed as Senior Vice President, Finance and Treasury, and Chief Financial Officer at MINERALS TECHNOLOGIES INC.
  - Action: appointed
  - Role: Senior Vice President, Finance and Treasury, and Chief Financial Officer
  source text: On November 14, 2022, Minerals Technologies Inc. (the “Company”) announced that Erik Aldag, 37, was appointed Senior Vice President, Finance and Treasury, and Chief Financial Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/891014/000089101422000055/0000891014-22-000055-index.htm

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