---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-236303"
form_type: "8-K/A"
ticker: "ECVT"
cik: "0001708035"
company_name: "Ecovyst Inc."
filed_at: "2021-08-04T23:59:59+00:00"
generated_at: "2026-06-29T22:43:26.958752+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Ecovyst accelerates CFO retirement and transition to August 5, 2021

## Summary
- Michael Crews retirement as EVP & CFO and Michael Feehan's transition to VP & CFO accelerated to August 5, 2021.
- Originally announced on March 23, 2021; effective date moved forward from previous date.
- Feehan will assume CFO role upon Crews' retirement.

## SEC filing metadata
- accession: 0001193125-21-236303
- form_type: 8-K/A
- ticker: ECVT
- cik: 0001708035
- company_name: Ecovyst Inc.
- filed_at: 2021-08-04T23:59:59+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/1708035/000119312521236303/0001193125-21-236303-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/d211113d8ka.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-236303
- JSON: https://secwatch.observer/filing/0001193125-21-236303.json
- Plain text: https://secwatch.observer/filing/0001193125-21-236303.txt

## Key facts
- Executive change
  Michael Crews departed as Executive Vice President and Chief Financial Officer at Ecovyst Inc..
  - Action: retire
  - Role: Executive Vice President and Chief Financial Officer
  source text: Michael Crews will retire from his position as Executive Vice President and Chief Financial Officer (the “Retirement”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/0001193125-21-236303-index.htm
- Executive change
  Michael Feehan changed role as Vice President and Chief Financial Officer at Ecovyst Inc..
  - Action: transition
  - Role: Vice President and Chief Financial Officer
  source text: Michael Feehan will transition to Vice President and Chief Financial Officer (the “Transition”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708035/000119312521236303/0001193125-21-236303-index.htm

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