---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-22-292620"
form_type: "8-K"
ticker: "ECVT"
cik: "0001708035"
company_name: "Ecovyst Inc."
filed_at: "2022-11-25T23:59:59+00:00"
generated_at: "2026-06-21T13:04:21.076775+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Ecovyst announces resignations of directors Currie and McFadden

## Summary
- Andrew Currie (INEOS Group) resigns from Ecovyst Board, effective Dec. 31, 2022.
- Mark McFadden (CCMP Capital co-managing partner) resigns from Ecovyst Board, effective Dec. 31, 2022.
- Both resignations are not the result of any disagreement with the Company.
- Currie served since 2008; McFadden since 2016; Chairman thanked them for service.

## SEC filing metadata
- accession: 0001193125-22-292620
- form_type: 8-K
- ticker: ECVT
- cik: 0001708035
- company_name: Ecovyst Inc.
- filed_at: 2022-11-25T23:59:59+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/1708035/000119312522292620/0001193125-22-292620-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/d418478d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-22-292620
- JSON: https://secwatch.observer/filing/0001193125-22-292620.json
- Plain text: https://secwatch.observer/filing/0001193125-22-292620.txt

## Key facts
- Executive change
  Mark McFadden resigned as Director at Ecovyst Inc..
  - Action: resigned
  - Role: Director
  source text: On November 22, 2022, Mark McFadden notified the Company that he would also be resigning from the Board effective December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/0001193125-22-292620-index.htm
- Executive change
  Andrew Currie resigned as Director at Ecovyst Inc..
  - Action: resigned
  - Role: Director
  source text: On November 21, 2022, Andrew Currie notified Ecovyst Inc. (the “Company”), that he would be resigning from the Company’s Board of Directors (the “Board”), effective December 31, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708035/000119312522292620/0001193125-22-292620-index.htm

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