---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-317640"
form_type: "8-K"
ticker: "ECVT"
cik: "0001708035"
company_name: "Ecovyst Inc."
filed_at: "2025-12-12T23:59:59+00:00"
generated_at: "2026-05-16T13:22:04.112360+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Ecovyst awards supplemental retention bonus to AM&C president tied to Technip Energies sale

## Summary
- VP Paul Whittleston gets supplemental bonus of 3 months base salary upon consummation of AM&C sale to Technip Energies.
- Bonus is in addition to amounts from the retention program adopted Dec 9, 2024.
- Award approved by Compensation Committee on Dec 8, 2025.

## SEC filing metadata
- accession: 0001193125-25-317640
- form_type: 8-K
- ticker: ECVT
- cik: 0001708035
- company_name: Ecovyst Inc.
- filed_at: 2025-12-12T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708035/000119312525317640/0001193125-25-317640-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708035/000119312525317640/d79950d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-317640
- JSON: https://secwatch.observer/filing/0001193125-25-317640.json
- Plain text: https://secwatch.observer/filing/0001193125-25-317640.txt

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