---
schema_version: "secwatch.filing_event.v1"
accession: "0001708035-25-000076"
form_type: "8-K"
ticker: "ECVT"
cik: "0001708035"
company_name: "Ecovyst Inc."
filed_at: "2025-05-01T23:59:59+00:00"
generated_at: "2026-05-23T00:46:29.699527+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Ecovyst Reports Q1 2025 Net Loss of $3.6M, Reaffirms Adjusted EBITDA Guidance, Announces $35M Asset Acquisition

## Summary
- Q1 2025 sales of $162.2M vs $160.5M a year ago; net loss of $3.6M vs net income of $1.2M.
- Adjusted EBITDA declined to $38.9M from $45.5M; reaffirmed full-year 2025 Adjusted EBITDA guidance of $238M-$258M.
- Announced agreement to acquire Cornerstone Chemical's sulfuric acid production assets for $35M, expected close in Q2 2025.
- Stock repurchase program has $229.6M remaining as of March 31, 2025.

## SEC filing metadata
- accession: 0001708035-25-000076
- form_type: 8-K
- ticker: ECVT
- cik: 0001708035
- company_name: Ecovyst Inc.
- filed_at: 2025-05-01T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708035/000170803525000076/0001708035-25-000076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708035/000170803525000076/ecvt-20250501.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001708035-25-000076
- JSON: https://secwatch.observer/filing/0001708035-25-000076.json
- Plain text: https://secwatch.observer/filing/0001708035-25-000076.txt

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