---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-061422"
form_type: "8-K"
ticker: "ECVT"
cik: "0001708035"
company_name: "Ecovyst Inc."
filed_at: "2023-03-06T23:59:59+00:00"
generated_at: "2026-06-18T11:49:42.268049+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Ecovyst repurchases $29.85M of stock from underwriter in secondary offering

## Summary
- Underwriting agreement for 11.49M shares sold by selling stockholders at $9.95/share.
- Company to repurchase 3M shares from underwriter for $29.85M total.
- Share repurchase funded with cash on hand and cash from operations.
- Closing expected on or about March 7, 2023, subject to customary conditions.
- No new shares issued by Ecovyst; all shares sold by existing stockholders.

## SEC filing metadata
- accession: 0001193125-23-061422
- form_type: 8-K
- ticker: ECVT
- cik: 0001708035
- company_name: Ecovyst Inc.
- filed_at: 2023-03-06T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1708035/000119312523061422/0001193125-23-061422-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1708035/000119312523061422/d459991d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-061422
- JSON: https://secwatch.observer/filing/0001193125-23-061422.json
- Plain text: https://secwatch.observer/filing/0001193125-23-061422.txt

## Key facts
- Material Agreements
  Ecovyst Inc. entered into Underwriting Agreement with Jefferies LLC and the selling stockholders listed on Schedule I thereto valued at $29,850,000 (effective 2023-03-02).
  - Action: entry
  - Agreement: underwriting
  - Counterparty: Jefferies LLC and the selling stockholders listed on Schedule I thereto
  - Value: $29,850,000
  - Effective: 2023-03-02
  source text: On March 2, 2023, Ecovyst Inc. (the “ Company ”) entered into an Underwriting Agreement (the “ Underwriting Agreement ”) with Jefferies LLC (the “ Underwriter ”) and the selling stockholders listed on Schedule I thereto (the “ Selling Stockholders ”), relating to the underwritten offering of 11,490,444 shares (the “ Shares ”) of the Company’s common stock, par value $0.01 per share (the “ Offering ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1708035/000119312523061422/0001193125-23-061422-index.htm

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