Ecovyst Inc. filed a current report on October 28, 2026, disclosing that its Compensation Committee approved a Second Amended and Restated Ecovyst Catalyst Technologies LLC Severance Plan, effective October 22, 2026.

Key Highlights

  • Effective date: The revised Severance Plan became effective October 22, 2026, replacing the prior plan that had been in effect since January 1, 2022.
  • "Compensation" redefined: For executive officers, "Compensation" is now defined as the sum of base salary and target annual bonus.
  • Standard severance: Eligible executive officers terminated without "Cause" or resigning for "Good Reason" outside a Change in Control Protection Period receive 52 weeks of Compensation; the CEO receives 104 weeks.
  • Change in Control severance: During the Change in Control Protection Period, executive officers receive the greater of the standard amount or 18 months of Compensation; for the CEO, that alternative floor is 30 months of Compensation.
  • Protection period defined: The Change in Control Protection Period runs from six months before through twenty-four months following a Change in Control.
  • Payment structure: Severance under the plan is paid in a lump sum, according to the filing.
  • Individual agreements preserved: If an executive officer has a separate severance agreement, that officer receives whichever set of benefits is greater.

Ecovyst Catalyst Technologies LLC Severance Plan: Key Changes Explained

Ecovyst Inc. (NYSE:ECVT), headquartered in Wayne, Pennsylvania, disclosed through an Item 5.02 filing that its Compensation Committee approved an amended and restated severance arrangement on October 22, 2026. The Second Amended and Restated Ecovyst Catalyst Technologies LLC Severance Plan supersedes the Amended and Restated plan that had been in place since January 1, 2022. According to the filing, eligible employees and named executive officers of the company and its subsidiaries may participate in the plan.

The filing outlines the core benefit structure as follows. For executive officers who are terminated without "Cause" or who resign for "Good Reason" outside the Change in Control Protection Period, the severance amount equals 52 weeks of Compensation. The Chief Executive Officer receives a higher amount in the same circumstances: 104 weeks of Compensation. The filing defines "Compensation" for executive officers as base salary plus target annual bonus combined.

When a termination or resignation for "Good Reason" occurs during the Change in Control Protection Period, the executive receives the greater of the standard severance or 18 months of Compensation. For the Chief Executive Officer, that second figure rises to 30 months of Compensation. The filing describes the Change in Control Protection Period as beginning six months before and ending twenty-four months following a Change in Control. All such severance is payable in a lump sum. The filing also notes that any executive officer party to an individual severance agreement will receive whichever set of benefits is greater, under the individual agreement or the plan. The full plan is filed as Exhibit 10.1 to the report.

What Was Disclosed

Ecovyst Inc. disclosed the adoption of an amended and restated severance plan for executive officers and eligible employees, specifying severance amounts tied to weeks of Compensation for standard and Change in Control scenarios, with lump-sum payment terms, effective October 22, 2026.