HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC - 30 Sep 2025 SCHEDULE 13G/A Report for Ecovyst Inc. Common stock, par value $0.01 per share (ECVT)

Filing Manager: HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
Reporting Manager: Hotchkis and Wiley Capital Management, LLC
Security: Ecovyst Inc. Common stock, par value $0.01 per share
Symbol: ECVT
Shares outstanding: 114M shares
Disclosed Ownership: 8.85M shares
Ownership: 7.74%
Form type: SCHEDULE 13G/A
Filing time: 14 Nov 2025, 09:29:12 UTC
Date of event: 30 Sep 2025
Previous filing: 13 Aug 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Hotchkis and Wiley Capital Management, LLC	7.74%	8.85M	7.96M	0	Tina H. Kodama	Tina H. Kodama \| Chief Compliance Officer