Joseph S. Koscinski - Vice President, Chief Administrative Officer, General Counsel and Secretary at Ecovyst Inc.

Issuer-level insider activity

Identity 1 identity field
Entity type
Individual
SEC evidence 1 source field
SEC filing history
Open SEC filing history

No buys or sells have been reported by Joseph S. Koscinski since 02 Jun 2025

Reported holdings for Joseph S. Koscinski in Ecovyst Inc.

Form 4 holding Vice President, Chief Administrative Officer, General Counsel and Secretary

Ecovyst Inc.

Security class
Common Stock
Shares / value
595,784
Estimated value
$6,946,841
Report date
04 Mar 2026
Price
$11.66
Ownership
Direct

Transaction history for Joseph S. Koscinski in Ecovyst Inc.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .