Joseph S. Koscinski - 03 Feb 2026 Form 4 Insider Report for Ecovyst Inc. (ECVT)

Signature
/s/ Joseph S. Koscinski
Issuer symbol
ECVT
Transactions as of
03 Feb 2026
Net transactions value
$0
Form type
4
Filing time
05 Feb 2026, 16:04:57 UTC
Previous filing
05 Feb 2025
Next filing
06 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Koscinski Joseph S. Vice President, Chief Administrative Officer, General Counsel and Secretary C/O ECOVYST INC., 600 LEE ROAD, SUITE 200, WAYNE /s/ Joseph S. Koscinski 05 Feb 2026 0001717992

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ECVT Common Stock Award $0 +27,158 +4.9% $0.000000 584,732 03 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

Vice President, Chief Administrative Officer, General Counsel and Secretary