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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001708035-24-000085
Filing Date
2024-05-17
Accepted
2024-05-17 16:49:33
Documents
4
Period of Report
2024-05-08

Document Format Files

Seq Description Document Type Size
1 FORM 3 wk-form3_1715978954.html 3  
1 FORM 3 wk-form3_1715978954.xml 3 1638
2 EX-24.1 althoffpoafiled.htm EX-24.1 4274
3 althoffpoafiled001.jpg GRAPHIC 227399
4 althoffpoafiled002.jpg GRAPHIC 38045
  Complete submission text file 0001708035-24-000085.txt   373274
Mailing Address 300 LINDENWOOD DRIVE MALVERN PA 19355
Business Address 300 LINDENWOOD DRIVE MALVERN PA 19355 484-617-1200
Ecovyst Inc. (Issuer) CIK: 0001708035 (see all company filings)

IRS No.: 813406833 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2800 Chemicals & Allied Products
(CF Office: 08 Industrial Applications and Services)

Mailing Address C/O ECOVYST INC. 300 LINDENWOOD DRIVE MALVERN PA 19355
Business Address
Althoff Donald L. (Reporting) CIK: 0002023079 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38221 | Film No.: 24960718