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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-23-016900
Filing Date
2023-07-05
Accepted
2023-07-05 16:30:29
Documents
1
Period of Report
2023-07-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 3223
  Complete submission text file 0000899243-23-016900.txt   4656
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

Mailing Address C/O PQ GROUP HOLDINGS INC. 300 LINDENWOOD DRIVE MALVERN PA 19355
Business Address
Koscinski Joseph S. (Reporting) CIK: 0001717992 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 231069599