Form SD - Specialized disclosure report:
SEC Accession No. 0001708035-25-000089
Filing Date
2025-05-30
Accepted
2025-05-30 16:02:58
Documents
1

Document Format Files

Seq Description Document Type Size
1 SD formsd-2025conflictmineral.htm SD 36288
  Complete submission text file 0001708035-25-000089.txt   37462
Mailing Address 600 LEE ROAD, SUITE 200 WAYNE PA 19087
Business Address 600 LEE ROAD, SUITE 200 WAYNE PA 19087 484-617-1200
Ecovyst Inc. (Filer) CIK: 0001708035 (see all company filings)

EIN.: 813406833 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SD | Act: 34 | File No.: 001-38221 | Film No.: 251010719
SIC: 2800 Chemicals & Allied Products
(CF Office: 08 Industrial Applications and Services)