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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001104659-24-020815
Filing Date
2024-02-13
Accepted
2024-02-13 17:04:42
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A tv0815-ecovystinc.htm SC 13G/A 11460
  Complete submission text file 0001104659-24-020815.txt   13108
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

IRS No.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address 300 LINDENWOOD DRIVE MALVERN PA 19355
Business Address 300 LINDENWOOD DRIVE MALVERN PA 19355 484-617-1200
Ecovyst Inc. (Subject) CIK: 0001708035 (see all company filings)

IRS No.: 813406833 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-90364 | Film No.: 24628423
SIC: 2800 Chemicals & Allied Products
(CF Office: 08 Industrial Applications and Services)