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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-23-007345
Filing Date
2023-03-07
Accepted
2023-03-07 16:15:12
Documents
1
Period of Report
2023-03-07

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 26821
  Complete submission text file 0000899243-23-007345.txt   34134
Mailing Address 245 PARK AVENUE 16TH FLOOR NEW YORK NY 10167
Business Address 245 PARK AVENUE 16TH FLOOR NEW YORK NY 10167 212 600-9600
CCMP Capital, LP (Reporting) CIK: 0001372939 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712772

Mailing Address C/O CCMP CAPITAL ADVISORS, LLC 245 PARK AVENUE, 16TH FLOOR NEW YORK NY 10167
Business Address C/O CCMP CAPITAL ADVISORS, LLC 245 PARK AVENUE, 16TH FLOOR NEW YORK NY 10167 (212) 600-9657
CCMP Capital Investors III, L.P. (Reporting) CIK: 0001569775 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712770

Mailing Address C/O CCMP CAPITAL ADVISORS, LLC 245 PARK AVENUE, 16TH FLOOR NEW YORK NY 10167
Business Address C/O CCMP CAPITAL ADVISORS, LLC 245 PARK AVENUE, 16TH FLOOR NEW YORK NY 10167 (212) 600-9600
CCMP Capital Investors III (Employee), L.P. (Reporting) CIK: 0001581003 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712767

Mailing Address 1 ROCKEFELLER PLAZA, 16TH FLOOR NEW YORK NY 10020
Business Address 1 ROCKEFELLER PLAZA, 16TH FLOOR NEW YORK NY 10020 212-600-9600
CCMP Capital GP, LLC (Reporting) CIK: 0001674350 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712771

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 CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172
Business Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172 2126009600
CCMP Capital Associates III GP, LLC (Reporting) CIK: 0001718029 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712769

Mailing Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172
Business Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172 2126009600
CCMP Capital Investors III (AV-9), L.P. (Reporting) CIK: 0001718030 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712764

Mailing Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172
Business Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172 2126009600
CCMP Capital Investors III (AV-7), L.P. (Reporting) CIK: 0001718031 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712766

Mailing Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172
Business Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172 2126009600
CCMP Capital Investors III (AV-10), L.P. (Reporting) CIK: 0001718032 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712763

Mailing Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172
Business Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172 2126009600
CCMP Capital Investors III (AV-8), L.P. (Reporting) CIK: 0001718033 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712765

Mailing Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172
Business Address C/O CCMP CAPITAL ADVISORS, LP 277 PARK AVENUE, 27TH FLOOR NEW YORK NY 10172 2126009600
CCMP Capital Associates III, L.P. (Reporting) CIK: 0001718034 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-38221 | Film No.: 23712768