Ecovyst Inc.
- CIK: 0001708035
- EIN: 81-3406833
- Business address: 300 LINDENWOOD DRIVE, MALVERN, Pennsylvania, 19355
Information
Mailing address
300 LINDENWOOD DRIVE, MALVERN, Delaware, 19355Phone
484-617-1200State location
PennsylvaniaState of incorporation
DelawareFiscal year end
December 31SIC
2800 - (CF Office: Office of Life Sciences) CHEMICALS & ALLIED PRODUCTSFilings
N/A
About Ecovyst Inc.
Ecovyst Inc. (CIK: 0001708035) is an American company incorporated in the state of Pennsylvania. Head office is located at 300 LINDENWOOD DRIVE, MALVERN, Pennsylvania, 19355. Work in the industry 2800 - (CF Office: Office of Life Sciences) CHEMICALS & ALLIED PRODUCTS. Ecovyst Inc. is a public company and trade via Over-The-Counter (OTC).Old names:
- PQ Group Holdings Inc. from 2017-09-Jun to 2021-23-Jul
Ownership
| Owner | Filings | Transaction Date | Type of Owner |
|---|---|---|---|
| Whittleston Paul | 0001958277 | Jan-01-2023 | officer: See Remarks |
| Vann George L. Jr. | 0001942134 | Aug-08-2022 | officer: See Remarks |
| Catalano Anna C | 0001330575 | Jul-27-2022 | director |
| Bradley David A. | 0001478505 | Apr-27-2022 | director |
| Fogarty Kevin Michael | 0001478560 | Apr-27-2022 | director |
| Brown Bryan K. | 0001925690 | Apr-27-2022 | director |
| Feehan Michael | 0001874994 | Aug-05-2021 | officer: See Remarks |
| Schneberger Thomas | 0001752725 | Mar-10-2021 | officer: See Remarks |
| Ward Susan F | 0001795151 | Jun-01-2020 | director |
| Beninati Albert J JR | 0001796422 | Dec-01-2019 | officer: See Remarks |
| BEHRENS CHRISTOPHER C | 0001097957 | May-02-2019 | director |
| INEOS Ltd | 0001771044 | Mar-20-2019 | 10 percent owner |
| Bitting Kurt | 0001769761 | Mar-01-2019 | officer: See Remarks |
| Kolberg Ray | 0001769798 | Mar-01-2019 | officer: See Remarks |
| Chariag Belgacem | 0001463291 | Aug-09-2018 | director, officer: CEO, President & Director |
| WALSH TIMOTHY J. | 0001108220 | Sep-29-2017 | director |
| RATCLIFFE JAMES A | 0001207553 | Sep-29-2017 | 10 percent owner |
| GENTILCORE JAMES | 0001217378 | Sep-29-2017 | director, officer: See Remarks |
| Craighead Martin S | 0001319699 | Sep-29-2017 | director |
| Boyce Michael Ross | 0001335907 | Sep-29-2017 | director |
| Vann Kyle D | 0001362531 | Sep-29-2017 | director |
| CCMP Capital, LP | 0001372939 | Sep-29-2017 | 10 percent owner |
| Toth Robert B | 0001392923 | Sep-29-2017 | director |
| Crews Michael C. | 0001438324 | Sep-29-2017 | officer: See Remarks |
| Brenneman Greg Dean | 0001482243 | Sep-29-2017 | director |
| Ross Kimberly A. | 0001536350 | Sep-29-2017 | director |
| CCMP Capital Investors III, L.P. | 0001569775 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Investors III (Employee), L.P. | 0001581003 | Sep-29-2017 | 10 percent owner |
| Quartz Co-Invest, L.P. | 0001620042 | Sep-29-2017 | 10 percent owner |
| McFadden Mark | 0001645436 | Sep-29-2017 | director |
| CCMP Capital GP, LLC | 0001674350 | Sep-29-2017 | 10 percent owner |
| Sichko William J. Jr. | 0001717989 | Sep-29-2017 | officer: See Remarks |
| Coxon Robert | 0001717991 | Sep-29-2017 | director |
| Koscinski Joseph S. | 0001717992 | Sep-29-2017 | officer: See Remarks |
| Ferrall Paul | 0001718007 | Sep-29-2017 | officer: See Remarks |
| CCMP Co-Invest III A GP, LLC | 0001718021 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Associates III GP, LLC | 0001718029 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Investors III (AV-9), L.P. | 0001718030 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Investors III (AV-7), L.P. | 0001718031 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Investors III (AV-10), L.P. | 0001718032 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Investors III (AV-8), L.P. | 0001718033 | Sep-29-2017 | 10 percent owner |
| CCMP Capital Associates III, L.P. | 0001718034 | Sep-29-2017 | 10 percent owner |
| Lau John | 0001718051 | Sep-29-2017 | officer: Chief Technology Officer |
| INEOS Investments Partnership | 0001718053 | Sep-29-2017 | 10 percent owner |
| Randolph Scott | 0001718055 | Sep-29-2017 | officer: See Remarks |
| Currie Andrew | 0001718059 | Sep-29-2017 | director |
| Ginns Jonny | 0001718282 | Sep-29-2017 | director |
| Taylor David James | 0001718284 | Sep-29-2017 | officer: See Remarks |
Stock Chart
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Jobs
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Recent SEC Filings
Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by Ecovyst Inc.
| Filings | Format | Description | Filed/Effective | File/Film Number |
|---|---|---|---|---|
| SCHEDULE 13G/A | Document | Acc-no: 0001172661-25-003241 (34 Act) Size: KB | Aug-13-2025 | 251213795 |
| 8-K | Document | Current report filing Acc-no: 0001193125-25-177926 (34 Act) Size: KB |
Aug-11-2025 | 251201981 |
| 10-Q | Document | Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001708035-25-000108 (34 Act) Size: KB |
Aug-07-2025 | 251193788 |
| 8-K | Document | Current report filing Acc-no: 0001708035-25-000104 (34 Act) Size: KB |
Aug-07-2025 | 251191345 |
| SCHEDULE 13D/A | Document | Acc-no: 0000950157-25-000552 (34 Act) Size: KB | Jul-02-2025 | 251101596 |
| 11-K | Document | Annual report of employee stock purchase, savings and similar plans Acc-no: 0001708035-25-000093 (34 Act) Size: KB |
Jun-20-2025 | 251061206 |
| SD | Document | Acc-no: 0001708035-25-000089 (34 Act) Size: KB | May-30-2025 | 251010719 |
| 8-K | Document | Current report filing Acc-no: 0001708035-25-000086 (34 Act) Size: KB |
May-09-2025 | 25930203 |
| 10-Q | Document | Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001708035-25-000083 (34 Act) Size: KB |
May-02-2025 | 25908276 |
| 8-K | Document | Current report filing Acc-no: 0001708035-25-000076 (34 Act) Size: KB |
May-01-2025 | 25899106 |
| 8-K | Document | Current report filing Acc-no: 0001193125-25-078475 (34 Act) Size: KB |
Apr-11-2025 | 25829845 |
| ARS | Document | Annual report to security holders Acc-no: 0001140361-25-012748 (34 Act) Size: KB |
Apr-08-2025 | 25820840 |
| DEF 14A | Document | Definitive proxy statements Acc-no: 0001140361-25-012747 (34 Act) Size: KB |
Apr-08-2025 | 25820839 |
| 10-K | Document | Annual report pursuant to section 13 and 15(d) Acc-no: 0001708035-25-000070 (34 Act) Size: KB |
Feb-28-2025 | 25689873 |
| 8-K | Document | Current report filing Acc-no: 0001708035-25-000063 (34 Act) Size: KB |
Feb-27-2025 | 25672571 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001708035-25-000057 ( Act) Size: 0 KB |
Feb-05-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001708035-25-000056 ( Act) Size: 0 KB |
Feb-05-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001708035-25-000055 ( Act) Size: 0 KB |
Feb-05-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001708035-25-000054 ( Act) Size: 0 KB |
Feb-05-2025 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001708035-25-000053 ( Act) Size: 0 KB |
Feb-05-2025 |
Recent 20 filings. View all Ecovyst Inc. filings
Reviews
Pelisari
young lad who new his job ansered questions and new what was best for me.
Ryan Storey
Huge help thank you for your help .. y'all make it so much easier
Catherine
Thanks I look forward to using the product to improve my skin tone
Frequently Asked Questions
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Disclaimer: The information on the Service is provided with the understanding that the Company is not herein engaged in rendering legal, accounting, tax, or other professional advice and services. As such, it should not be used as a substitute for consultation with professional accounting, tax, legal or other competent advisers.
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