Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 7)*
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Ecovyst Inc. (Name of Issuer) |
Common Stock, par value $0.01 per share (Title of Class of Securities) |
73943T103 (CUSIP Number) |
Jonny Ginns 38 Hans Crescent, London, X0, SW1X 0LZ 44 (0) 7876 141210 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
06/30/2025 (Date of Event Which Requires Filing of This Statement) |
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.


The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the
Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).
SCHEDULE 13D
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CUSIP No. | 73943T103 |
1 |
Name of reporting person
INEOS Limited | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
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3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
WC | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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6 | Citizenship or place of organization
ISLE OF MAN
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Number of Shares Beneficially Owned by Each Reporting Person With: |
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11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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13 | Percent of class represented by amount in Row (11)
0 % | ||||||||
14 | Type of Reporting Person (See Instructions)
CO |
SCHEDULE 13D
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CUSIP No. | 73943T103 |
1 |
Name of reporting person
RATCLIFFE JAMES A | ||||||||
2 | Check the appropriate box if a member of a Group (See Instructions)
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3 | SEC use only | ||||||||
4 |
Source of funds (See Instructions)
WC | ||||||||
5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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6 | Citizenship or place of organization
UNITED KINGDOM
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Number of Shares Beneficially Owned by Each Reporting Person With: |
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11 | Aggregate amount beneficially owned by each reporting person
0.00 | ||||||||
12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
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13 | Percent of class represented by amount in Row (11)
0 % | ||||||||
14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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Item 1. | Security and Issuer | |
(a) | Title of Class of Securities:
Common Stock, par value $0.01 per share | |
(b) | Name of Issuer:
Ecovyst Inc. | |
(c) | Address of Issuer's Principal Executive Offices:
600 Lee Road, Suite 200, Wayne,
PENNSYLVANIA
, 19087. | |
Item 1 Comment:
This Amendment No. 7 amends and supplements the Schedule 13D filed with the Securities and Exchange Commission on March 22, 2019 (the "Original Schedule 13D"), as amended by Amendment No. 1, which was filed with the Commission on May 3, 2021, Amendment No. 2, which was filed with the Commission on May 5, 2021, Amendment No. 3, which was filed with the Commission on November 23, 2021, Amendment No. 4, which was filed with the Commission on December 20, 2021, Amendment No. 5, which was filed with the Commission on May 26, 2023, and Amendment No. 6, which was filed with the Commission on June 27, 2023. Capitalized terms used but not defined herein shall have the meanings ascribed to them in the Original Schedule 13D. This Amendment is being filed to amend and supplement Items 4 and 5 as follows: | ||
Item 4. | Purpose of Transaction | |
Item 4 of the Original Schedule 13D is hereby amended and supplemented by adding the following: On June 30, 2025, INEOS sold 9,040,415 shares of Common Stock in a private transaction to a broker-dealer at a price per share of $7.60. As a result of such sale, the Reporting Persons no longer beneficially own any shares of Common Stock or have any voting power or dispositive power over any shares of Common Stock. | ||
Item 5. | Interest in Securities of the Issuer | |
(a) | The Reporting Persons ceased to be the beneficial owners of any shares of Common Stock on June 30, 2025. | |
(b) | The Reporting Persons ceased to be the beneficial owners of any shares of Common Stock on June 30, 2025. | |
(c) | Except for the transaction described in Item 4, none of INEOS, Mr. Ratcliffe or, to the knowledge of either INEOS or Mr. Ratcliffe, any person named on Exhibit A to the Original Schedule 13D has effected any transaction in the Common Stock during the past 60 days. | |
(d) | Not applicable. | |
(e) | The Reporting Persons ceased to be the beneficial owners of more than five percent of the shares of Common Stock on June 30, 2025. |
SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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