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Midas Edge

Ecovyst Inc.

For the period ended Sep 30, 2026. Filed Nov 5, 2026.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Nov 5, 2026

ECVT$10.76+2.6%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

The following exhibits are being filed or furnished as part of this Quarterly Report on Form 10-Q:

Exhibit No.Description
10.1*Offer Letter, effective as of June 23, 2026, between Ecovyst Catalyst Technologies LLC and Laurie Bergman
10.2*Transition Agreement and General Release, dated September 30, 2026, by and between Ecovyst Catalyst Technologies LLC and Michael Feehan
31.1Certification of Chief Executive Officer of Ecovyst Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2Certification of Chief Financial Officer of Ecovyst Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1Certification of Chief Executive Officer of Ecovyst Inc. pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2Certification of Chief Financial Officer of Ecovyst Inc. pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101The following materials from the Quarterly Report on Form 10-Q of Ecovyst Inc. for the quarter ended September 30, 2026, formatted in Inline XBRL: (i) Condensed Consolidated Statements Of Income (Loss), (ii) Condensed Consolidated Statements Of Comprehensive Income (Loss), (iii) Condensed Consolidated Balance Sheets, (iv) Condensed Consolidated Statements of Stockholders’ Equity, (v) Condensed Consolidated Statements of Cash Flows, (vi) Notes to Condensed Consolidated Financial Statements and (vii) document and entity information, tagged as blocks of text and including detailed tags
104The cover page from the Quarterly Report on Form 10-Q of Ecovyst Inc. for the quarter ended September 30, 2026, formatted in Inline XBRL and included as Exhibit 101
  • Management contract or compensatory plan
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.