Ecovyst Inc. SEC filings ECVT

Ecovyst Inc. has 576 filings in SEC EDGAR's recent list, going back to Jun 9, 2017. Its latest annual report, Form ARS, was filed on Apr 15, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

Form Description Filed Period
DEF 14A Proxy statement Apr 15, 2026 May 20, 2026
DEF 14A Proxy statement Apr 8, 2025 May 8, 2025
DEFA14A Additional proxy material May 6, 2024 —
DEF 14A Proxy statement Apr 8, 2024 May 8, 2024
PRE 14A Preliminary proxy statement Mar 15, 2024 May 8, 2024
DEF 14A Proxy statement Apr 13, 2023 —
DEF 14A Proxy statement Apr 29, 2022 May 26, 2022
DEF 14A Proxy statement Apr 1, 2021 Apr 29, 2021
DEF 14A Proxy statement Mar 26, 2020 Apr 30, 2020
DEFA14A Additional proxy material Apr 19, 2019 —
DEF 14A Proxy statement Mar 26, 2019 May 2, 2019
DEF 14A Proxy statement Apr 5, 2018 May 4, 2018

Showing 12 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Chemicals & Allied Products (SIC 2800)
Listed as
ECVT (NYSE)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Wayne, PA
SEC filer status
Large accelerated filer
SEC CIK
1708035
Former names
PQ Group Holdings Inc. (until Jul 23, 2021)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.