Official SEC submissions

Ecovyst SEC Filings

Ecovyst (ECVT) SEC filings, periodic reports and insider submissions.

Direct answer

Ecovyst's latest SEC filing is 4.

It was filed on August 26, 2026, and 40 recent filings are available.

Each row links directly to the SEC document and filing index.

Official SEC EDGAR submissions

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Recent SEC filings

Insider transaction

Filed: 2026-08-26

Report date: 2026-08-24

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8-K

Current report

Filed: 2026-08-24

Report date: 2026-08-21

8-K

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10-Q

Periodic report

Filed: 2026-08-06

Report date: 2026-06-30

10-Q

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8-K

Current report

Filed: 2026-08-05

Report date: 2026-08-05

8-K

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144

Planned securities sale

Filed: 2026-07-17

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8-K

Current report

Filed: 2026-06-30

Report date: 2026-06-30

8-K

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Insider transaction

Filed: 2026-06-03

Report date: 2026-06-02

FORM 4

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144

Planned securities sale

Filed: 2026-06-02

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Insider transaction

Filed: 2026-05-27

Report date: 2026-05-26

FORM 4

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8-K

Current report

Filed: 2026-05-21

Report date: 2026-05-20

8-K

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10-Q

Periodic report

Filed: 2026-05-05

Report date: 2026-03-31

10-Q

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8-K

Current report

Filed: 2026-05-05

Report date: 2026-05-05

8-K

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8-K

Current report

Filed: 2026-05-04

Report date: 2026-05-01

8-K

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DEF 14A

Proxy statement

Filed: 2026-04-15

Report date: 2026-05-20

DEF 14A

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Insider transaction

Filed: 2026-03-16

Report date: 2026-03-12

FORM 4

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Insider transaction

Filed: 2026-03-06

Report date: 2026-03-04

FORM 4

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Insider transaction

Filed: 2026-03-06

Report date: 2026-03-04

FORM 4

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10-K

Periodic report

Filed: 2026-02-27

Report date: 2025-12-31

10-K

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8-K

Current report

Filed: 2026-02-26

Report date: 2026-02-26

8-K

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-02-05

Report date: 2026-02-03

FORM 4

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Insider transaction

Filed: 2026-01-26

Report date: 2026-01-22

FORM 4

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Insider transaction

Filed: 2026-01-26

Report date: 2026-01-22

FORM 4

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Insider transaction

Filed: 2026-01-07

Report date: 2026-01-05

FORM 4

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Insider transaction

Filed: 2026-01-07

Report date: 2026-01-05

FORM 4

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8-K

Current report

Filed: 2026-01-07

Report date: 2025-12-31

8-K

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8-K

Current report

Filed: 2025-12-12

Report date: 2025-12-08

8-K

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Insider transaction

Filed: 2025-11-10

Report date: 2025-11-07

FORM 4

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144

Planned securities sale

Filed: 2025-11-07

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10-Q

Periodic report

Filed: 2025-11-05

Report date: 2025-09-30

10-Q

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8-K

Current report

Filed: 2025-11-04

Report date: 2025-11-04

8-K

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8-K

Current report

Filed: 2025-09-11

Report date: 2025-09-10

8-K

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Verified data

Recent filing categories: 5
Recent filings: 40
SEC CIK: 0001708035
Latest filing date: August 26, 2026

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