Company Analysis

Ecovyst Inc. (ECVT)

NYSE: ECVT · Chemicals & Allied Products · Wayne, PA · filing with the SEC since 2017
Grade4.7
◀ Past 3.3● Present 5.1▶ Future 5.4

Filings

263 filings since 2017 beside 313 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 36 days after the quarter ended. The proxy statement was last filed Apr 15, 2026.

Filings a yearinsider forms included
4952778162564649
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 10 times in the last 36 months, the newest Oct 28, 2026.Debt trigger or default notice (8-K item 2.04): 1 time in the last 36 months, the newest Jan 7, 2026.SEC letters: 5 in the last 36 months, the newest Jan 10, 2024.
Insider forms 313

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 10-Q Quarterly report Sep 30, 2026
Nov 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Nov 5, 2026 SCHEDULE 13G Large holder notice
Oct 28, 2026 8-K items 5.02, 9.01 Officer or director change · Current report Oct 22, 2026
Aug 24, 2026 8-K items 5.02, 7.01, 9.01 Officer or director change; Investor disclosure (Regulation FD) · Current report Aug 21, 2026
Aug 6, 2026 10-Q Quarterly report Jun 30, 2026
Aug 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 31, 2026 SCHEDULE 13G Large holder notice
Jul 14, 2026 SCHEDULE 13G/A Large holder update, amended
Jun 30, 2026 8-K items 1.01, 2.03, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Other event · Current report
Jun 22, 2026 11-K Employee plan annual report Dec 31, 2025
May 21, 2026 8-K item 5.07 Shareholder vote · Current report May 20, 2026
May 8, 2026 SCHEDULE 13G/A Large holder update, amended
May 5, 2026 10-Q Quarterly report Mar 31, 2026
May 5, 2026 8-K items 2.02, 9.01 Results released · Current report
May 4, 2026 8-K items 1.01, 9.01 Major agreement signed · Current report May 1, 2026
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 24, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 15, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 15, 2026 DEF 14A Proxy statement May 20, 2026
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 27, 2026 10-K Annual report Dec 31, 2025
Feb 26, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 7, 2026 8-K items 2.01, 2.04, 5.02, 9.01 Purchase or sale of a business completed; Debt trigger or default notice; Officer or director change · Current report Dec 31, 2025
Dec 12, 2025 8-K item 5.02 Officer or director change · Current report Dec 8, 2025
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 14, 2025 SCHEDULE 13G Large holder notice
Nov 5, 2025 10-Q Quarterly report Sep 30, 2025
Nov 4, 2025 8-K items 2.02, 9.01 Results released · Current report
Sep 11, 2025 8-K items 1.01, 9.01 Major agreement signed · Current report Sep 10, 2025
Aug 13, 2025 SCHEDULE 13G/A Large holder update, amended
Aug 11, 2025 8-K item 5.02 Officer or director change · Current report
Aug 7, 2025 10-Q Quarterly report Jun 30, 2025
Aug 7, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 2, 2025 SCHEDULE 13D/A Activist holder update, amended
Jun 20, 2025 11-K Employee plan annual report Dec 31, 2024
May 30, 2025 SD Conflict minerals report
May 9, 2025 8-K item 5.07 Shareholder vote · Current report May 8, 2025
May 2, 2025 10-Q Quarterly report Mar 31, 2025
May 1, 2025 8-K items 2.02, 9.01 Results released · Current report
40 of 263 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ECVT · research, not advice