Company filings profile · CIK 0001708035

Ecovyst Inc. — SEC filings & insider activity.

Real, source-linked SEC EDGAR activity for Ecovyst Inc. (ECVT): 12 filings in the last 90 days vs 13 in the prior 90 (filing-velocity steady · 0.92×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.

✔ Verified against the public SEC EDGAR filing record as of Aug 5, 2026. Source-linked, daily-refreshed.

Material 8-K events — Ecovyst Inc.

8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).

FiledEvent
Aug 5, 2026Results of Operations (earnings); Financial Statements and Exhibits
Jun 30, 2026Entry into a Material Agreement; Material Direct Financial Obligation; Other Events; Financial Statements and Exhibits
May 21, 2026Item 5.07
May 5, 2026Results of Operations (earnings); Financial Statements and Exhibits
May 4, 2026Entry into a Material Agreement; Financial Statements and Exhibits
Feb 26, 2026Results of Operations (earnings); Financial Statements and Exhibits
Jan 7, 2026Completion of Acquisition/Disposition; Triggering Event on a Financial Obligation; Departure/Election of Directors or Officers; Financial Statements and Exhibits

Watch Ecovyst Inc. automatically

Add this company to a watchlist and get a webhook/email the moment it files a material 8-K, an insider Form 4, or changes its risk-factor language.

Insider transactions (Form 4 / 3 / 5)

FiledForm
Jun 3, 20264
May 27, 20264
May 26, 20263
Mar 16, 20264
Mar 6, 20264
Mar 6, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Feb 5, 20264
Jan 26, 20264
Jan 26, 20264
Jan 7, 20264
Jan 7, 20264

Recent filings

FiledFormDetail
Aug 5, 20268-K Results of Operations (earnings); Financial Statements and Exhibits
Jul 31, 2026SCHEDULE 13G
Jul 17, 2026144
Jul 14, 2026SCHEDULE 13G/A
Jun 30, 20268-K Entry into a Material Agreement; Material Direct Financial Obligation; Other Events; Financial Statements and Exhibits
Jun 22, 202611-K 11-K
Jun 3, 20264 FORM 4
Jun 2, 2026144
May 27, 20264 FORM 4
May 26, 20263 FORM 3
May 21, 20268-K Item 5.07
May 8, 2026SCHEDULE 13G/A
May 5, 202610-Q 10-Q
May 5, 20268-K Results of Operations (earnings); Financial Statements and Exhibits
May 4, 20268-K Entry into a Material Agreement; Financial Statements and Exhibits
Apr 29, 2026SCHEDULE 13G
Apr 24, 2026SCHEDULE 13G/A
Apr 15, 2026ARS ARS
Apr 15, 2026DEF 14A DEF 14A
Mar 26, 2026SCHEDULE 13G/A
Mar 16, 20264 FORM 4
Mar 6, 20264 FORM 4
Mar 6, 20264 FORM 4
Feb 27, 202610-K 10-K
Feb 26, 20268-K Results of Operations (earnings); Financial Statements and Exhibits
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Feb 5, 20264 FORM 4
Jan 26, 20264 FORM 4
Jan 26, 20264 FORM 4
Jan 7, 20264 FORM 4
Jan 7, 20264 FORM 4
Jan 7, 20268-K Completion of Acquisition/Disposition; Triggering Event on a Financial Obligation; Departure/Election of Directors or Officers; Financial Statements and Exhibits