Ecovyst Inc. (ECVT) Form 8-K Material Events
Ecovyst Inc. (ECVT) is a publicly traded company on the NYSE, categorized under SIC 2800 (Chemicals & Allied Products). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: ECVT
CIK: 1708035
Exchange: NYSE
SIC 2800: Chemicals & Allied Products
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
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Audit Firm
PricewaterhouseCoopers LLP
Auditor SinceSince 12/31/2025 12:00:00 AM
Lead Engagement PartnerCassandra Moran
Audit LocationPhiladelphia, Pennsylvania, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 4 | 2026-09-14 | 2026-09-10 | FORM 4 | 0001708035-26-000099 | View SEC Doc Filr Page |
| 4 | 2026-08-26 | 2026-08-24 | 4 | 0001193125-26-368534 | View SEC Doc Filr Page |
| 3 | 2026-08-26 | 2026-08-24 | 3 | 0001193125-26-368531 | View SEC Doc Filr Page |
| 8-K | 2026-08-24 | 2026-08-21 | 8-K | 0001193125-26-361724 | View SEC Doc Filr Page |
| 10-Q | 2026-08-06 | 2026-06-30 | 10-Q | 0001708035-26-000090 | View SEC Doc Filr Page |
| 8-K | 2026-08-05 | 2026-08-05 | 8-K | 0001708035-26-000087 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-07-31 | — | SCHEDULE 13G Filing | 0002100121-26-000919 | View SEC Doc Filr Page |
| 144 | 2026-07-17 | — | 144 Filing | 0001950047-26-007200 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-14 | — | SCHEDULE 13G/A Filing | 0000354204-26-000790 | View SEC Doc Filr Page |
| 8-K | 2026-06-30 | 2026-06-30 | 8-K | 0001193125-26-290479 | View SEC Doc Filr Page |
| 11-K | 2026-06-22 | 2025-12-31 | 11-K | 0001708035-26-000083 | View SEC Doc Filr Page |
| 4 | 2026-06-03 | 2026-06-02 | FORM 4 | 0001708035-26-000079 | View SEC Doc Filr Page |
| 144 | 2026-06-02 | — | 144 Filing | 0001950047-26-005519 | View SEC Doc Filr Page |
| 4 | 2026-05-27 | 2026-05-26 | FORM 4 | 0001708035-26-000077 | View SEC Doc Filr Page |
| 3 | 2026-05-26 | 2026-05-20 | FORM 3 | 0001708035-26-000076 | View SEC Doc Filr Page |
| 8-K | 2026-05-21 | 2026-05-20 | 8-K | 0001708035-26-000070 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-08 | — | SCHEDULE 13G/A Filing | 0001172661-26-001634 | View SEC Doc Filr Page |
| 10-Q | 2026-05-05 | 2026-03-31 | 10-Q | 0001708035-26-000067 | View SEC Doc Filr Page |
| 8-K | 2026-05-05 | 2026-05-05 | 8-K | 0001708035-26-000063 | View SEC Doc Filr Page |
| 8-K | 2026-05-04 | 2026-05-01 | 8-K | 0001193125-26-202584 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-29 | — | SCHEDULE 13G Filing | 0002100119-26-000384 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-04-24 | — | SCHEDULE 13G/A Filing | 0002012383-26-001442 | View SEC Doc Filr Page |
| ARS | 2026-04-15 | 2025-12-31 | ARS | 0001140361-26-014839 | View SEC Doc Filr Page |
| DEF 14A | 2026-04-15 | 2026-05-20 | DEF 14A | 0001140361-26-014838 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-26 | — | SCHEDULE 13G/A Filing | 0000102909-26-001185 | View SEC Doc Filr Page |