ECVT - CIK 0001708035
Ecovyst Inc. has filed 558 documents with the SEC between 2017 and 2026. The most frequent type is insider trade (262 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Annual report to shareholders | ARS | 2024-04-08 | 2023-12-31 |
| Proxy statement | DEF 14A | 2024-04-08 | 2024-05-08 |
| Insider trade | 4 | 2024-03-26 | 2024-03-22 |
| Insider sale notice | 144 | 2024-03-22 | - |
| PRE 14A | - | 2024-03-15 | 2024-05-08 |
| Insider trade | 4 | 2024-03-12 | 2024-03-08 |
| New insider ownership | 3 | 2024-03-08 | 2024-03-01 |
| Annual report | 10-K | 2024-02-29 | 2023-12-31 |
| Major company event | 8-K | 2024-02-28 | 2024-02-28 |
| Major company event | 8-K | 2024-02-28 | 2024-02-22 |
| Passive ownership stake | SC 13G | 2024-02-13 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-02-13 | - |
| Passive ownership stake (update) | SC 13G/A | 2024-02-12 | - |
| Passive ownership stake | SC 13G | 2024-02-09 | - |
| Passive ownership stake | SC 13G | 2024-01-26 | - |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| Insider trade | 4 | 2024-01-24 | 2024-01-22 |
| SEC correspondence | UPLOAD | 2024-01-10 | - |
| Insider trade | 4 | 2024-01-09 | 2024-01-05 |
| Insider trade | 4 | 2024-01-09 | 2024-01-05 |
| Insider trade | 4 | 2024-01-09 | 2024-01-05 |
| Insider trade | 4 | 2024-01-09 | 2024-01-05 |
| Company correspondence | CORRESP | 2024-01-04 | - |
| SEC correspondence | UPLOAD | 2023-12-19 | - |
| Major company event | 8-K | 2023-12-18 | 2023-12-12 |
| Company correspondence | CORRESP | 2023-11-30 | - |
| Major company event | 8-K | 2023-11-28 | 2023-11-28 |
| SEC correspondence | UPLOAD | 2023-11-17 | - |
| Quarterly report | 10-Q | 2023-11-03 | 2023-09-30 |
| Major company event | 8-K | 2023-11-02 | 2023-11-02 |
| Insider trade | 4 | 2023-08-25 | 2023-08-23 |
| Insider trade | 4 | 2023-08-25 | 2023-08-23 |
| Quarterly report | 10-Q | 2023-08-08 | 2023-06-30 |
| Major company event | 8-K | 2023-08-03 | 2023-08-03 |
| Insider trade | 4 | 2023-07-05 | 2023-07-01 |
| Insider trade | 4 | 2023-07-05 | 2023-07-01 |
| Insider trade | 4 | 2023-07-05 | 2023-07-01 |
| Insider trade | 4 | 2023-07-05 | 2023-07-01 |
| Employee plan annual report | 11-K | 2023-06-27 | 2022-12-31 |
| Activist ownership stake (update) | SC 13D/A | 2023-06-27 | - |