Ecovyst Inc. - ECVT

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 16
Latest filed: Sep 14, 2026
Form Count
8-K 6
4 4
SCHEDULE 13G 2
144 2
SCHEDULE 13G/A 2

Latest files

Filed Form Report period Accession SEC
Sep 14, 2026 4 Sep 10, 2026 0001708035-26-000099 View
Aug 26, 2026 4 Aug 24, 2026 0001193125-26-368534 View
Aug 24, 2026 8-K Aug 21, 2026 0001193125-26-361724 View
Aug 05, 2026 8-K Aug 05, 2026 0001708035-26-000087 View
Jul 31, 2026 SCHEDULE 13G — 0002100121-26-000919 View
Jul 17, 2026 144 — 0001950047-26-007200 View
Jul 14, 2026 SCHEDULE 13G/A — 0000354204-26-000790 View
Jun 30, 2026 8-K Jun 30, 2026 0001193125-26-290479 View
Jun 03, 2026 4 Jun 02, 2026 0001708035-26-000079 View
Jun 02, 2026 144 — 0001950047-26-005519 View
May 27, 2026 4 May 26, 2026 0001708035-26-000077 View
May 21, 2026 8-K May 20, 2026 0001708035-26-000070 View
May 08, 2026 SCHEDULE 13G/A — 0001172661-26-001634 View
May 05, 2026 8-K May 05, 2026 0001708035-26-000063 View
May 04, 2026 8-K May 01, 2026 0001193125-26-202584 View
Apr 29, 2026 SCHEDULE 13G — 0002100119-26-000384 View