Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001708035-26-000053
Filing Date
2026-02-27
Accepted
2026-02-27 16:01:33
Documents
159
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K ecvt-20251231.htm   iXBRL 10-K 3463805
2 EX-4.1 ex41-descriptionofcommonst.htm EX-4.1 19649
3 EX-21.1 ex211-subsidiarylistingx12.htm EX-21.1 6565
4 EX-23.1 ex231-consentofpwcxecovyst.htm EX-23.1 2203
5 EX-23.2 ex232-consentofpwcxzix1231.htm EX-23.2 2094
6 EX-31.1 ex311-sec302ceocertx123120.htm EX-31.1 11150
7 EX-31.2 ex312-sec302cfocertx123120.htm EX-31.2 11382
8 EX-32.1 ex321-sec906ceocertx123120.htm EX-32.1 5670
9 EX-32.2 ex322-sec906cfocertx123120.htm EX-32.2 5874
15 GRAPHIC ecvt-20251231_g1.jpg GRAPHIC 48939
16 GRAPHIC ecvt-20251231_g2.jpg GRAPHIC 104091
  Complete submission text file 0001708035-26-000053.txt   18851335

Data Files

Seq Description Document Type Size
10 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT ecvt-20251231.xsd EX-101.SCH 102058
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT ecvt-20251231_cal.xml EX-101.CAL 187553
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT ecvt-20251231_def.xml EX-101.DEF 605924
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT ecvt-20251231_lab.xml EX-101.LAB 1269963
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT ecvt-20251231_pre.xml EX-101.PRE 1009702
162 EXTRACTED XBRL INSTANCE DOCUMENT ecvt-20251231_htm.xml XML 3329323
Mailing Address 600 LEE ROAD, SUITE 200 WAYNE PA 19087
Business Address 600 LEE ROAD, SUITE 200 WAYNE PA 19087 484-617-1200
Ecovyst Inc. (Filer) CIK: 0001708035 (see all company filings)

EIN.: 813406833 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-38221 | Film No.: 26699452
SIC: 2800 Chemicals & Allied Products
(CF Office: 08 Industrial Applications and Services)