Ecovyst Inc.

NYSE: ECVT
Share price (10/7/25): $8.30
Market cap (10/7/25): $950 million

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Articles of Incorporation Filter

from 8-K 2 pages Certificate of Amendment to the Second Restated Certificate of Incorporation of Ecovyst Inc. Article V—board of Directors

from 10-Q ~1 page State of Delaware Certificate of Correction

from 8-K 14 pages Second Amended and Restated Bylaws of Ecovyst Inc. Section 1 — Stockholders

from 8-K 1 page State of Delaware Certificate of Amendment of Certificate of Incorporation

from 10-Q 12 pages Second Restated Certificate of Incorporation of Pq Group Holdings Inc

from S-1/A 18 pages Amended and Restated Bylaws of Pq Group Holdings Inc. Section 1 — Stockholders

from S-1/A 12 pages Second Restated Certificate of Incorporation of Pq Group Holdings Inc