{"entity":{"type":"insider","cik":"0001717992","url":"/insider/0001717992","json_url":"/insider/0001717992.json","name":"Koscinski Joseph S.","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":3,"n_filings":3,"first":"2022-05-16","last":"2024-08-06","span_basis":"filed_date"},"name_variants":[{"name":"Koscinski Joseph S.","source":"filing","n_filings":3,"first_seen":"2022-05-16","last_seen":"2024-08-06"}],"transactions":[{"id":3007595,"accession":"0001708035-24-000107","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001708035-24-000107","line_url":"/filing/0001708035-24-000107#line-1","is_derivative":false,"issuer_cik":"0001708035","issuer_name":"Ecovyst Inc.","issuer_ticker":"ECVT","issuer_name_source":null,"issuer_url":"/issuer/0001708035","owner_cik":"0001717992","owner_name":"Koscinski Joseph S.","owner_display_name":"Koscinski Joseph S.","owner_url":"/insider/0001717992","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See Remarks","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":4807.0,"shares_display":"4,807","price_per_share":6.2597,"price_display":"6.26","price_state":"stated","total_value":30090.3779,"total_display":"30,090.38","total_whole":"30,090","shares_owned_after":544609.0,"shares_owned_after_display":"544,609","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-08-05","filed_date":"2024-08-06","scope":"insider"},{"id":6533094,"accession":"0000899243-22-027994","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-22-027994","line_url":"/filing/0000899243-22-027994#line-1","is_derivative":false,"issuer_cik":"0001708035","issuer_name":"Ecovyst Inc.","issuer_ticker":"ECVT","issuer_name_source":null,"issuer_url":"/issuer/0001708035","owner_cik":"0001717992","owner_name":"Koscinski Joseph S.","owner_display_name":"Koscinski Joseph S.","owner_url":"/insider/0001717992","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See Remarks","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":11400.0,"shares_display":"11,400","price_per_share":8.7941,"price_display":"8.79","price_state":"stated","total_value":100252.74,"total_display":"100,252.74","total_whole":"100,253","shares_owned_after":454086.0,"shares_owned_after_display":"454,086","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-08-04","filed_date":"2022-08-08","scope":"insider"},{"id":6645259,"accession":"0000899243-22-018148","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000899243-22-018148","line_url":"/filing/0000899243-22-018148#line-1","is_derivative":false,"issuer_cik":"0001708035","issuer_name":"Ecovyst Inc.","issuer_ticker":"ECVT","issuer_name_source":null,"issuer_url":"/issuer/0001708035","owner_cik":"0001717992","owner_name":"Koscinski Joseph S.","owner_display_name":"Koscinski Joseph S.","owner_url":"/insider/0001717992","role":"Officer","role_mark":"O","role_mark_label":"Officer","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"See Remarks","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":5200.0,"shares_display":"5,200","price_per_share":9.6199,"price_display":"9.62","price_state":"stated","total_value":50023.48,"total_display":"50,023.48","total_whole":"50,023","shares_owned_after":442686.0,"shares_owned_after_display":"442,686","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-05-12","filed_date":"2022-05-16","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":3,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":3,"open_market":true},{"code":"S","label":"Open-market sale","n":0,"open_market":true},{"code":"M","label":"Option exercise","n":0,"open_market":false},{"code":"A","label":"Grant or award","n":0,"open_market":false},{"code":"F","label":"Tax withholding","n":0,"open_market":false},{"code":"D","label":"Disposition to the issuer","n":0,"open_market":false},{"code":"X","label":"In-the-money option exercise","n":0,"open_market":false}],"total":3},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001708035","name":"Ecovyst Inc.","url":"/issuer/0001708035","role":"Officer","n_filings":3,"first_seen":"2022-05-16","last_seen":"2024-08-06"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001717992","retrieved_at":"2026-08-25T14:01:32+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-24","last_ingest":"2026-08-25T05:24:19.374141+00:00","counts_are":{"filings":"estimate","transactions":"estimate","issuers":"estimate","insiders":"estimate"},"source":"SEC EDGAR Form 4 filings, parsed by ebomi","fault":false},"license":{"underlying_records":"US SEC filings are public records of the United States government and are not subject to copyright. The transactional facts in them are not ours to license.","this_presentation":"The parsing, normalisation, curation, and presentation are ebomi's own work.","grant":"undecided","grant_note":"The open licence for ebomi's own layer is an open owner decision (SPEC-20260731T1159Z open question 3: CC BY 4.0 or CC0 with a citation request). Until it is taken, no grant is asserted here.","citation_request":"Balogh, A. Insider trading. Scientific Data 10, 237 (2023)","url":"https://ebomi.com/license"},"fair_use":{"policy":"These JSON endpoints are open and unauthenticated. Please read them at a human pace, identify your client in the User-Agent header, and use the published dataset for bulk work rather than crawling page by page.","bulk_alternative":"doi:10.1038/s41597-023-02147-6"}}