{"entity":{"type":"insider","cik":"0001863408","url":"/insider/0001863408","json_url":"/insider/0001863408.json","name":"Aboud Matt","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":5,"n_filings":4,"first":"2023-05-15","last":"2026-03-04","span_basis":"filed_date"},"name_variants":[{"name":"Aboud Matt","source":"filing","n_filings":4,"first_seen":"2023-05-15","last_seen":"2026-03-04"}],"transactions":[{"id":6172996,"accession":"0001628280-26-014882","txn_seq":2,"anchor":"line-2","filing_url":"/filing/0001628280-26-014882","line_url":"/filing/0001628280-26-014882#line-2","is_derivative":false,"issuer_cik":"0000949157","issuer_name":"CENTURY ALUMINUM CO","issuer_ticker":"CENX","issuer_name_source":null,"issuer_url":"/issuer/0000949157","owner_cik":"0001863408","owner_name":"Aboud Matt","owner_display_name":"Aboud Matt","owner_url":"/insider/0001863408","role":"Officer (SVP, Strategy & Business Dev't)","role_mark":"O","role_mark_label":"Officer (SVP, Strategy & Business Dev't)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Strategy & Business Dev't","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2971.0,"shares_display":"2,971","price_per_share":52.67,"price_display":"52.67","price_state":"stated","total_value":156482.57,"total_display":"156,482.57","total_whole":"156,483","shares_owned_after":64843.0,"shares_owned_after_display":"64,843","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-03","filed_date":"2026-03-04","scope":"insider"},{"id":6172992,"accession":"0001628280-26-014882","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001628280-26-014882","line_url":"/filing/0001628280-26-014882#line-1","is_derivative":false,"issuer_cik":"0000949157","issuer_name":"CENTURY ALUMINUM CO","issuer_ticker":"CENX","issuer_name_source":null,"issuer_url":"/issuer/0000949157","owner_cik":"0001863408","owner_name":"Aboud Matt","owner_display_name":"Aboud Matt","owner_url":"/insider/0001863408","role":"Officer (SVP, Strategy & Business Dev't)","role_mark":"O","role_mark_label":"Officer (SVP, Strategy & Business Dev't)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Strategy & Business Dev't","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12126.0,"shares_display":"12,126","price_per_share":52.5,"price_display":"52.50","price_state":"stated","total_value":636615.0,"total_display":"636,615.00","total_whole":"636,615","shares_owned_after":67814.0,"shares_owned_after_display":"67,814","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-03-02","filed_date":"2026-03-04","scope":"insider"},{"id":4517841,"accession":"0001863408-25-000004","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0001863408-25-000004","line_url":"/filing/0001863408-25-000004#line-1","is_derivative":false,"issuer_cik":"0000949157","issuer_name":"CENTURY ALUMINUM CO","issuer_ticker":"CENX","issuer_name_source":null,"issuer_url":"/issuer/0000949157","owner_cik":"0001863408","owner_name":"Aboud Matt","owner_display_name":"Aboud Matt","owner_url":"/insider/0001863408","role":"Officer (SVP, Strategy & Business Dev't)","role_mark":"O","role_mark_label":"Officer (SVP, Strategy & Business Dev't)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Strategy & Business Dev't","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":12027.0,"shares_display":"12,027","price_per_share":23.27,"price_display":"23.27","price_state":"stated","total_value":279868.29,"total_display":"279,868.29","total_whole":"279,868","shares_owned_after":62589.0,"shares_owned_after_display":"62,589","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-08-12","filed_date":"2025-08-14","scope":"insider"},{"id":2174504,"accession":"0000949157-24-000022","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000949157-24-000022","line_url":"/filing/0000949157-24-000022#line-1","is_derivative":false,"issuer_cik":"0000949157","issuer_name":"CENTURY ALUMINUM CO","issuer_ticker":"CENX","issuer_name_source":null,"issuer_url":"/issuer/0000949157","owner_cik":"0001863408","owner_name":"Aboud Matt","owner_display_name":"Aboud Matt","owner_url":"/insider/0001863408","role":"Officer (SVP, Strategy & Business Dev't)","role_mark":"O","role_mark_label":"Officer (SVP, Strategy & Business Dev't)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Strategy & Business Dev't","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3766.0,"shares_display":"3,766","price_per_share":10.61,"price_display":"10.61","price_state":"stated","total_value":39957.26,"total_display":"39,957.26","total_whole":"39,957","shares_owned_after":59248.0,"shares_owned_after_display":"59,248","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-04","filed_date":"2024-03-06","scope":"insider"},{"id":7800791,"accession":"0000949157-23-000038","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000949157-23-000038","line_url":"/filing/0000949157-23-000038#line-1","is_derivative":false,"issuer_cik":"0000949157","issuer_name":"CENTURY ALUMINUM CO","issuer_ticker":"CENX","issuer_name_source":null,"issuer_url":"/issuer/0000949157","owner_cik":"0001863408","owner_name":"Aboud Matt","owner_display_name":"Aboud Matt","owner_url":"/insider/0001863408","role":"Officer (SVP, Strategy & Business Dev't)","role_mark":"O","role_mark_label":"Officer (SVP, Strategy & Business Dev't)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"SVP, Strategy & Business Dev't","security_title":"Common Stock","transaction_code":"P","transaction_label":"Open-market purchase","open_market":true,"acquired_disposed":"A","direction_word":"acquired","shares":18000.0,"shares_display":"18,000","price_per_share":7.25,"price_display":"7.25","price_state":"stated","total_value":130500.0,"total_display":"130,500.00","total_whole":"130,500","shares_owned_after":46678.0,"shares_owned_after_display":"46,678","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-05-11","filed_date":"2023-05-15","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":5,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":1,"open_market":true},{"code":"S","label":"Open-market sale","n":4,"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":5},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0000949157","name":"CENTURY ALUMINUM CO","url":"/issuer/0000949157","role":"Officer (SVP, Strategy & Business Dev't)","n_filings":4,"first_seen":"2023-05-15","last_seen":"2026-03-04"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001863408","retrieved_at":"2026-08-24T21:28:45+00:00","coverage":{"filings":1506293,"transactions":4290787,"issuers":28597,"insiders":152303,"first_filed_date":"2003-06-30","last_filed_date":"2026-08-21","last_ingest":"2026-08-22T05:23:40.159918+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"}}