{"entity":{"type":"insider","cik":"0001860129","url":"/insider/0001860129","json_url":"/insider/0001860129.json","name":"Mell Scott A","name_source":"as-filed","also_issuer":false,"cross_url":null},"coverage_statement":{"n_transactions":11,"n_filings":10,"first":"2022-09-07","last":"2026-05-11","span_basis":"filed_date"},"name_variants":[{"name":"Mell Scott A","source":"filing","n_filings":10,"first_seen":"2022-09-07","last_seen":"2026-05-11"}],"transactions":[{"id":6134894,"accession":"0001193125-26-216801","txn_seq":3,"anchor":"line-3","filing_url":"/filing/0001193125-26-216801","line_url":"/filing/0001193125-26-216801","is_derivative":false,"issuer_cik":"0001411207","issuer_name":"Allison Transmission Holdings Inc","issuer_ticker":"ALSN","issuer_name_source":null,"issuer_url":"/issuer/0001411207","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (CFO & Treasurer)","role_mark":"O","role_mark_label":"Officer (CFO & Treasurer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"CFO & Treasurer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2270.0,"shares_display":"2,270","price_per_share":125.0,"price_display":"125.00","price_state":"stated","total_value":283750.0,"total_display":"283,750.00","total_whole":"283,750","shares_owned_after":1053.0,"shares_owned_after_display":"1,053","ownership_form":"D","is_10b5_1":null,"transaction_date":"2026-05-08","filed_date":"2026-05-11","scope":"insider","n_lines":2},{"id":4161293,"accession":"0000842633-25-000031","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-25-000031","line_url":"/filing/0000842633-25-000031#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2218.219,"shares_display":"2,218.22","price_per_share":22.541,"price_display":"22.54","price_state":"stated","total_value":50000.874479,"total_display":"50,000.87","total_whole":"50,001","shares_owned_after":26287.781,"shares_owned_after_display":"26,287.78","ownership_form":"D","is_10b5_1":null,"transaction_date":"2025-03-06","filed_date":"2025-03-07","scope":"insider"},{"id":2232094,"accession":"0000842633-24-000084","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-24-000084","line_url":"/filing/0000842633-24-000084#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":2000.0,"shares_display":"2,000","price_per_share":25.94,"price_display":"25.94","price_state":"stated","total_value":51880.0,"total_display":"51,880.00","total_whole":"51,880","shares_owned_after":28506.0,"shares_owned_after_display":"28,506","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-11-19","filed_date":"2024-11-20","scope":"insider"},{"id":2379233,"accession":"0000842633-24-000064","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-24-000064","line_url":"/filing/0000842633-24-000064#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1500.0,"shares_display":"1,500","price_per_share":27.295,"price_display":"27.30","price_state":"stated","total_value":40942.5,"total_display":"40,942.50","total_whole":"40,943","shares_owned_after":31923.0,"shares_owned_after_display":"31,923","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-05-21","filed_date":"2024-05-23","scope":"insider"},{"id":2974948,"accession":"0000842633-24-000010","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-24-000010","line_url":"/filing/0000842633-24-000010#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":3500.0,"shares_display":"3,500","price_per_share":24.3114,"price_display":"24.31","price_state":"stated","total_value":85089.9,"total_display":"85,089.90","total_whole":"85,090","shares_owned_after":21128.0,"shares_owned_after_display":"21,128","ownership_form":"D","is_10b5_1":null,"transaction_date":"2024-03-05","filed_date":"2024-03-06","scope":"insider"},{"id":8693710,"accession":"0000842633-23-000120","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-23-000120","line_url":"/filing/0000842633-23-000120#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1036.0,"shares_display":"1,036","price_per_share":24.165,"price_display":"24.16","price_state":"stated","total_value":25034.94,"total_display":"25,034.94","total_whole":"25,035","shares_owned_after":24628.0,"shares_owned_after_display":"24,628","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-10-31","filed_date":"2023-11-01","scope":"insider"},{"id":8420513,"accession":"0000842633-23-000104","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-23-000104","line_url":"/filing/0000842633-23-000104#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1200.0,"shares_display":"1,200","price_per_share":25.8,"price_display":"25.80","price_state":"stated","total_value":30960.0,"total_display":"30,960.00","total_whole":"30,960","shares_owned_after":25664.0,"shares_owned_after_display":"25,664","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-08-03","filed_date":"2023-08-04","scope":"insider"},{"id":8387219,"accession":"0000842633-23-000080","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-23-000080","line_url":"/filing/0000842633-23-000080#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":1150.0,"shares_display":"1,150","price_per_share":25.41,"price_display":"25.41","price_state":"stated","total_value":29221.5,"total_display":"29,221.50","total_whole":"29,222","shares_owned_after":28518.0,"shares_owned_after_display":"28,518","ownership_form":"D","is_10b5_1":null,"transaction_date":"2023-05-12","filed_date":"2023-05-15","scope":"insider"},{"id":6619316,"accession":"0000842633-22-000089","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-22-000089","line_url":"/filing/0000842633-22-000089#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":789.0,"shares_display":"789","price_per_share":25.35,"price_display":"25.35","price_state":"stated","total_value":20001.15,"total_display":"20,001.15","total_whole":"20,001","shares_owned_after":20755.0,"shares_owned_after_display":"20,755","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-11-09","filed_date":"2022-11-10","scope":"insider"},{"id":6690611,"accession":"0000842633-22-000078","txn_seq":1,"anchor":"line-1","filing_url":"/filing/0000842633-22-000078","line_url":"/filing/0000842633-22-000078#line-1","is_derivative":false,"issuer_cik":"0000842633","issuer_name":"TRIMAS CORP","issuer_ticker":"TRS","issuer_name_source":null,"issuer_url":"/issuer/0000842633","owner_cik":"0001860129","owner_name":"Mell Scott A","owner_display_name":"Mell Scott A","owner_url":"/insider/0001860129","role":"Officer (Chief Financial Officer)","role_mark":"O","role_mark_label":"Officer (Chief Financial Officer)","role_mark_generic":"Officer","n_reporting_owners":null,"other_reporting_owners":null,"officer_title":"Chief Financial Officer","security_title":"Common Stock","transaction_code":"S","transaction_label":"Open-market sale","open_market":true,"acquired_disposed":"D","direction_word":"disposed","shares":757.0,"shares_display":"757","price_per_share":26.46,"price_display":"26.46","price_state":"stated","total_value":20030.22,"total_display":"20,030.22","total_whole":"20,030","shares_owned_after":21544.0,"shares_owned_after_display":"21,544","ownership_form":"D","is_10b5_1":null,"transaction_date":"2022-09-06","filed_date":"2022-09-07","scope":"insider"}],"collapsed":true,"next_cursor":null,"ledger_fault":false,"count":{"value":11,"kind":"exact"},"open_market_only":false,"composition":{"kind":"exact","rows":[{"code":"P","label":"Open-market purchase","n":0,"open_market":true},{"code":"S","label":"Open-market sale","n":11,"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":11},"affiliations":[{"type":"issuer","type_label":"ISSUER","cik":"0001411207","name":"Allison Transmission Holdings Inc","url":"/issuer/0001411207","role":"Officer (CFO & Treasurer)","n_filings":1,"first_seen":"2026-05-11","last_seen":"2026-05-11"},{"type":"issuer","type_label":"ISSUER","cik":"0000842633","name":"TRIMAS CORP","url":"/issuer/0000842633","role":"Officer (Chief Financial Officer)","n_filings":9,"first_seen":"2022-09-07","last_seen":"2025-03-07"}],"order_statement":"Newest transaction date first, id breaking the tie.","canonical_url":"https://ebomi.com/insider/0001860129","retrieved_at":"2026-08-22T18:14:14+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"}}