{"transactions":[{"id":842883,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-03-16T22:06:34.000Z","date":"2026-03-14","kind":"grant","planned":false,"acquired":true,"shares":2853,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":20506,"source":{"system":"sec-edgar","filing":"0001968494-26-000002","document":"wk-form4_1773698792.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000196849426000002/wk-form4_1773698792.xml","form_type":"4"}},{"id":1003067,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-12T21:51:45.000Z","date":"2025-11-11","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":31.46,"value":62920.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price.  These shares were purchased in multiple transactions at prices ranging from $31.44 to $31.48 inclusive.  The reporting person undertakes to provide to TriMas Corporation, any security holder of TriMas Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4."}],"balance_after":17653,"source":{"system":"sec-edgar","filing":"0000842633-25-000130","document":"wk-form4_1762984302.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263325000130/wk-form4_1762984302.xml","form_type":"4"}},{"id":1139633,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-21T21:35:37.000Z","date":"2025-05-19","kind":"purchase","planned":false,"acquired":true,"shares":500,"price":24.98,"value":12490.0,"ownership":{"direct":true},"balance_after":15653,"source":{"system":"sec-edgar","filing":"0000842633-25-000088","document":"wk-form4_1747863329.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263325000088/wk-form4_1747863329.xml","form_type":"4"}},{"id":1202318,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-18T20:23:19.000Z","date":"2025-03-14","kind":"grant","planned":false,"acquired":true,"shares":4140,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":15153,"source":{"system":"sec-edgar","filing":"0000842633-25-000065","document":"wk-form4_1742329390.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263325000065/wk-form4_1742329390.xml","form_type":"4"}},{"id":1237307,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-03T23:27:18.000Z","date":"2025-02-28","kind":"purchase","planned":false,"acquired":true,"shares":2500,"price":20.78,"value":51950.0,"ownership":{"direct":true},"balance_after":11013,"source":{"system":"sec-edgar","filing":"0000842633-25-000021","document":"wk-form4_1741044432.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263325000021/wk-form4_1741044432.xml","form_type":"4"}},{"id":1575695,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-03-15T23:26:42.000Z","date":"2024-03-14","kind":"grant","planned":false,"acquired":true,"shares":4068,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":8513,"source":{"system":"sec-edgar","filing":"0000842633-24-000041","document":"wk-form4_1710545192.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263324000041/wk-form4_1710545192.xml","form_type":"4"}},{"id":1604868,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-03-05T00:01:01.000Z","date":"2024-03-04","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":23.8599,"value":23859.9,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"These shares were previously reported as being held directly by the Insider but are held indirectly by the Insider's spouse."}],"balance_after":4445,"source":{"system":"sec-edgar","filing":"0000842633-24-000008","document":"wk-form4_1709596853.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263324000008/wk-form4_1709596853.xml","form_type":"4"}},{"id":1903546,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-05-05T20:38:22.000Z","date":"2023-05-04","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":25.26,"value":25260.0,"ownership":{"direct":true},"balance_after":4445,"source":{"system":"sec-edgar","filing":"0000842633-23-000071","document":"wf-form4_168331909144457.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263323000071/wf-form4_168331909144457.xml","form_type":"4"}},{"id":1955552,"issuer":{"id":4738,"kind":"organization","name":"TRIMAS CORP","symbol":"TRS"},"owners":[{"id":60854,"kind":"person","name":"Fielkow Jeffrey A","position":1,"cik":"0001968494","reported_name":"Fielkow Jeffrey A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-03-14T20:10:23.000Z","date":"2023-03-11","kind":"grant","acquired":true,"shares":3445,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":3445,"source":{"system":"sec-edgar","filing":"0000842633-23-000056","document":"wf-form4_167882460662970.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/842633/000084263323000056/wf-form4_167882460662970.xml","form_type":"4"}}]}