{"transactions":[{"id":1027591,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2025-10-02T16:05:15.000Z","date":"2025-09-30","kind":"tax_withholding","planned":false,"acquired":false,"shares":2194,"price":2.35,"value":5155.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units."}],"balance_after":15898,"source":{"system":"sec-edgar","filing":"0001904241-25-000002","document":"form4-10022025_041001.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000190424125000002/form4-10022025_041001.xml","form_type":"4"}},{"id":1205902,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2025-03-14T15:14:42.000Z","date":"2025-03-14","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":4.1,"value":6150.0,"ownership":{"direct":true},"balance_after":18092,"source":{"system":"sec-edgar","filing":"0001415889-25-008057","document":"form4-03142025_070338.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588925008057/form4-03142025_070338.xml","form_type":"4"}},{"id":1205901,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2025-03-14T15:14:42.000Z","date":"2025-03-13","kind":"purchase","planned":false,"acquired":true,"shares":1100,"price":4.02,"value":4422.0,"ownership":{"direct":true},"balance_after":16592,"source":{"system":"sec-edgar","filing":"0001415889-25-008057","document":"form4-03142025_070338.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588925008057/form4-03142025_070338.xml","form_type":"4"}},{"id":1205900,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2025-03-14T15:14:42.000Z","date":"2025-03-12","kind":"purchase","planned":false,"acquired":true,"shares":1200,"price":4.28,"value":5136.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Price reflects the weighted average sales price for the sales transaction made on the date reported above. Sales prices ranged from $4.27 to $4.28. The reporting person will provide, upon request by the Staff, the Company, or a security holder of the Company, full information regarding the number of shares sold at each separate price."}],"balance_after":15492,"source":{"system":"sec-edgar","filing":"0001415889-25-008057","document":"form4-03142025_070338.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588925008057/form4-03142025_070338.xml","form_type":"4"}},{"id":1246764,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2025-02-25T12:48:37.000Z","date":"2025-02-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":767,"price":5.52,"value":4233.84,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units."}],"balance_after":14292,"source":{"system":"sec-edgar","filing":"0001415889-25-005406","document":"form4-02252025_050233.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588925005406/form4-02252025_050233.xml","form_type":"4"}},{"id":1264150,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2025-02-18T16:08:09.000Z","date":"2025-02-16","kind":"tax_withholding","planned":false,"acquired":false,"shares":197,"price":5.14,"value":1012.58,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units."}],"balance_after":15059,"source":{"system":"sec-edgar","filing":"0001415889-25-004386","document":"form4-02182025_090205.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588925004386/form4-02182025_090205.xml","form_type":"4"}},{"id":1400268,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2024-09-24T15:18:36.000Z","date":"2024-09-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":89,"price":4.49,"value":399.61,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Company to pay taxes due following the vesting of restricted stock units."}],"balance_after":15256,"source":{"system":"sec-edgar","filing":"0001415889-24-023889","document":"form4-09242024_070932.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588924023889/form4-09242024_070932.xml","form_type":"4"}},{"id":1622893,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP AND TREASURER"}}],"security":"Ordinary Shares","published_at":"2024-02-23T16:19:33.000Z","date":"2024-02-21","kind":"grant","planned":false,"acquired":true,"shares":8747,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents ordinary shares issuable pursuant to RSU awards that will vest in three equal annual installments beginning on the first anniversary of the date of grant."}],"balance_after":15345,"source":{"system":"sec-edgar","filing":"0001415889-24-005015","document":"form4-02232024_090200.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000141588924005015/form4-02232024_090200.xml","form_type":"4"}},{"id":1987565,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP and Treasurer"}}],"security":"Ordinary Shares","published_at":"2023-02-28T17:28:30.000Z","date":"2023-02-25","kind":"tax_withholding","acquired":false,"shares":1434,"price":24.3,"value":34846.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units."}],"balance_after":6598,"source":{"system":"sec-edgar","filing":"0001567619-23-003963","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000156761923003963/doc1.xml","form_type":"4"}},{"id":1993655,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP and Treasurer"}}],"security":"Option to Purchase Ordinary Shares","published_at":"2023-02-24T17:52:01.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":2250,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":2250,"derivative":{"exercise_price":24.08,"expiration_date":"2032-02-22","underlying":"Ordinary Shares","underlying_shares":2250},"source":{"system":"sec-edgar","filing":"0001567619-23-003781","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000156761923003781/doc1.xml","form_type":"4"}},{"id":1993654,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP and Treasurer"}}],"security":"Ordinary Shares","published_at":"2023-02-24T17:52:01.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":2367,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents ordinary shares issuable pursuant to RSU award that will vest in full on the third anniversary of the grant."}],"balance_after":8032,"source":{"system":"sec-edgar","filing":"0001567619-23-003781","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000156761923003781/doc1.xml","form_type":"4"}},{"id":2365900,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP and Treasurer"}}],"security":"Ordinary Shares","published_at":"2022-03-01T16:34:53.000Z","date":"2022-02-26","kind":"tax_withholding","acquired":false,"shares":68,"price":53.82,"value":3659.76,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld by the Company to pay taxes due following the vesting of previously granted restricted stock units."}],"balance_after":5665,"source":{"system":"sec-edgar","filing":"0001179110-22-001798","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000117911022001798/edgar.xml","form_type":"4"}},{"id":2385780,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Treasurer"}}],"security":"Ordinary Shares","published_at":"2022-02-18T17:05:54.000Z","date":"2022-02-16","kind":"grant","acquired":true,"shares":1544,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option vests in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":1544,"derivative":{"exercise_price":58.64,"expiration_date":"2031-02-16","underlying":"Ordinary Shares","underlying_shares":1544},"source":{"system":"sec-edgar","filing":"0001179110-22-001444","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000117911022001444/edgar.xml","form_type":"4"}},{"id":2385779,"issuer":{"id":8671,"kind":"organization","name":"Trinseo PLC"},"owners":[{"id":74655,"kind":"person","name":"Frisch Johanna","position":1,"cik":"0001904241","reported_name":"Frisch Johanna","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Treasurer"}}],"security":"Ordinary Shares","published_at":"2022-02-18T17:05:54.000Z","date":"2022-02-16","kind":"grant","acquired":true,"shares":1394,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents ordinary shares issuable pursuant to RSU award that will vest in full on the third anniversary of the grant."}],"balance_after":5733,"source":{"system":"sec-edgar","filing":"0001179110-22-001444","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1904241/000117911022001444/edgar.xml","form_type":"4"}}]}