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Each restricted stock unit represents the right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The 68,499  restricted stock units vest and are settled as follows:(i) 37,885 restricted stock units in February 2026, (ii) and 30,614 restricted stock units in February 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The 68,499  restricted stock units vest and are settled as follows:(i) 37,885 restricted stock units in February 2026, (ii) and 30,614 restricted stock units in February 2027."}],"balance_after":68499,"derivative":{"underlying":"Ordinary Shares","underlying_shares":754},"source":{"system":"sec-edgar","filing":"0001628280-25-058149","document":"wk-form4_1766163159.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000162828025058149/wk-form4_1766163159.xml","form_type":"4"}},{"id":962221,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See remarks"}}],"security":"Ordinary Shares","published_at":"2025-12-19T16:52:43.000Z","date":"2025-12-18","kind":"grant","planned":false,"acquired":true,"shares":212,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 19,236 restricted stock units which are scheduled to vest in three equal annual installments beginning on March 11, 2026, the first anniversary of the grant date."}],"balance_after":99136,"source":{"system":"sec-edgar","filing":"0001628280-25-058149","document":"wk-form4_1766163159.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000162828025058149/wk-form4_1766163159.xml","form_type":"4"}},{"id":1034896,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See remarks"}}],"security":"Restricted Stock Units (PSP)","published_at":"2025-09-22T13:26:21.000Z","date":"2025-09-18","kind":"grant","planned":false,"acquired":true,"shares":653,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The 67,745 restricted stock units vest and are settled as follows:(i) 37,468 restricted stock units in February 2026, (ii) and 30,277 restricted stock units in February 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The 67,745 restricted stock units vest and are settled as follows:(i) 37,468 restricted stock units in February 2026, (ii) and 30,277 restricted stock units in February 2027."}],"balance_after":67745,"derivative":{"underlying":"Ordinary Shares","underlying_shares":653},"source":{"system":"sec-edgar","filing":"0001104659-25-091937","document":"tm2526572-18_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465925091937/tm2526572-18_4seq1.xml","form_type":"4"}},{"id":1034895,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See remarks"}}],"security":"Ordinary Shares","published_at":"2025-09-22T13:26:21.000Z","date":"2025-09-18","kind":"grant","planned":false,"acquired":true,"shares":183,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 19,024 restricted stock units which are scheduled to vest in three equal annual installments beginning on March 11, 2026, the first anniversary of the grant date."}],"balance_after":98924,"source":{"system":"sec-edgar","filing":"0001104659-25-091937","document":"tm2526572-18_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465925091937/tm2526572-18_4seq1.xml","form_type":"4"}},{"id":1104065,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"see remarks"}}],"security":"Restricted Stock Units (PSP)","published_at":"2025-06-23T19:00:14.000Z","date":"2025-06-18","kind":"grant","planned":false,"acquired":true,"shares":674,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The 67,092 restricted stock units vest and are settled as follows: (i) 37,107restricted stock units in February 2026, (ii) and 29,985 restricted stock units in February 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The 67,092 restricted stock units vest and are settled as follows: (i) 37,107restricted stock units in February 2026, (ii) and 29,985 restricted stock units in February 2027."}],"balance_after":67092,"derivative":{"underlying":"Ordinary Shares","underlying_shares":674},"source":{"system":"sec-edgar","filing":"0001062993-25-012028","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299325012028/form4.xml","form_type":"4"}},{"id":1104064,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"see remarks"}}],"security":"Ordinary Shares","published_at":"2025-06-23T19:00:14.000Z","date":"2025-06-18","kind":"grant","planned":false,"acquired":true,"shares":189,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 18,841 restricted stock units which are scheduled to vest in three equal annual installments beginning on March 11, 2026, the first anniversary of the grant date."}],"balance_after":98741,"source":{"system":"sec-edgar","filing":"0001062993-25-012028","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299325012028/form4.xml","form_type":"4"}},{"id":1195929,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units (PSP)","published_at":"2025-03-20T22:11:59.000Z","date":"2025-03-18","kind":"grant","planned":false,"acquired":true,"shares":628,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In accordance with the terms of outstanding restricted stock unit awards, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"In accordance with the terms of outstanding restricted stock unit awards, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The 66,418 restricted stock units vest and are settled as follows: (i) 36,734 restricted stock units in February 2026 and (ii) 29,684 restricted stock units in February 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The 66,418 restricted stock units vest and are settled as follows: (i) 36,734 restricted stock units in February 2026 and (ii) 29,684 restricted stock units in February 2027."}],"balance_after":66418,"derivative":{"underlying":"Ordinary Shares","underlying_shares":628},"source":{"system":"sec-edgar","filing":"0001104659-25-026269","document":"tm259928-9_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465925026269/tm259928-9_4seq1.xml","form_type":"4"}},{"id":1208103,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2025-03-13T20:16:00.000Z","date":"2025-03-11","kind":"grant","planned":false,"acquired":true,"shares":18652,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On March 11, 2025, the reporting person was granted 18,652 restricted stock units (RSUs). Each RSU represents a contingent right to receive one Ordinary Share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date."}],"balance_after":98552,"source":{"system":"sec-edgar","filing":"0001062993-25-005373","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299325005373/form4.xml","form_type":"4"}},{"id":1264367,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units 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settlement of deferred bonus plan awards granted on 28 March 2022 and performance share plan awards granted on 28 March 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Reflects the vesting and settlement of deferred bonus plan awards granted on 28 March 2022 and performance share plan awards granted on 28 March 2022."}],"balance_after":65790,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":26051},"source":{"system":"sec-edgar","filing":"0001062993-25-002726","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299325002726/form4.xml","form_type":"4"}},{"id":1264365,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier 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settlement of deferred bonus plan awards. Each deferred bonus plan award represents a right to receive one ordinary share of Smurfit Westrock plc upon vesting and settlement of the applicable award."}],"balance_after":94664,"source":{"system":"sec-edgar","filing":"0001062993-25-002726","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299325002726/form4.xml","form_type":"4"}},{"id":1264363,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2025-02-18T22:52:44.000Z","date":"2025-02-14","kind":"exercise","planned":false,"acquired":true,"shares":26051,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects the acquisition of common stock upon vesting and settlement of performance share plan awards. Each performance share plan award represents a right to receive one ordinary share of Smurfit Westrock plc upon vesting and settlement of the applicable award."}],"balance_after":87718,"source":{"system":"sec-edgar","filing":"0001062993-25-002726","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299325002726/form4.xml","form_type":"4"}},{"id":1324423,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units (PSP)","published_at":"2024-12-20T18:14:11.000Z","date":"2024-12-18","kind":"grant","planned":false,"acquired":true,"shares":532,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.3025 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The 91,841 restricted stock units vest and are settled as follows: (i) 26,051 restricted stock units in February 2025, (ii) 36,387 restricted stock units in February 2026, (iii) and 29,403 restricted stock units in February 2027"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The 91,841 restricted stock units vest and are settled as follows: (i) 26,051 restricted stock units in February 2025, (ii) 36,387 restricted stock units in February 2026, (iii) and 29,403 restricted stock units in February 2027"}],"balance_after":91841,"derivative":{"underlying":"Ordinary Shares","underlying_shares":532},"source":{"system":"sec-edgar","filing":"0001062993-24-021006","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000106299324021006/form4.xml","form_type":"4"}},{"id":1401782,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units (PSP)","published_at":"2024-09-20T20:20:29.000Z","date":"2024-09-18","kind":"grant","planned":false,"acquired":true,"shares":572,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.3025 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The 91,309 restricted stock units vest and are settled as follows: (i) 25,900 restricted stock units in February 2025, (ii) 36,176 restricted stock units in February 2026, (iii) and 29,233 restricted stock units in February 2027"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The 91,309 restricted stock units vest and are settled as follows: (i) 25,900 restricted stock units in February 2025, (ii) 36,176 restricted stock units in February 2026, (iii) and 29,233 restricted stock units in February 2027"}],"balance_after":91309,"derivative":{"underlying":"Ordinary 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the Scheme Effective Time, each performance share plan award (\"PSP Award\") in respect of ordinary shares of Smurfit Kappa was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by such PSP Award as of immediately prior to the Scheme Effective Time (with such number of shares determined by deeming the applicable performance goals to be achieved in accordance with the terms and conditions of the Transaction Agreement), and otherwise subject to the same terms and conditions (excluding performance goals) as applied to such PSP Award as of immediately prior to the Scheme Effective Time."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each performance share plan award (\"PSP Award\") in respect of ordinary shares of Smurfit Kappa was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by such PSP Award as of immediately prior to the Scheme Effective Time (with such number of shares determined by deeming the applicable performance goals to be achieved in accordance with the terms and conditions of the Transaction Agreement), and otherwise subject to the same terms and conditions (excluding performance goals) as applied to such PSP Award as of immediately prior to the Scheme Effective Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each performance share plan award (\"PSP Award\") in respect of ordinary shares of Smurfit Kappa was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by such PSP Award as of immediately prior to the Scheme Effective Time (with such number of shares determined by deeming the applicable performance goals to be achieved in accordance with the terms and conditions of the Transaction Agreement), and otherwise subject to the same terms and conditions (excluding performance goals) as applied to such PSP Award as of immediately prior to the Scheme Effective Time."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each performance share plan award (\"PSP Award\") in respect of ordinary shares of Smurfit Kappa was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by such PSP Award as of immediately prior to the Scheme Effective Time (with such number of shares determined by deeming the applicable performance goals to be achieved in accordance with the terms and conditions of the Transaction Agreement), and otherwise subject to the same terms and conditions (excluding performance goals) as applied to such PSP Award as of immediately prior to the Scheme Effective Time."}],"balance_after":90737,"derivative":{"underlying":"Ordinary Shares","underlying_shares":90737},"source":{"system":"sec-edgar","filing":"0001104659-24-078718","document":"tm2419140-9_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465924078718/tm2419140-9_4seq1.xml","form_type":"4"}},{"id":1457762,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units (DBP)","published_at":"2024-07-10T01:48:58.000Z","date":"2024-07-05","kind":"grant","planned":false,"acquired":true,"shares":25751,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each deferred bonus plan award (\"DBP Award\") in respect of ordinary shares of Smurfit Kappa held by the Reporting Person was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by, and otherwise subject to the same terms and conditions as applied to, such DBP Award as of immediately prior to the Scheme Effective Time."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each deferred bonus plan award (\"DBP Award\") in respect of ordinary shares of Smurfit Kappa held by the Reporting Person was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by, and otherwise subject to the same terms and conditions as applied to, such DBP Award as of immediately prior to the Scheme Effective Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each deferred bonus plan award (\"DBP Award\") in respect of ordinary shares of Smurfit Kappa held by the Reporting Person was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by, and otherwise subject to the same terms and conditions as applied to, such DBP Award as of immediately prior to the Scheme Effective Time."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Pursuant to the Transaction Agreement, at the Scheme Effective Time, each deferred bonus plan award (\"DBP Award\") in respect of ordinary shares of Smurfit Kappa held by the Reporting Person was converted into a restricted stock unit award in respect of Smurfit WestRock Shares covering the same number of shares as covered by, and otherwise subject to the same terms and conditions as applied to, such DBP Award as of immediately prior to the Scheme Effective Time."}],"balance_after":25751,"derivative":{"underlying":"Ordinary Shares","underlying_shares":25751},"source":{"system":"sec-edgar","filing":"0001104659-24-078718","document":"tm2419140-9_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465924078718/tm2419140-9_4seq1.xml","form_type":"4"}},{"id":1457761,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2024-07-10T01:48:58.000Z","date":"2024-07-05","kind":"grant","planned":false,"acquired":true,"shares":3188,"ownership":{"direct":false,"nature":"Shares owned by spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Transaction Agreement, dated as of September 12, 2023 (the \"Transaction Agreement\"), by and among Smurfit Kappa Group plc (\"Smurfit Kappa\"), Smurfit WestRock plc (formerly Smurfit WestRock Limited and prior to that known as Cepheidway Limited, \"Smurfit WestRock\"), Sun Merger Sub, LLC and WestRock Company, on July 5, 2024, Smurfit Kappa was acquired by Smurfit WestRock pursuant to a scheme of arrangement (the \"Scheme\") and, in accordance with the Scheme, each ordinary share of Smurfit Kappa held by the Reporting Person was exchanged for one ordinary share of Smurfit WestRock, par value $0.001 per share (each a \"Smurfit WestRock Share\"), at the effective time of the Scheme (the \"Scheme Effective Time\")."}],"balance_after":3188,"source":{"system":"sec-edgar","filing":"0001104659-24-078718","document":"tm2419140-9_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465924078718/tm2419140-9_4seq1.xml","form_type":"4"}},{"id":1457760,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22362,"kind":"person","name":"Sellier Laurent","position":1,"cik":"0002029274","reported_name":"Sellier Laurent","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Ordinary Shares","published_at":"2024-07-10T01:48:58.000Z","date":"2024-07-05","kind":"grant","planned":false,"acquired":true,"shares":61667,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the Transaction Agreement, dated as of September 12, 2023 (the \"Transaction Agreement\"), by and among Smurfit Kappa Group plc (\"Smurfit Kappa\"), Smurfit WestRock plc (formerly Smurfit WestRock Limited and prior to that known as Cepheidway Limited, \"Smurfit WestRock\"), Sun Merger Sub, LLC and WestRock Company, on July 5, 2024, Smurfit Kappa was acquired by Smurfit WestRock pursuant to a scheme of arrangement (the \"Scheme\") and, in accordance with the Scheme, each ordinary share of Smurfit Kappa held by the Reporting Person was exchanged for one ordinary share of Smurfit WestRock, par value $0.001 per share (each a \"Smurfit WestRock Share\"), at the effective time of the Scheme (the \"Scheme Effective Time\")."}],"balance_after":61667,"source":{"system":"sec-edgar","filing":"0001104659-24-078718","document":"tm2419140-9_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2029274/000110465924078718/tm2419140-9_4seq1.xml","form_type":"4"}}]}