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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\nordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The 83,969 restricted stock units vest and are due to be settled in February 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The 83,969 restricted stock units vest and are due to be settled in February 2027."}],"balance_after":83969,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":973},"source":{"system":"sec-edgar","filing":"0001628280-26-020105","document":"wk-form4_1774027612.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1133264/000162828026020105/wk-form4_1774027612.xml","form_type":"4"}},{"id":832672,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22411,"kind":"person","name":"SMURFIT ANTHONY P J","position":1,"cik":"0001133264","reported_name":"SMURFIT ANTHONY P J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and Group CEO"}}],"security":"Ordinary Shares","published_at":"2026-03-20T17:26:57.000Z","date":"2026-03-19","kind":"tax_withholding","planned":false,"acquired":false,"shares":19,"price":38.58,"value":733.02,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the reporting person's tax withholding obligation upon the vesting and settlement of dividend equivalents, which accrued on 18\nMarch 2026. Since these dividend equivalents were associated with restricted stock units that vested and settled on 12 March 2026, the dividend equivalents immediately vested and settled on 19 March\n2026 in accordance with the terms of the associated restricted stock unit award."}],"balance_after":1726185,"source":{"system":"sec-edgar","filing":"0001628280-26-020105","document":"wk-form4_1774027612.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1133264/000162828026020105/wk-form4_1774027612.xml","form_type":"4"}},{"id":832671,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22411,"kind":"person","name":"SMURFIT ANTHONY P J","position":1,"cik":"0001133264","reported_name":"SMURFIT ANTHONY P J","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and Group CEO"}}],"security":"Ordinary Shares","published_at":"2026-03-20T17:26:57.000Z","date":"2026-03-18","kind":"grant","planned":false,"acquired":true,"shares":780,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","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\n$0.4523 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\nordinary share."}],"balance_after":1726204,"source":{"system":"sec-edgar","filing":"0001628280-26-020105","document":"wk-form4_1774027612.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1133264/000162828026020105/wk-form4_1774027612.xml","form_type":"4"}},{"id":832559,"issuer":{"id":3199,"kind":"organization","name":"Smurfit Westrock plc","symbol":"SW"},"owners":[{"id":22363,"kind":"person","name":"Page Irene","position":1,"cik":"0002029262","reported_name":"Page Irene","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Restricted Stock Units (PSP)","published_at":"2026-03-20T17:26:30.000Z","date":"2026-03-18","kind":"grant","planned":false,"acquired":true,"shares":162,"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\n$0.4523 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\nordinary share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The 14,046 restricted stock units vest and are due to be settled in February 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The 14,046 restricted stock units vest and are due to be settled in February 2027."}],"balance_after":14046,"derivative":{"exercise_price":0,"underlying":"Ordinary Shares","underlying_shares":162},"source":{"system":"sec-edgar","filing":"0001628280-26-020104","document":"wk-form4_1774027587.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2029262/000162828026020104/wk-form4_1774027587.xml","form_type":"4"}}],"next_cursor":"2026-03-20T17:26:30.000000Z,832559"}