{"transactions":[{"id":1714,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-09-03T16:40:15.000Z","date":"2026-09-02","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":42.465,"value":84930.0,"ownership":{"direct":false,"nature":"By spouse"},"balance_after":519000,"source":{"system":"sec-edgar","filing":"0002035989-26-000078","document":"wk-form4_1788453611.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598926000078/wk-form4_1788453611.xml","form_type":"4"}},{"id":1713,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-09-03T16:40:15.000Z","date":"2026-09-02","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":42.53,"value":85060.0,"ownership":{"direct":false,"nature":"By spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase was made in Swiss Francs at a price of CHF 34.66 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149)."}],"balance_after":517000,"source":{"system":"sec-edgar","filing":"0002035989-26-000078","document":"wk-form4_1788453611.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598926000078/wk-form4_1788453611.xml","form_type":"4"}},{"id":1712,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-09-03T16:40:15.000Z","date":"2026-09-02","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":42.44,"value":42440.0,"ownership":{"direct":true},"balance_after":1767000,"source":{"system":"sec-edgar","filing":"0002035989-26-000078","document":"wk-form4_1788453611.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598926000078/wk-form4_1788453611.xml","form_type":"4"}},{"id":1711,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-09-03T16:40:15.000Z","date":"2026-09-02","kind":"purchase","planned":false,"acquired":true,"shares":15000,"price":42.53,"value":637950.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase was made in Swiss Francs at a price of CHF 34.66 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149)."}],"balance_after":1766000,"source":{"system":"sec-edgar","filing":"0002035989-26-000078","document":"wk-form4_1788453611.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598926000078/wk-form4_1788453611.xml","form_type":"4"}},{"id":1710,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-09-03T16:40:15.000Z","date":"2026-09-02","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":42.37,"value":423700.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 34.53 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8149)."}],"balance_after":1751000,"source":{"system":"sec-edgar","filing":"0002035989-26-000078","document":"wk-form4_1788453611.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598926000078/wk-form4_1788453611.xml","form_type":"4"}},{"id":672155,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":18457,"kind":"person","name":"Gibson Dwight Audley Konrad","position":1,"cik":"0001676490","reported_name":"Gibson Dwight Audley Konrad","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-31T19:02:09.000Z","date":"2026-08-27","kind":"purchase","planned":false,"acquired":true,"shares":5.47,"price":44.58,"value":243.8526,"ownership":{"direct":true},"balance_after":5199.47,"source":{"system":"sec-edgar","filing":"0002035989-26-000076","document":"wk-form4_1788202926.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598926000076/wk-form4_1788202926.xml","form_type":"4"}},{"id":675258,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":19588,"kind":"person","name":"Sanche Jacques Wolf","position":1,"cik":"0002124568","reported_name":"Sanche Jacques Wolf","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-08-26T21:36:15.000Z","date":"2026-08-26","kind":"purchase","planned":false,"acquired":true,"shares":4150,"price":45.02,"value":186833.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares were purchased in multiple transactions at prices ranging from CHF 36.17 to CHF 36.19, inclusive. This amount represents the CHF 36.18 weighted average price of such transactions, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8036). The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer."}],"balance_after":9766,"source":{"system":"sec-edgar","filing":"0002035989-26-000074","document":"wk-form4_1787780173.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598926000074/wk-form4_1787780173.xml","form_type":"4"}},{"id":675257,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":19586,"kind":"person","name":"Singleton Denise R","position":1,"cik":"0001524595","reported_name":"Singleton Denise R","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer & Corp Sec"}}],"security":"Ordinary Shares","published_at":"2026-08-26T14:57:11.000Z","date":"2026-08-25","kind":"purchase","planned":false,"acquired":true,"shares":3500,"price":44.115,"value":154402.5,"ownership":{"direct":true},"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001524595-26-000005","document":"wk-form4_1787756229.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000152459526000005/wk-form4_1787756229.xml","form_type":"4"}},{"id":676426,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":20020,"kind":"person","name":"Forrest Nollaig","position":1,"cik":"0002069283","reported_name":"Forrest Nollaig","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Mktg & Corp Affairs Off"}}],"security":"Ordinary Shares","published_at":"2026-08-25T19:53:45.000Z","date":"2026-08-25","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":44.15,"value":66225.0,"ownership":{"direct":true},"balance_after":21639,"source":{"system":"sec-edgar","filing":"0002035989-26-000071","document":"wk-form4_1787687623.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069283/000203598926000071/wk-form4_1787687623.xml","form_type":"4"}},{"id":683953,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":22373,"kind":"person","name":"Poletti Samuel Jonas","position":1,"cik":"0002066486","reported_name":"Poletti Samuel Jonas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Strategy & M&A Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-18T16:29:20.000Z","date":"2026-08-17","kind":"purchase","planned":false,"acquired":true,"shares":2510,"price":46.92,"value":117769.2,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 37.97 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.8092)."}],"balance_after":10155,"source":{"system":"sec-edgar","filing":"0002035989-26-000069","document":"wk-form4_1787070557.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598926000069/wk-form4_1787070557.xml","form_type":"4"}},{"id":688219,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:46:54.000Z","date":"2026-08-11","kind":"purchase","planned":false,"acquired":true,"shares":5260,"price":47.31,"value":248850.6,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 117 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on June 30, 2026."}],"balance_after":10637,"source":{"system":"sec-edgar","filing":"0001632531-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000163253126000002/primary_doc.xml","form_type":"4"}},{"id":688234,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:41:18.000Z","date":"2026-08-11","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":46.36,"value":69540.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 37.60 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.8111)."}],"balance_after":21490,"source":{"system":"sec-edgar","filing":"0002069148-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000206914826000003/primary_doc.xml","form_type":"4"}},{"id":688232,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:29:51.000Z","date":"2026-08-11","kind":"purchase","planned":false,"acquired":true,"shares":368,"price":46.38,"value":17067.84,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase was made in Swiss Francs at a price of CHF 37.62 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.8111)."}],"balance_after":38485,"source":{"system":"sec-edgar","filing":"0002069180-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000206918026000002/primary_doc.xml","form_type":"4"}},{"id":688231,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:29:51.000Z","date":"2026-08-11","kind":"purchase","planned":false,"acquired":true,"shares":3200,"price":46.62,"value":149184.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 170 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on June 30, 2026."}],"balance_after":38117,"source":{"system":"sec-edgar","filing":"0002069180-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000206918026000002/primary_doc.xml","form_type":"4"}},{"id":688230,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:23:03.000Z","date":"2026-08-11","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":47.12,"value":70680.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 198 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on June 30, 2026."}],"balance_after":29698,"source":{"system":"sec-edgar","filing":"0002069377-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000206937726000002/primary_doc.xml","form_type":"4"}},{"id":688218,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23747,"kind":"person","name":"Oran Baris","position":1,"cik":"0001874231","reported_name":"Oran Baris","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:10:46.000Z","date":"2026-08-12","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":47.13,"value":141390.0,"ownership":{"direct":true},"balance_after":6000,"source":{"system":"sec-edgar","filing":"0001874231-26-000007","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000187423126000007/primary_doc.xml","form_type":"4"}},{"id":688217,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23747,"kind":"person","name":"Oran Baris","position":1,"cik":"0001874231","reported_name":"Oran Baris","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-08-13T15:10:46.000Z","date":"2026-08-11","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":47.38,"value":142140.0,"ownership":{"direct":true},"balance_after":3000,"source":{"system":"sec-edgar","filing":"0001874231-26-000007","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000187423126000007/primary_doc.xml","form_type":"4"}},{"id":713847,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2026-07-07T17:59:41.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":233,"price":45.31,"value":10557.23,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares acquired pursuant to the issuer's employee stock purchase plan."}],"balance_after":19990,"source":{"system":"sec-edgar","filing":"0002069148-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000206914826000002/primary_doc.xml","form_type":"4"}},{"id":764180,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":20020,"kind":"person","name":"Forrest Nollaig","position":1,"cik":"0002069283","reported_name":"Forrest Nollaig","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Mktg & Corp Affairs Off"}}],"security":"Ordinary Shares","published_at":"2026-05-26T17:47:53.000Z","date":"2026-05-22","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":50.25,"value":100500.0,"ownership":{"direct":true},"balance_after":20139,"source":{"system":"sec-edgar","filing":"0002069283-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069283/000206928326000001/primary_doc.xml","form_type":"4"}},{"id":768361,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-21T16:36:30.000Z","date":"2026-05-21","kind":"purchase","planned":false,"acquired":true,"shares":1500,"price":49.84,"value":74760.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 39.22 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.7869)."}],"balance_after":19757,"source":{"system":"sec-edgar","filing":"0002069148-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000206914826000001/primary_doc.xml","form_type":"4"}},{"id":768360,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-21T16:31:58.000Z","date":"2026-05-20","kind":"purchase","planned":false,"acquired":true,"shares":1200,"price":48.63,"value":58356.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 38.4285 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.7902)."}],"balance_after":34747,"source":{"system":"sec-edgar","filing":"0002069180-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000206918026000001/primary_doc.xml","form_type":"4"}},{"id":768359,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-21T16:31:58.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":48.63,"value":48630.0,"ownership":{"direct":true},"balance_after":33747,"source":{"system":"sec-edgar","filing":"0002069180-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000206918026000001/primary_doc.xml","form_type":"4"}},{"id":768358,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-21T16:31:58.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":1800,"price":49.47,"value":89046.0,"ownership":{"direct":true},"balance_after":32747,"source":{"system":"sec-edgar","filing":"0002069180-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000206918026000001/primary_doc.xml","form_type":"4"}},{"id":770321,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":49.96,"value":149880.0,"ownership":{"direct":false,"nature":"By spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The purchase was made in Swiss Francs at a price of CHF 39.31 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869)."}],"balance_after":515000,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":770320,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":48.55,"value":48550.0,"ownership":{"direct":true},"balance_after":1741000,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":770319,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":1640,"price":48.69,"value":79851.6,"ownership":{"direct":true},"balance_after":1740000,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":770318,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":48.72,"value":97440.0,"ownership":{"direct":true},"balance_after":1738360,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":770317,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":1360,"price":48.5,"value":65960.0,"ownership":{"direct":true},"balance_after":1736360,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":770316,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":7000,"price":49.69,"value":347830.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase was made in Swiss Francs at a price of CHF 39.10 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869)."}],"balance_after":1735000,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":770315,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-20T10:26:49.000Z","date":"2026-05-19","kind":"purchase","planned":false,"acquired":true,"shares":3001,"price":49.63,"value":148939.63,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 39.05 per share, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7869)."}],"balance_after":1728000,"source":{"system":"sec-edgar","filing":"0002068104-26-000004","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000004/primary_doc.xml","form_type":"4"}},{"id":775474,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-18T16:33:39.000Z","date":"2026-05-15","kind":"purchase","planned":false,"acquired":true,"shares":7000,"price":49.12,"value":343840.0,"ownership":{"direct":false,"nature":"By spouse"},"balance_after":512000,"source":{"system":"sec-edgar","filing":"0002068104-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000003/primary_doc.xml","form_type":"4"}},{"id":775473,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-18T16:33:39.000Z","date":"2026-05-15","kind":"purchase","planned":false,"acquired":true,"shares":8000,"price":49.63,"value":397040.0,"ownership":{"direct":true},"balance_after":1724999,"source":{"system":"sec-edgar","filing":"0002068104-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000003/primary_doc.xml","form_type":"4"}},{"id":775472,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-05-18T16:33:39.000Z","date":"2026-05-15","kind":"purchase","planned":false,"acquired":true,"shares":13417,"price":49.69,"value":666690.73,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 39.05 per share, and such price was converted into US Dollars using the transaction date exchange rate (USD 1.00 = CHF 0.7858)."}],"balance_after":1716999,"source":{"system":"sec-edgar","filing":"0002068104-26-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000003/primary_doc.xml","form_type":"4"}},{"id":788667,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2026-05-07T20:35:42.000Z","date":"2026-05-05","kind":"purchase","planned":false,"acquired":true,"shares":2.152,"price":52.75,"value":113.518,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025."}],"balance_after":5260,"source":{"system":"sec-edgar","filing":"0001632531-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000163253126000001/primary_doc.xml","form_type":"4"}},{"id":803063,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":42173,"kind":"person","name":"Gangestad Nicholas C","position":1,"cik":"0001515709","reported_name":"Gangestad Nicholas C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T16:09:48.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":7194,"source":{"system":"sec-edgar","filing":"0001515709-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000151570926000001/primary_doc.xml","form_type":"4"}},{"id":803062,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":42173,"kind":"person","name":"Gangestad Nicholas C","position":1,"cik":"0001515709","reported_name":"Gangestad Nicholas C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T16:09:48.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":740,"price":57.12,"value":42268.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":4218,"source":{"system":"sec-edgar","filing":"0001515709-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000151570926000001/primary_doc.xml","form_type":"4"}},{"id":803065,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":18457,"kind":"person","name":"Gibson Dwight Audley Konrad","position":1,"cik":"0001676490","reported_name":"Gibson Dwight Audley Konrad","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T16:02:10.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5194,"source":{"system":"sec-edgar","filing":"0001676490-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000167649026000001/primary_doc.xml","form_type":"4"}},{"id":803064,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":18457,"kind":"person","name":"Gibson Dwight Audley Konrad","position":1,"cik":"0001676490","reported_name":"Gibson Dwight Audley Konrad","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T16:02:10.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":740,"price":57.12,"value":42268.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":2218,"source":{"system":"sec-edgar","filing":"0001676490-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000167649026000001/primary_doc.xml","form_type":"4"}},{"id":803061,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":19588,"kind":"person","name":"Sanche Jacques Wolf","position":1,"cik":"0002124568","reported_name":"Sanche Jacques Wolf","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T15:36:51.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5616,"source":{"system":"sec-edgar","filing":"0002124568-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000212456826000001/primary_doc.xml","form_type":"4"}},{"id":803060,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51665,"kind":"person","name":"Rivkin Robert S.","position":1,"cik":"0001906604","reported_name":"Rivkin Robert S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T15:30:39.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5194,"source":{"system":"sec-edgar","filing":"0001906604-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000190660426000001/primary_doc.xml","form_type":"4"}},{"id":803059,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51665,"kind":"person","name":"Rivkin Robert S.","position":1,"cik":"0001906604","reported_name":"Rivkin Robert S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T15:30:39.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":740,"price":57.12,"value":42268.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":2218,"source":{"system":"sec-edgar","filing":"0001906604-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000190660426000001/primary_doc.xml","form_type":"4"}},{"id":803058,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":35652,"kind":"person","name":"NEWMAN DONALD P","position":1,"cik":"0001282236","reported_name":"NEWMAN DONALD P","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T15:08:38.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":2976,"source":{"system":"sec-edgar","filing":"0001282236-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000128223626000001/primary_doc.xml","form_type":"4"}},{"id":803057,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51664,"kind":"person","name":"McKelvy Michael E","position":1,"cik":"0001426872","reported_name":"McKelvy Michael E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T15:00:31.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5194,"source":{"system":"sec-edgar","filing":"0001426872-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000142687226000001/primary_doc.xml","form_type":"4"}},{"id":803056,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51664,"kind":"person","name":"McKelvy Michael E","position":1,"cik":"0001426872","reported_name":"McKelvy Michael E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T15:00:31.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":740,"price":57.12,"value":42268.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":2218,"source":{"system":"sec-edgar","filing":"0001426872-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000142687226000001/primary_doc.xml","form_type":"4"}},{"id":803055,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":41924,"kind":"person","name":"Ladhani Holli C.","position":1,"cik":"0001221455","reported_name":"Ladhani Holli C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T14:51:30.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5194,"source":{"system":"sec-edgar","filing":"0001221455-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000122145526000002/primary_doc.xml","form_type":"4"}},{"id":803054,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":41924,"kind":"person","name":"Ladhani Holli C.","position":1,"cik":"0001221455","reported_name":"Ladhani Holli C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T14:51:30.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":740,"price":57.12,"value":42268.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":2218,"source":{"system":"sec-edgar","filing":"0001221455-26-000002","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000122145526000002/primary_doc.xml","form_type":"4"}},{"id":803082,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51670,"kind":"person","name":"Wilbur Maria Cristina Alapag","position":1,"cik":"0002068066","reported_name":"Wilbur Maria Cristina Alapag","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T11:43:05.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5934,"source":{"system":"sec-edgar","filing":"0002068066-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068066/000206806626000001/primary_doc.xml","form_type":"4"}},{"id":803081,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51670,"kind":"person","name":"Wilbur Maria Cristina Alapag","position":1,"cik":"0002068066","reported_name":"Wilbur Maria Cristina Alapag","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T11:43:05.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":190,"price":57.12,"value":10852.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":2958,"source":{"system":"sec-edgar","filing":"0002068066-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068066/000206806626000001/primary_doc.xml","form_type":"4"}},{"id":803078,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51668,"kind":"person","name":"Roth Pellanda Katja Nicole","position":1,"cik":"0002068115","reported_name":"Roth Pellanda Katja Nicole","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T11:24:46.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":5744,"source":{"system":"sec-edgar","filing":"0002068115-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068115/000206811526000001/primary_doc.xml","form_type":"4"}},{"id":803077,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51668,"kind":"person","name":"Roth Pellanda Katja Nicole","position":1,"cik":"0002068115","reported_name":"Roth Pellanda Katja Nicole","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T11:24:46.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":190,"price":57.12,"value":10852.8,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":2768,"source":{"system":"sec-edgar","filing":"0002068115-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068115/000206811526000001/primary_doc.xml","form_type":"4"}},{"id":803080,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51669,"kind":"person","name":"Oleas Jurg Amadeo","position":1,"cik":"0002068177","reported_name":"Oleas Jurg Amadeo","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T11:16:42.000Z","date":"2026-04-21","kind":"grant","planned":false,"acquired":true,"shares":2976,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan. The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":23892,"source":{"system":"sec-edgar","filing":"0002068177-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068177/000206817726000001/primary_doc.xml","form_type":"4"}},{"id":803079,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51669,"kind":"person","name":"Oleas Jurg Amadeo","position":1,"cik":"0002068177","reported_name":"Oleas Jurg Amadeo","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2026-04-22T11:16:42.000Z","date":"2026-04-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":157,"price":57.12,"value":8967.84,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Closing price per share on the trading date of the vesting of restricted stock units."}],"balance_after":20916,"source":{"system":"sec-edgar","filing":"0002068177-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068177/000206817726000001/primary_doc.xml","form_type":"4"}},{"id":831032,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":56602,"kind":"person","name":"Gosa James J","position":1,"cik":"0001848830","reported_name":"Gosa James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Envelope"}}],"security":"Ordinary Shares","published_at":"2026-03-23T20:37:07.000Z","date":"2026-03-21","kind":"tax_withholding","planned":false,"acquired":false,"shares":14541,"price":52.56,"value":764274.96,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes 170 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025."}],"balance_after":41268,"source":{"system":"sec-edgar","filing":"0002035989-26-000034","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598926000034/primary_doc.xml","form_type":"4"}},{"id":842110,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-16T17:59:53.000Z","date":"2026-03-13","kind":"purchase","planned":false,"acquired":true,"shares":1200,"price":55.13,"value":66156.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase was made in Swiss Francs at a price of CHF 43.46 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7883)."}],"balance_after":30947,"source":{"system":"sec-edgar","filing":"0002035989-26-000033","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000203598926000033/primary_doc.xml","form_type":"4"}},{"id":842109,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-16T17:59:53.000Z","date":"2026-03-13","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":55.39,"value":110780.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 43.665 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7883)."}],"balance_after":29747,"source":{"system":"sec-edgar","filing":"0002035989-26-000033","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000203598926000033/primary_doc.xml","form_type":"4"}},{"id":842108,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-16T17:53:27.000Z","date":"2026-03-13","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":54.88,"value":109760.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 43.26 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7883)."}],"balance_after":18257,"source":{"system":"sec-edgar","filing":"0002035989-26-000032","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000203598926000032/primary_doc.xml","form_type":"4"}},{"id":846666,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2026-03-12T18:02:39.000Z","date":"2026-03-12","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":56.9,"value":56900.0,"ownership":{"direct":true},"balance_after":28000,"source":{"system":"sec-edgar","filing":"0002035989-26-000031","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598926000031/primary_doc.xml","form_type":"4"}},{"id":849159,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2026-03-11T17:56:29.000Z","date":"2026-03-11","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":58.91,"value":58910.0,"ownership":{"direct":true},"balance_after":27000,"source":{"system":"sec-edgar","filing":"0002035989-26-000029","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598926000029/primary_doc.xml","form_type":"4"}},{"id":849161,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-11T17:49:42.000Z","date":"2026-03-11","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":58.72,"value":176160.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 45.72 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7786)."}],"balance_after":16257,"source":{"system":"sec-edgar","filing":"0002035989-26-000028","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000203598926000028/primary_doc.xml","form_type":"4"}},{"id":849160,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":61543,"kind":"person","name":"Johnston Ian A","position":1,"cik":"0002069237","reported_name":"Johnston Ian A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-11T14:00:42.000Z","date":"2026-03-10","kind":"purchase","planned":false,"acquired":true,"shares":4250,"price":58.935,"value":250473.75,"ownership":{"direct":true},"balance_after":25110,"source":{"system":"sec-edgar","filing":"0002035989-26-000030","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069237/000203598926000030/primary_doc.xml","form_type":"4"}},{"id":851565,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2026-03-10T17:06:53.000Z","date":"2026-03-09","kind":"purchase","planned":false,"acquired":true,"shares":3184,"price":56.34,"value":179386.56,"ownership":{"direct":true},"balance_after":26000,"source":{"system":"sec-edgar","filing":"0002069377-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000206937726000001/primary_doc.xml","form_type":"4"}},{"id":854016,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-03-09T13:31:51.000Z","date":"2026-03-06","kind":"purchase","planned":false,"acquired":true,"shares":60000,"price":58.05,"value":3483000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares were purchased in multiple transactions at prices ranging from CHF 45.30 to CHF 45.50, inclusive. This amount represents the CHF 45.39 weighted average price of such transactions, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7819). The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer."}],"balance_after":1703582,"source":{"system":"sec-edgar","filing":"0002035989-26-000027","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598926000027/primary_doc.xml","form_type":"4"}},{"id":868844,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":22373,"kind":"person","name":"Poletti Samuel Jonas","position":1,"cik":"0002066486","reported_name":"Poletti Samuel Jonas","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Strategy & M&A Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-03T16:00:58.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":4256,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."}],"balance_after":7645,"source":{"system":"sec-edgar","filing":"0002035989-26-000026","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598926000026/primary_doc.xml","form_type":"4"}},{"id":869139,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-03T15:57:24.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":4257,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."}],"balance_after":13257,"source":{"system":"sec-edgar","filing":"0002035989-26-000025","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000203598926000025/primary_doc.xml","form_type":"4"}},{"id":869137,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":20020,"kind":"person","name":"Forrest Nollaig","position":1,"cik":"0002069283","reported_name":"Forrest Nollaig","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Mktg & Corp Affairs Off"}}],"security":"Ordinary Shares","published_at":"2026-03-03T15:53:21.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":4681,"price":64.99,"value":304218.19,"ownership":{"direct":true},"balance_after":18139,"source":{"system":"sec-edgar","filing":"0002035989-26-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069283/000203598926000024/primary_doc.xml","form_type":"4"}},{"id":869136,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":20020,"kind":"person","name":"Forrest Nollaig","position":1,"cik":"0002069283","reported_name":"Forrest Nollaig","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Mktg & Corp Affairs Off"}}],"security":"Ordinary Shares","published_at":"2026-03-03T15:53:21.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":11157,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025."}],"balance_after":22820,"source":{"system":"sec-edgar","filing":"0002035989-26-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069283/000203598926000024/primary_doc.xml","form_type":"4"}},{"id":869138,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-03T15:46:58.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":4257,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025."}],"balance_after":27747,"source":{"system":"sec-edgar","filing":"0002035989-26-000023","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000203598926000023/primary_doc.xml","form_type":"4"}},{"id":869133,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2026-03-03T15:42:19.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1928,"price":64.99,"value":125300.72,"ownership":{"direct":true},"balance_after":22816,"source":{"system":"sec-edgar","filing":"0002035989-26-000022","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598926000022/primary_doc.xml","form_type":"4"}},{"id":869132,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2026-03-03T15:42:19.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":6385,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 258 shares acquired under the Amrize Ltd 2025 Employee Stock Purchase Plan on December 31, 2025."}],"balance_after":24744,"source":{"system":"sec-edgar","filing":"0002035989-26-000022","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598926000022/primary_doc.xml","form_type":"4"}},{"id":869135,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":61543,"kind":"person","name":"Johnston Ian A","position":1,"cik":"0002069237","reported_name":"Johnston Ian A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-03T10:35:56.000Z","date":"2026-02-27","kind":"tax_withholding","planned":false,"acquired":false,"shares":1941,"price":64.99,"value":126145.59,"ownership":{"direct":true},"balance_after":20860,"source":{"system":"sec-edgar","filing":"0002035989-26-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069237/000203598926000021/primary_doc.xml","form_type":"4"}},{"id":869134,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":61543,"kind":"person","name":"Johnston Ian A","position":1,"cik":"0002069237","reported_name":"Johnston Ian A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-03-03T10:35:56.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":4257,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."}],"balance_after":22801,"source":{"system":"sec-edgar","filing":"0002035989-26-000021","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069237/000203598926000021/primary_doc.xml","form_type":"4"}},{"id":869141,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Stock Option (right to buy)","published_at":"2026-03-03T10:19:45.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":620715,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Represents vesting of performance stock option award with respect to Amrize ordinary shares.  The performance stock option resulted from the conversion of an option to purchase Holcim ordinary shares previously granted by Holcim and converted in connection with the Spin-Off. Such performance stock option vested based on the performance of Holcim and Amrize for the period from January 1, 2021 through December 31, 2025."}],"balance_after":620715,"derivative":{"exercise_price":30.67,"exercise_date":"2026-03-01","expiration_date":"2031-02-28","underlying":"Ordinary shares","underlying_shares":620715},"source":{"system":"sec-edgar","filing":"0002068104-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000001/primary_doc.xml","form_type":"4"}},{"id":869140,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2026-03-03T10:19:45.000Z","date":"2026-02-27","kind":"grant","planned":false,"acquired":true,"shares":138582,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents settlement of an award of performance stock units of Amrize Ltd (\"Amrize\") into Amrize ordinary shares.  The performance stock units that were settled resulted from the conversion of certain equity incentive awards previously granted by Holcim Ltd (\"Holcim\") and converted in connection with the consummation on June 23, 2025 of the distribution of all of the ordinary shares of Amrize by Holcim to holders of Holcim ordinary shares on a pro rata basis (the \"Spin-Off\"). Such performance stock units vested based on the performance of Holcim and Amrize for the period from January 1, 2023 through December 31, 2025."}],"balance_after":1643582,"source":{"system":"sec-edgar","filing":"0002068104-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000206810426000001/primary_doc.xml","form_type":"4"}},{"id":888435,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":61543,"kind":"person","name":"Johnston Ian A","position":1,"cik":"0002069237","reported_name":"Johnston Ian A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-02-23T14:25:40.000Z","date":"2026-02-19","kind":"purchase","planned":false,"acquired":true,"shares":205,"price":63.91,"value":13101.55,"ownership":{"direct":true},"balance_after":18544,"source":{"system":"sec-edgar","filing":"0002069237-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069237/000206923726000001/primary_doc.xml","form_type":"4"}},{"id":888434,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":61543,"kind":"person","name":"Johnston Ian A","position":1,"cik":"0002069237","reported_name":"Johnston Ian A","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2026-02-23T14:25:40.000Z","date":"2026-02-19","kind":"purchase","planned":false,"acquired":true,"shares":995,"price":63.92,"value":63600.4,"ownership":{"direct":true},"balance_after":18339,"source":{"system":"sec-edgar","filing":"0002069237-26-000001","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069237/000206923726000001/primary_doc.xml","form_type":"4"}},{"id":992738,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":42173,"kind":"person","name":"Gangestad Nicholas C","position":1,"cik":"0001515709","reported_name":"Gangestad Nicholas C","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-11-20T19:32:39.000Z","date":"2025-11-19","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":47.34,"value":94680.0,"ownership":{"direct":true},"balance_after":4958,"source":{"system":"sec-edgar","filing":"0001515709-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000151570925000003/primary_doc.xml","form_type":"4"}},{"id":1005992,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2025-11-06T18:38:19.000Z","date":"2025-11-04","kind":"purchase","planned":false,"acquired":true,"shares":4000,"price":50.685,"value":202740.0,"ownership":{"direct":true},"balance_after":18101,"source":{"system":"sec-edgar","filing":"0002069377-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000206937725000003/primary_doc.xml","form_type":"4"}},{"id":1008446,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2025-11-04T17:09:03.000Z","date":"2025-10-31","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":51.76,"value":51760.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The purchase was made in Swiss Francs at a price of CHF 41.50 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8017)."}],"balance_after":9000,"source":{"system":"sec-edgar","filing":"0002069148-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000206914825000003/primary_doc.xml","form_type":"4"}},{"id":1008445,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2025-11-04T17:09:03.000Z","date":"2025-10-31","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":51.78,"value":155340.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 41.51 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8017)."}],"balance_after":8000,"source":{"system":"sec-edgar","filing":"0002069148-25-000003","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000206914825000003/primary_doc.xml","form_type":"4"}},{"id":1010808,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2025-10-31T11:36:41.000Z","date":"2025-10-30","kind":"purchase","planned":false,"acquired":true,"shares":55000,"price":52.88,"value":2908400.0,"ownership":{"direct":false,"nature":"By spouse"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The shares were purchased in multiple transactions at prices ranging from $52.28 to $53.11, inclusive. This amount represents the $52.88 weighted average price of such transactions. The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer."}],"balance_after":505000,"source":{"system":"sec-edgar","filing":"0002035989-25-000039","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598925000039/primary_doc.xml","form_type":"4"}},{"id":1010807,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":1393,"kind":"person","name":"Jenisch Jan Philipp","position":1,"cik":"0002068104","reported_name":"Jenisch Jan Philipp","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chairman & CEO"}}],"security":"Ordinary Shares","published_at":"2025-10-31T11:36:41.000Z","date":"2025-10-30","kind":"purchase","planned":false,"acquired":true,"shares":55000,"price":52.64,"value":2895200.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares were purchased in multiple transactions at prices ranging from CHF 41.90 to CHF 42.45, inclusive. This amount represents the CHF 42.05 weighted average price of such transactions, and such price was converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.7988). The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer."}],"balance_after":1505000,"source":{"system":"sec-edgar","filing":"0002035989-25-000039","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2068104/000203598925000039/primary_doc.xml","form_type":"4"}},{"id":1054743,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23759,"kind":"person","name":"Brouwer Roald","position":1,"cik":"0002069148","reported_name":"Brouwer Roald","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Technology Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-27T15:21:12.000Z","date":"2025-08-27","kind":"purchase","planned":false,"acquired":true,"shares":2000,"price":51.88,"value":103760.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 41.835 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8064)."}],"balance_after":5000,"source":{"system":"sec-edgar","filing":"0002035989-25-000027","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069148/000203598925000027/primary_doc.xml","form_type":"4"}},{"id":1056985,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2025-08-25T20:54:32.000Z","date":"2025-08-22","kind":"purchase","planned":false,"acquired":true,"shares":500,"price":49.585,"value":24792.5,"ownership":{"direct":true},"balance_after":14101,"source":{"system":"sec-edgar","filing":"0002035989-25-000026","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598925000026/primary_doc.xml","form_type":"4"}},{"id":1064279,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:44:54.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":4000,"price":51.995,"value":207980.0,"ownership":{"direct":true},"balance_after":13601,"source":{"system":"sec-edgar","filing":"0002035989-25-000025","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598925000025/primary_doc.xml","form_type":"4"}},{"id":1064235,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":400,"price":51.86,"value":20744.0,"ownership":{"direct":true},"balance_after":5000,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064234,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":1100,"price":51.85,"value":57035.0,"ownership":{"direct":true},"balance_after":4600,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064233,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":500,"price":51.84,"value":25920.0,"ownership":{"direct":true},"balance_after":3500,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064232,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":1040,"price":51.83,"value":53903.2,"ownership":{"direct":true},"balance_after":3000,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064231,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":1000,"price":51.82,"value":51820.0,"ownership":{"direct":true},"balance_after":1960,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064230,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":301,"price":51.81,"value":15594.81,"ownership":{"direct":true},"balance_after":960,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064229,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":367,"price":51.8,"value":19010.6,"ownership":{"direct":true},"balance_after":659,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064228,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":100,"price":51.79,"value":5179.0,"ownership":{"direct":true},"balance_after":292,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064227,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":22,"price":51.78,"value":1139.16,"ownership":{"direct":true},"balance_after":192,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064226,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":70,"price":51.63,"value":3614.1,"ownership":{"direct":true},"balance_after":170,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1064225,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23748,"kind":"person","name":"Clark Stephen S","position":1,"cik":"0001632531","reported_name":"Clark Stephen S","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief People Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-18T17:42:37.000Z","date":"2025-08-15","kind":"purchase","planned":false,"acquired":true,"shares":100,"price":51.625,"value":5162.5,"ownership":{"direct":true},"balance_after":100,"source":{"system":"sec-edgar","filing":"0002035989-25-000024","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000024/primary_doc.xml","form_type":"4"}},{"id":1066729,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23757,"kind":"person","name":"Hill Jaime","position":1,"cik":"0002069377","reported_name":"Hill Jaime","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President, Building Materials"}}],"security":"Ordinary Shares","published_at":"2025-08-14T18:26:00.000Z","date":"2025-08-08","kind":"purchase","planned":false,"acquired":true,"shares":4000,"price":46.4,"value":185600.0,"ownership":{"direct":true},"balance_after":9601,"source":{"system":"sec-edgar","filing":"0002035989-25-000023","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069377/000203598925000023/primary_doc.xml","form_type":"4"}},{"id":1066730,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":23758,"kind":"person","name":"Gross Mario","position":1,"cik":"0002069180","reported_name":"Gross Mario","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Supply Chain Officer"}}],"security":"Ordinary Shares","published_at":"2025-08-14T18:23:41.000Z","date":"2025-08-13","kind":"purchase","planned":false,"acquired":true,"shares":3000,"price":49.63,"value":148890.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The purchase was made in Swiss Francs at a price of CHF 39.87 per share, and converted into US Dollars using the transaction date exchange rate of (USD 1.00 = CHF 0.8034)."}],"balance_after":23232,"source":{"system":"sec-edgar","filing":"0002035989-25-000022","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2069180/000203598925000022/primary_doc.xml","form_type":"4"}},{"id":1067989,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51665,"kind":"person","name":"Rivkin Robert S.","position":1,"cik":"0001906604","reported_name":"Rivkin Robert S.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-08-13T18:27:15.000Z","date":"2025-08-11","kind":"grant","planned":false,"acquired":true,"shares":2958,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan.  The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":2958,"source":{"system":"sec-edgar","filing":"0002035989-25-000020","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000020/primary_doc.xml","form_type":"4"}},{"id":1067988,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":51664,"kind":"person","name":"McKelvy Michael E","position":1,"cik":"0001426872","reported_name":"McKelvy Michael E","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-08-13T18:19:43.000Z","date":"2025-08-11","kind":"grant","planned":false,"acquired":true,"shares":2958,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan.  The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":2958,"source":{"system":"sec-edgar","filing":"0002035989-25-000017","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000017/primary_doc.xml","form_type":"4"}},{"id":1067987,"issuer":{"id":1392,"kind":"organization","name":"Amrize Ltd","symbol":"AMRZ"},"owners":[{"id":41924,"kind":"person","name":"Ladhani Holli C.","position":1,"cik":"0001221455","reported_name":"Ladhani Holli C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Ordinary Shares","published_at":"2025-08-13T18:17:09.000Z","date":"2025-08-11","kind":"grant","planned":false,"acquired":true,"shares":2958,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock unit award to the reporting person pursuant to the Amrize Ltd 2025 Omnibus Incentive Plan.  The award vests on the earlier of the one-year anniversary of the grant date and the date of the issuer's next regular annual meeting of shareholders."}],"balance_after":2958,"source":{"system":"sec-edgar","filing":"0002035989-25-000016","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2035989/000203598925000016/primary_doc.xml","form_type":"4"}}],"next_cursor":"2025-08-13T18:17:09.000000Z,1067987"}