{"transactions":[{"id":796694,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50545,"kind":"person","name":"Ellerbusch Susan A","position":1,"cik":"0001744472","reported_name":"Ellerbusch Susan A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2026-04-30T21:03:57.000Z","date":"2026-04-28","kind":"grant","planned":false,"acquired":true,"shares":1390,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":7323,"source":{"system":"sec-edgar","filing":"0001104659-26-053140","document":"tm2613162-8_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1324404/000110465926053140/tm2613162-8_4seq1.xml","form_type":"4"}},{"id":1154915,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, 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into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."}],"balance_after":0,"derivative":{"underlying":"Class A Common 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prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3341},"source":{"system":"sec-edgar","filing":"0000950103-25-001834","document":"dp224675_4-ellerbusch.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001834/dp224675_4-ellerbusch.xml","form_type":"4"}},{"id":1276542,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":50545,"kind":"person","name":"Ellerbusch Susan A","position":1,"cik":"0001744472","reported_name":"Ellerbusch Susan A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Deferred Restricted Stock 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Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4038},"source":{"system":"sec-edgar","filing":"0000950103-25-001834","document":"dp224675_4-ellerbusch.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001834/dp224675_4-ellerbusch.xml","form_type":"4"}},{"id":1276541,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, 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restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."}],"balance_after":0,"derivative":{"underlying":"Class A Common 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prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"At or immediately prior to the effective time of the transactions contemplated by the Agreement and Plan of Merger, dated November 24, 2024, by and among Summit Materials, Inc., Quikrete Holdings, Inc., and Soar Subsidiary, Inc., (i) each share of Class A common stock of the issuer held by the reporting person was canceled, retired and converted into the right to receive $52.50 in cash (the \"Merger Consideration\"), (ii) each restricted stock unit held by the reporting person was fully vested, canceled and converted into the right to receive the Merger Consideration and (iii) each vested and deferred restricted stock unit held by the reporting person was canceled and converted into the right to receive the Merger Consideration."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950103-25-001834","document":"dp224675_4-ellerbusch.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001834/dp224675_4-ellerbusch.xml","form_type":"4"}},{"id":1300069,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, 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The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's Human Capital and Compensation Committee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vest on January 15, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These restricted stock units vest on January 15, 2026."}],"balance_after":2547,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2547},"source":{"system":"sec-edgar","filing":"0001628280-25-001873","document":"wk-form4_1737152803.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000162828025001873/wk-form4_1737152803.xml","form_type":"4"}},{"id":1537473,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50545,"kind":"person","name":"Ellerbusch Susan A","position":1,"cik":"0001744472","reported_name":"Ellerbusch Susan A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2024-04-23T00:07:34.000Z","date":"2024-04-18","kind":"grant","planned":false,"acquired":true,"shares":2010,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":3859,"source":{"system":"sec-edgar","filing":"0001104659-24-050157","document":"tm2412420-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1324404/000110465924050157/tm2412420-3_4seq1.xml","form_type":"4"}},{"id":1586708,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":50545,"kind":"person","name":"Ellerbusch Susan A","position":1,"cik":"0001744472","reported_name":"Ellerbusch Susan A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2024-03-08T20:23:48.000Z","date":"2024-03-07","kind":"grant","planned":false,"acquired":true,"shares":3341,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock. The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's Human Capital and Compensation Committee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vest on February 28, 2025. The Reporting Person has elected to defer settlement of these restricted stock units to a date following the vesting date pursuant to the terms of the Reporting Person's deferral election."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These restricted stock units vest on February 28, 2025. The Reporting Person has elected to defer settlement of these restricted stock units to a date following the vesting date pursuant to the terms of the Reporting Person's deferral election."}],"balance_after":3341,"derivative":{"underlying":"Class A Common Stock","underlying_shares":3341},"source":{"system":"sec-edgar","filing":"0001628280-24-010121","document":"wk-form4_1709947419.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000162828024010121/wk-form4_1709947419.xml","form_type":"4"}},{"id":1757983,"issuer":{"id":3257,"kind":"organization","name":"CF Industries Holdings, Inc."},"owners":[{"id":50545,"kind":"person","name":"Ellerbusch Susan A","position":1,"cik":"0001744472","reported_name":"Ellerbusch Susan A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.01 per share","published_at":"2023-10-18T20:05:03.000Z","date":"2023-10-17","kind":"grant","planned":false,"acquired":true,"shares":1849,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":1849,"source":{"system":"sec-edgar","filing":"0001104659-23-109855","document":"tm2328663d2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1324404/000110465923109855/tm2328663d2_4seq1.xml","form_type":"4"}},{"id":1993176,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":50545,"kind":"person","name":"Ellerbusch Susan A","position":1,"cik":"0001744472","reported_name":"Ellerbusch Susan A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2023-02-24T18:17:04.000Z","date":"2023-02-22","kind":"grant","acquired":true,"shares":4038,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of Class A common stock of the Issuer (\"Class A Common Stock\"). The restricted stock units will be settled in either Class A Common Stock or cash (or a combination thereof) at the discretion of the Issuer's Human Capital and Compensation Committee."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These restricted stock units vest on February 28, 2024. The Reporting Person has elected to defer settlement of these restricted stock units to a date following the vesting date pursuant to the terms of the Reporting Person's deferral election."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These restricted stock units vest on February 28, 2024. 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