{"transactions":[{"id":921796,"issuer":{"id":4833,"kind":"organization","name":"York Space Systems Inc."},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Common Stock","published_at":"2026-02-03T21:06:58.000Z","date":"2026-01-30","kind":"grant","planned":false,"acquired":true,"shares":10294,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units which vest over three years."}],"balance_after":16000,"source":{"system":"sec-edgar","filing":"0001193125-26-036420","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1496943/000119312526036420/ownership.xml","form_type":"4"}},{"id":1276522,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Performance Stock Units","published_at":"2025-02-10T17:41:34.000Z","date":"2025-02-10","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2839,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2839},"source":{"system":"sec-edgar","filing":"0000950103-25-001823","document":"dp224685_4-frantz.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001823/dp224685_4-frantz.xml","form_type":"4"}},{"id":1276521,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Performance Stock Units","published_at":"2025-02-10T17:41:34.000Z","date":"2025-02-10","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":9649,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":9649},"source":{"system":"sec-edgar","filing":"0000950103-25-001823","document":"dp224685_4-frantz.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001823/dp224685_4-frantz.xml","form_type":"4"}},{"id":1276520,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units","published_at":"2025-02-10T17:41:34.000Z","date":"2025-02-10","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":4460,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4460},"source":{"system":"sec-edgar","filing":"0000950103-25-001823","document":"dp224685_4-frantz.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001823/dp224685_4-frantz.xml","form_type":"4"}},{"id":1276519,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units","published_at":"2025-02-10T17:41:34.000Z","date":"2025-02-10","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2839,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2839},"source":{"system":"sec-edgar","filing":"0000950103-25-001823","document":"dp224685_4-frantz.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001823/dp224685_4-frantz.xml","form_type":"4"}},{"id":1276518,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units","published_at":"2025-02-10T17:41:34.000Z","date":"2025-02-10","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":2744,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2744},"source":{"system":"sec-edgar","filing":"0000950103-25-001823","document":"dp224685_4-frantz.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001823/dp224685_4-frantz.xml","form_type":"4"}},{"id":1276517,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian D","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Restricted Stock Units","published_at":"2025-02-10T17:41:34.000Z","date":"2025-02-10","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":1285,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1285},"source":{"system":"sec-edgar","filing":"0000950103-25-001823","document":"dp224685_4-frantz.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1621563/000095010325001823/dp224685_4-frantz.xml","form_type":"4"}},{"id":1276516,"issuer":{"id":16259,"kind":"organization","name":"Summit Materials, Inc.","symbol":"SUM"},"owners":[{"id":67954,"kind":"person","name":"Frantz Brian D","position":1,"cik":"0001496943","reported_name":"Frantz Brian 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each performance stock unit award held by the reporting person was vested based on target performance, canceled and converted into the right to receive the Merger Consideration and (iv) each stock option was fully vested, canceled and converted into the right to receive an amount equal to the excess of the Merger Consideration over the applicable exercise price."},{"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 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