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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029."}],"balance_after":13390.314,"derivative":{"underlying":"Common Stock","underlying_shares":100.963},"source":{"system":"sec-edgar","filing":"0000899140-26-001071","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1841035/000089914026001071/form4.xml","form_type":"4"}},{"id":4623434,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-09-21T20:40:35.000Z","date":"2026-09-17","kind":"grant","planned":false,"acquired":true,"shares":69.612,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028."}],"balance_after":9232.316,"derivative":{"underlying":"Common Stock","underlying_shares":69.612},"source":{"system":"sec-edgar","filing":"0000899140-26-001071","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1841035/000089914026001071/form4.xml","form_type":"4"}},{"id":4623433,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-09-21T20:40:35.000Z","date":"2026-09-17","kind":"grant","planned":false,"acquired":true,"shares":31.558,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of September 17, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027."}],"balance_after":4185.367,"derivative":{"underlying":"Common Stock","underlying_shares":31.558},"source":{"system":"sec-edgar","filing":"0000899140-26-001071","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1841035/000089914026001071/form4.xml","form_type":"4"}},{"id":729097,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-06-23T21:19:10.000Z","date":"2026-06-18","kind":"grant","planned":false,"acquired":true,"shares":89.351,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2026 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027, March 31, 2028, and March 31, 2029."}],"balance_after":13289.351,"derivative":{"underlying":"Common Stock","underlying_shares":89.351},"source":{"system":"sec-edgar","filing":"0000899140-26-000683","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000683/form4.xml","form_type":"4"}},{"id":729096,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-06-23T21:19:10.000Z","date":"2026-06-18","kind":"grant","planned":false,"acquired":true,"shares":61.606,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2025 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027 and March 31, 2028."}],"balance_after":9162.704,"derivative":{"underlying":"Common Stock","underlying_shares":61.606},"source":{"system":"sec-edgar","filing":"0000899140-26-000683","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000683/form4.xml","form_type":"4"}},{"id":729095,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-06-23T21:19:10.000Z","date":"2026-06-18","kind":"grant","planned":false,"acquired":true,"shares":27.928,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2026. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2027."}],"balance_after":4153.809,"derivative":{"underlying":"Common Stock","underlying_shares":27.928},"source":{"system":"sec-edgar","filing":"0000899140-26-000683","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000683/form4.xml","form_type":"4"}},{"id":819453,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-04-03T00:38:46.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":13200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"On March 31, 2026, the reporting person was granted 13,200 restricted stock units, of which 4,400 will vest on the first anniversary of the grant date, 4,400 will vest on the second anniversary of the grant date and 4,400 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F11","text":"On March 31, 2026, the reporting person was granted 13,200 restricted stock units, of which 4,400 will vest on the first anniversary of the grant date, 4,400 will vest on the second anniversary of the grant date and 4,400 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":13200,"derivative":{"underlying":"Common Stock","underlying_shares":13200},"source":{"system":"sec-edgar","filing":"0000899140-26-000354","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000354/form4.xml","form_type":"4"}},{"id":819452,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-04-03T00:38:46.000Z","date":"2026-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4550,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"On March 31, 2025, the reporting person was granted 13,200 restricted stock units, of which 4,400 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 4,400 will vest on the second anniversary of the grant date and 4,400 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2025. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"On March 31, 2025, the reporting person was granted 13,200 restricted stock units, of which 4,400 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 4,400 will vest on the second anniversary of the grant date and 4,400 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2025. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":9101.098,"derivative":{"underlying":"Common Stock","underlying_shares":4550},"source":{"system":"sec-edgar","filing":"0000899140-26-000354","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000354/form4.xml","form_type":"4"}},{"id":819451,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-04-03T00:38:46.000Z","date":"2026-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4125,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On March 31, 2024, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date and 3,850 vested on the second anniversary of the grant date. All 3,850 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2024. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On March 31, 2024, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date and 3,850 vested on the second anniversary of the grant date. All 3,850 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2024. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":4125.881,"derivative":{"underlying":"Common Stock","underlying_shares":4125},"source":{"system":"sec-edgar","filing":"0000899140-26-000354","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000354/form4.xml","form_type":"4"}},{"id":819450,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2026-04-03T00:38:46.000Z","date":"2026-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4219,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On March 31, 2023, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date, 3,850 vested on the second anniversary of the grant date and 3,850 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2023. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On March 31, 2023, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date, 3,850 vested on the second anniversary of the grant date and 3,850 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2023. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4219},"source":{"system":"sec-edgar","filing":"0000899140-26-000354","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000354/form4.xml","form_type":"4"}},{"id":819449,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2026-04-03T00:38:46.000Z","date":"2026-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":10415,"price":22.48,"value":234129.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F12","text":"Represents shares that have been withheld by the Company to satisfy its income tax and withholding remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":88488.3365,"source":{"system":"sec-edgar","filing":"0000899140-26-000354","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914026000354/form4.xml","form_type":"4"}},{"id":819448,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2026-04-03T00:38:46.000Z","date":"2026-03-31","kind":"exercise","planned":false,"acquired":true,"shares":11725,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents shares received or that will be received in respect of performance-based restricted stock units granted on March 31, 2023. Each performance-based restricted stock unit became vested on March 31, 2026, which was the later of (i) the third anniversary of the grant date and (ii) the date the compensation committee certified the achievement of the applicable performance objectives in accordance with the underlying award agreement. The compensation committee certified the achievement of the applicable performance objectives on March 31, 2026. 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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026 and March 31, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of June 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026 and March 31, 2027."}],"balance_after":8050.99,"derivative":{"underlying":"Common Stock","underlying_shares":72.759},"source":{"system":"sec-edgar","filing":"0000899140-25-000786","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000786/form4.xml","form_type":"4"}},{"id":1103710,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2025-06-23T21:38:43.000Z","date":"2025-06-18","kind":"grant","planned":false,"acquired":true,"shares":37.201,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of June 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of June 18, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2026."}],"balance_after":4116.411,"derivative":{"underlying":"Common Stock","underlying_shares":37.201},"source":{"system":"sec-edgar","filing":"0000899140-25-000786","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000786/form4.xml","form_type":"4"}},{"id":1183309,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"grant","planned":false,"acquired":true,"shares":13200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"On March 31, 2025, the reporting person was granted 13,200 restricted stock units, of which 4,400 will vest on the first anniversary of the grant date, 4,400 will vest on the second anniversary of the grant date and 4,400 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F11","text":"On March 31, 2025, the reporting person was granted 13,200 restricted stock units, of which 4,400 will vest on the first anniversary of the grant date, 4,400 will vest on the second anniversary of the grant date and 4,400 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":13200,"derivative":{"underlying":"Common Stock","underlying_shares":13200},"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183308,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":false,"shares":3989,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"On March 31, 2024, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 3,850  will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2024. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"On March 31, 2024, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 3,850  will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2024. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."}],"balance_after":7978.231,"derivative":{"underlying":"Common Stock","underlying_shares":3989},"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183307,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4078,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On March 31, 2023, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date and 3,850 vested on the second anniversary of the grant date. All 3,850 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2023. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On March 31, 2023, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date and 3,850 vested on the second anniversary of the grant date. All 3,850 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2023. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."}],"balance_after":4079.21,"derivative":{"underlying":"Common Stock","underlying_shares":4078},"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183306,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4164,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On March 31, 2022, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date, 3,850 vested on the second anniversary of the grant date and 3,850 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2022. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On March 31, 2022, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date, 3,850 vested on the second anniversary of the grant date and 3,850 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2022. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F14","text":"The number of restricted stock units owned by the reporting person following the reported transaction has been rounded to a whole number. This reflects a change in the reporting methodology."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4164},"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183305,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"tax_withholding","planned":false,"acquired":false,"shares":15198,"price":22.96,"value":348946.08,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F12","text":"Represents shares that have been withheld by the Company to satisfy its income tax and withholding remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":79256.3365,"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183304,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":true,"shares":23450,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents shares received or that will be received in respect of performance-based restricted stock units granted on March 31, 2022. Each performance-based restricted stock unit became vested on March 31, 2025, which was the later of (i) the third anniversary of the grant date and (ii) the date the compensation committee certified the achievement of the applicable performance objectives in accordance with the underlying award agreement. The compensation committee certified the achievement of the applicable performance objectives on March 31, 2025. Vested shares will be delivered to the reporting person not later than 60 days following the vesting date."}],"balance_after":94454.3365,"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183303,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":true,"shares":3989,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the \"Company\"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."}],"balance_after":71004.3365,"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183302,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":true,"shares":4078,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the \"Company\"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."}],"balance_after":67015.3365,"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1183301,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2025-04-03T01:00:23.000Z","date":"2025-03-31","kind":"exercise","planned":false,"acquired":true,"shares":4164,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the \"Company\"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The number of dividend equivalent rights settled in connection with the vesting of underlying restricted stock units has been rounded to a whole number. This reflects a change in the reporting methodology."}],"balance_after":62937.3365,"source":{"system":"sec-edgar","filing":"0000899140-25-000496","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914025000496/form4.xml","form_type":"4"}},{"id":1193382,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2025-03-24T20:40:50.000Z","date":"2025-03-20","kind":"grant","planned":false,"acquired":true,"shares":91.075,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of March 20, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2025, March 31, 2026 and March 31, 2027."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2024 and outstanding as of March 20, 2025. 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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of March 20, 2025. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2025 and March 31, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of March 20, 2025. 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This reflects a change in the reporting methodology."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"The number of dividend equivalent rights reported on this Form 4 have been shown to the third decimal place. 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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"shares","element":"transactionShares","label":"F6","text":"The number of dividend equivalent rights reported on this Form 4 have been shown to the third decimal place. This reflects a change in the reporting methodology."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of September 19, 2024. 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This reflects a change in the reporting methodology."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"The number of dividend equivalent rights reported on this Form 4 have been shown to the third decimal place. 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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"shares","element":"transactionShares","label":"F6","text":"The number of dividend equivalent rights reported on this Form 4 have been shown to the third decimal place. This reflects a change in the reporting methodology."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2022 and outstanding as of September 19, 2024. 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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2022 and outstanding as of June 20, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2022 and outstanding as of June 20, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2025."}],"balance_after":4055.5455,"derivative":{"underlying":"Common Stock","underlying_shares":37.2868},"source":{"system":"sec-edgar","filing":"0000950170-24-076756","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000095017024076756/ownership.xml","form_type":"4"}},{"id":1553416,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2024-04-02T21:14:30.000Z","date":"2024-03-31","kind":"grant","planned":false,"acquired":true,"shares":11550,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"On March 31, 2024, the reporting person was granted 11,550 restricted stock units, of which 3,850 will vest on the first anniversary of the grant date, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F11","text":"On March 31, 2024, the reporting person was granted 11,550 restricted stock units, of which 3,850 will vest on the first anniversary of the grant date, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":11550,"derivative":{"underlying":"Common Stock","underlying_shares":11550},"source":{"system":"sec-edgar","filing":"0000899140-24-000414","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000414/form4.xml","form_type":"4"}},{"id":1553415,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2024-04-02T21:14:30.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":false,"shares":3936.4071,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"On March 31, 2023, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2023. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"On March 31, 2023, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2023. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":7872.8142,"derivative":{"underlying":"Common Stock","underlying_shares":3936.4071},"source":{"system":"sec-edgar","filing":"0000899140-24-000414","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000414/form4.xml","form_type":"4"}},{"id":1553414,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2024-04-02T21:14:30.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4018.2587,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On March 31, 2022, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date and 3,850 vested on the second anniversary of the grant date. All 3,850 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2022. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On March 31, 2022, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date and 3,850 vested on the second anniversary of the grant date. All 3,850 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2022. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":4018.2587,"derivative":{"underlying":"Common Stock","underlying_shares":4018.2587},"source":{"system":"sec-edgar","filing":"0000899140-24-000414","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000414/form4.xml","form_type":"4"}},{"id":1553413,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2024-04-02T21:14:30.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":false,"shares":4058.0155,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On March 31, 2021, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date, 3,850 vested on the second anniversary of the grant date and 3,850 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2021. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On March 31, 2021, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date, 3,850 vested on the second anniversary of the grant date and 3,850 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2021. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":4058.0155},"source":{"system":"sec-edgar","filing":"0000899140-24-000414","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000414/form4.xml","form_type":"4"}},{"id":1553412,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2024-04-02T21:14:30.000Z","date":"2024-04-01","kind":"tax_withholding","planned":false,"acquired":false,"shares":17060,"price":33.5,"value":571510.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F12","text":"Represents shares that have been withheld by the Company to satisfy its income tax and withholding remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":64790.3365,"source":{"system":"sec-edgar","filing":"0000899140-24-000414","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000414/form4.xml","form_type":"4"}},{"id":1553411,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2024-04-02T21:14:30.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":true,"shares":23450,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents shares received or that will be received in respect of performance-based restricted stock units granted on March 31, 2021. Each performance-based restricted stock unit became vested on March 31, 2024, which was the later of (i) the third anniversary of the grant date and (ii) the date the compensation committee certified the achievement of the applicable performance objectives in accordance with the underlying award agreement. The compensation committee certified the achievement of the applicable performance objectives on March 31, 2024. Vested shares will be delivered to the reporting person not later than 60 days following the vesting date."}],"balance_after":81850.3365,"source":{"system":"sec-edgar","filing":"0000899140-24-000414","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000414/form4.xml","form_type":"4"}},{"id":1553410,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2024-04-02T21:14:30.000Z","date":"2024-03-31","kind":"exercise","planned":false,"acquired":true,"shares":3936.4071,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the \"Company\"). 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Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of March 21, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2024, March 31, 2025 and March 31, 2026."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2023 and outstanding as of March 21, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2024, March 31, 2025 and March 31, 2026."}],"balance_after":11809.2213,"derivative":{"underlying":"Common Stock","underlying_shares":68.6751},"source":{"system":"sec-edgar","filing":"0000899140-24-000360","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000360/form4.xml","form_type":"4"}},{"id":1561827,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2024-03-26T00:31:37.000Z","date":"2024-03-21","kind":"grant","planned":false,"acquired":true,"shares":46.7356,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2022 and outstanding as of March 21, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2024 and March 31, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2022 and outstanding as of March 21, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2024 and March 31, 2025."}],"balance_after":8036.5174,"derivative":{"underlying":"Common Stock","underlying_shares":46.7356},"source":{"system":"sec-edgar","filing":"0000899140-24-000360","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000089914024000360/form4.xml","form_type":"4"}},{"id":1561826,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"officer":true,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2024-03-26T00:31:37.000Z","date":"2024-03-21","kind":"grant","planned":false,"acquired":true,"shares":23.5989,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of March 21, 2024. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of March 21, 2024. 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These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2023, March 31, 2024 and March 31, 2025."}],"balance_after":11605.5288,"derivative":{"underlying":"Common Stock","underlying_shares":55.5288},"source":{"system":"sec-edgar","filing":"0001567619-22-013216","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922013216/doc1.xml","form_type":"4"}},{"id":2225364,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2022-06-22T00:20:18.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":37.3854,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of June 16, 2022. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2023 and March 31, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2021 and outstanding as of June 16, 2022. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2023 and March 31, 2024."}],"balance_after":7813.5692,"derivative":{"underlying":"Common Stock","underlying_shares":37.3854},"source":{"system":"sec-edgar","filing":"0001567619-22-013216","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922013216/doc1.xml","form_type":"4"}},{"id":2225363,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2022-06-22T00:20:18.000Z","date":"2022-06-16","kind":"grant","acquired":true,"shares":8.0985,"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 common stock of Ryerson Holding Corporation (the \"Company\")."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents dividend equivalent rights that accrued on the underlying award of restricted stock units. Dividend equivalent rights accrue when and as dividends are paid on the common shares underlying the applicable restricted share units and vest proportionately with and are subject to settlement and expiration upon the same terms as the restricted stock units to which they relate."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of June 16, 2022. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The dividend equivalent rights accrued on restricted stock units that were granted on March 31, 2020 and outstanding as of June 16, 2022. These unvested restricted stock units, and the dividend equivalent rights related to such unvested restricted stock units, will vest on March 31, 2023."}],"balance_after":1692.6019,"derivative":{"underlying":"Common Stock","underlying_shares":8.0985},"source":{"system":"sec-edgar","filing":"0001567619-22-013216","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922013216/doc1.xml","form_type":"4"}},{"id":2308085,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"grant","acquired":true,"shares":11550,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"On March 31, 2022, the reporting person was granted 11,550 restricted stock units, of which 3,850 will vest on the first anniversary of the grant date, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F11","text":"On March 31, 2022, the reporting person was granted 11,550 restricted stock units, of which 3,850 will vest on the first anniversary of the grant date, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":11550,"derivative":{"underlying":"Common Stock","underlying_shares":11550},"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308084,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"exercise","acquired":false,"shares":3888.0919,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"On March 31, 2021, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2021. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"On March 31, 2021, the reporting person was granted 11,550 restricted stock units, of which 3,850 vested on the first anniversary of the grant date. Of the remaining unvested restricted stock units, 3,850 will vest on the second anniversary of the grant date and 3,850 will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2021. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":7776.1838,"derivative":{"underlying":"Common Stock","underlying_shares":3888.0919},"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308083,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"exercise","acquired":false,"shares":1682.4836,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"On March 31, 2020, the reporting person was granted 5,000 restricted stock units, of which 1,666 vested on the first anniversary of the grant date and 1,666 vested on the second anniversary of the grant date. All 1,668 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2020. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On March 31, 2020, the reporting person was granted 5,000 restricted stock units, of which 1,666 vested on the first anniversary of the grant date and 1,666 vested on the second anniversary of the grant date. All 1,668 of the remaining unvested restricted stock units will vest on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2020. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":1684.5034,"derivative":{"underlying":"Common Stock","underlying_shares":1682.4836},"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308082,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Restricted Stock Units","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"exercise","acquired":false,"shares":1179.556,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each restricted stock unit represents a contingent right to receive one share of common stock of the Company."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The restricted stock units reported as disposed herein were settled for shares of common stock of the Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"On March 31, 2019, the reporting person was granted 3,500 restricted stock units, of which 1,166 vested on the first anniversary of the grant date, 1,166 vested on the second anniversary of the grant date and 1,168 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2019. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"On March 31, 2019, the reporting person was granted 3,500 restricted stock units, of which 1,166 vested on the first anniversary of the grant date, 1,166 vested on the second anniversary of the grant date and 1,168 vested on the third anniversary of the grant date. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"Settlement of dividend equivalent rights in connection with the vesting of underlying restricted stock units that were granted on March 31, 2019. The dividend equivalent rights accrued when and as the Company declared quarterly dividends and vested proportionately with the restricted stock unit to which they related. Vested shares will be delivered to the reporting person not later than 60 days following such vesting dates."}],"balance_after":0,"derivative":{"underlying":"Common Stock","underlying_shares":1179.556},"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308081,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"tax_withholding","acquired":false,"shares":3502,"price":35.02,"value":122640.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F12","text":"Represents shares that have been withheld by the Company to satisfy its income tax and withholding remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":38566.1315,"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308080,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"exercise","acquired":true,"shares":3500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Represents shares received or that will be received in respect of performance-based restricted stock units granted on March 31, 2019. Each performance-based restricted stock unit became vested on March 31, 2022, which was the later of (i) the third anniversary of the grant date and (ii) the date the compensation committee certified the achievement of the applicable performance objectives in accordance with the underlying award agreement. The compensation committee certified the achievement of the applicable performance objectives on March 31, 2022. Vested shares will be delivered to the reporting person not later than 60 days following the vesting date."}],"balance_after":42068.1315,"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308079,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"exercise","acquired":true,"shares":3888.0919,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the \"Company\"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units."}],"balance_after":38568.1315,"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}},{"id":2308078,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":35970,"kind":"person","name":"Claussen James J","position":1,"cik":"0001841035","reported_name":"Claussen James J","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive Vice President & CFO"}}],"security":"Common Stock (par value ($0.01 per share)","published_at":"2022-04-04T18:28:33.000Z","date":"2022-03-31","kind":"exercise","acquired":true,"shares":1682.4836,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares received upon the vesting of restricted stock units and shares received upon the vesting of dividend equivalent rights granted in connection with the quarterly dividends declared by Ryerson Holding Corporation (the \"Company\"). Dividend equivalent rights are subject to the same terms and conditions, including vesting, as the underlying restricted stock units."}],"balance_after":34680.0396,"source":{"system":"sec-edgar","filing":"0001567619-22-007950","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1481582/000156761922007950/doc1.xml","form_type":"4"}}],"next_cursor":"2022-04-04T18:28:33.000000Z,2308078"}