{"transactions":[{"id":703082,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":28598,"kind":"person","name":"Scott Peter Jennings","position":1,"cik":"0002067615","reported_name":"Scott Peter Jennings","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Units","published_at":"2026-07-28T00:39:55.000Z","date":"2026-07-23","kind":"grant","planned":false,"acquired":true,"shares":3067,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","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":"F3","text":"Reflects compensation in the form of restricted stock units received pursuant to Ryerson's Director Compensation Program."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"These unvested restricted stock units will vest on the earlier of (i) July 23, 2027 and (ii) the date of the next Annual Stockholders' Meeting of the Company."}],"balance_after":3067,"derivative":{"underlying":"Common Stock","underlying_shares":3067},"source":{"system":"sec-edgar","filing":"0000899140-26-000742","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2067615/000089914026000742/form4.xml","form_type":"4"}},{"id":703081,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":28598,"kind":"person","name":"Scott Peter Jennings","position":1,"cik":"0002067615","reported_name":"Scott Peter Jennings","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2026-07-28T00:39:55.000Z","date":"2026-07-23","kind":"grant","planned":false,"acquired":true,"shares":97,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date."}],"balance_after":8903,"source":{"system":"sec-edgar","filing":"0000899140-26-000742","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2067615/000089914026000742/form4.xml","form_type":"4"}},{"id":703080,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":28598,"kind":"person","name":"Scott Peter Jennings","position":1,"cik":"0002067615","reported_name":"Scott Peter Jennings","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2026-07-28T00:39:55.000Z","date":"2026-04-10","kind":"grant","planned":false,"acquired":true,"shares":203,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Reflects compensation in the form of equity received pursuant to Ryerson's Director Compensation Program. The award vested in full on the grant date."}],"balance_after":8806,"source":{"system":"sec-edgar","filing":"0000899140-26-000742","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2067615/000089914026000742/form4.xml","form_type":"4"}},{"id":902154,"issuer":{"id":66305,"kind":"organization","name":"OLYMPIC STEEL INC","symbol":"ZEUS"},"owners":[{"id":28598,"kind":"person","name":"Scott Peter Jennings","position":1,"cik":"0002067615","reported_name":"Scott Peter Jennings","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-02-17T17:15:18.000Z","date":"2026-02-13","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":5030,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares of Olympic Steel, Inc. common stock, without par value (\"Company common stock\"), disposed of pursuant to the Agreement and Plan of Merger (\"Merger Agreement\"), dated as of October 28, 2025, by and among Olympic Steel, Inc., Ryerson Holding Corporation (\"Parent\"), and Crimson MS Corp. At the effective time of the merger, each such share of Company common stock was converted into the right to receive a number of shares of common stock, $0.01 par value per share, of Parent, multiplied by 1.7105 (rounded down to the nearest whole share), plus a cash payment (rounded down to the nearest cent) in lieu of any fractional shares as determined pursuant to the Merger Agreement."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001193125-26-053870","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917470/000119312526053870/ownership.xml","form_type":"4"}},{"id":905456,"issuer":{"id":4782,"kind":"organization","name":"Ryerson Holding Corp","symbol":"RYZ"},"owners":[{"id":28598,"kind":"person","name":"Scott Peter Jennings","position":1,"cik":"0002067615","reported_name":"Scott Peter Jennings","relationship":{"director":true}}],"security":"Common Stock (par value $0.01 per share)","published_at":"2026-02-14T01:08:40.000Z","date":"2026-02-13","kind":"grant","planned":false,"acquired":true,"shares":8603,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Reporting Person received 8,603 shares of the Issuer's common stock in exchange for 5,030 shares of common stock, without par value, of Olympic Steel, Inc. (\"Olympic Steel\") in connection with the merger between Olympic Steel and the Issuer (the \"Merger\") pursuant to the terms of the Agreement and Plan of Merger, dated as of October 28, 2025 (the \"Merger Agreement\"), by and among the Issuer, Olympic Steel and Crimson MS Corp. In accordance with the Merger Agreement, each share of Olympic Steel's common stock was cancelled and converted into the right to receive 1.7105 shares of the Issuer's common stock, with cash paid in lieu of fractional shares."}],"balance_after":8603,"source":{"system":"sec-edgar","filing":"0000899140-26-000210","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2067615/000089914026000210/form4.xml","form_type":"4"}},{"id":975155,"issuer":{"id":66305,"kind":"organization","name":"OLYMPIC STEEL INC","symbol":"ZEUS"},"owners":[{"id":28598,"kind":"person","name":"Scott Peter Jennings","position":1,"cik":"0002067615","reported_name":"Scott Peter Jennings","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-10T21:01:21.000Z","date":"2025-12-09","kind":"purchase","planned":false,"acquired":true,"shares":5030,"price":39.89,"value":200646.7,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Price reflects the weighted average purchase price for multiple transactions that ranged from $39.84 to $39.89 per share. The Reporting Person undertakes to provide, upon request by the Commission Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price."}],"balance_after":5030,"source":{"system":"sec-edgar","filing":"0001437749-25-037386","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/917470/000143774925037386/rdgdoc.xml","form_type":"4"}}]}