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In addition, proportionate adjustments were made to the Issuer's outstanding equity awards.  Accordingly,  the shares listed under Amount of Securities Beneficially Owned Following Reported Transaction(s) reported in this Form 4 have been adjusted to reflect the 1-for-10 reverse split."}],"balance_after":23670,"source":{"system":"sec-edgar","filing":"0001628280-26-047119","document":"wk-form4_1783344281.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1041024/000162828026047119/wk-form4_1783344281.xml","form_type":"4"}},{"id":996372,"issuer":{"id":7426,"kind":"organization","name":"ROCKWELL MEDICAL, INC.","symbol":"RMTI"},"owners":[{"id":32296,"kind":"person","name":"COOPER JOHN G","position":1,"cik":"0001164287","reported_name":"COOPER JOHN G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-11-18T21:26:21.000Z","date":"2025-11-18","kind":"sale","planned":false,"acquired":false,"shares":5079,"price":0.87,"value":4418.73,"ownership":{"direct":true},"balance_after":140372,"source":{"system":"sec-edgar","filing":"0001628280-25-052908","document":"wk-form4_1763501178.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1041024/000162828025052908/wk-form4_1763501178.xml","form_type":"4"}},{"id":1139331,"issuer":{"id":7426,"kind":"organization","name":"ROCKWELL MEDICAL, INC.","symbol":"RMTI"},"owners":[{"id":32296,"kind":"person","name":"COOPER JOHN G","position":1,"cik":"0001164287","reported_name":"COOPER JOHN G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-05-21T23:08:46.000Z","date":"2025-05-20","kind":"grant","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted stock units vest on May 20, 2026, subject to the Reporting Person's continued service to the Issuer."}],"balance_after":145451,"source":{"system":"sec-edgar","filing":"0001104659-25-051714","document":"tm2515860-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1041024/000110465925051714/tm2515860-2_4seq1.xml","form_type":"4"}},{"id":1504152,"issuer":{"id":7426,"kind":"organization","name":"ROCKWELL MEDICAL, INC.","symbol":"RMTI"},"owners":[{"id":32296,"kind":"person","name":"COOPER JOHN G","position":1,"cik":"0001164287","reported_name":"COOPER JOHN G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-05-23T23:06:52.000Z","date":"2024-05-21","kind":"grant","planned":false,"acquired":true,"shares":36111,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Restricted stock units vest on May 21, 2025, subject to the Reporting Person's continued service to the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Effective on May 13, 2022, the Issuer effected a 1-for-11 reverse stock split of its common stock (the \"Reverse Stock Split\"). 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If the Company's shareholders do not approve the 2018 Plan, these contingent options are deemed null and void and may not be exercised by the reporting person."}],"balance_after":39838,"derivative":{"exercise_price":5.75,"exercise_date":"2019-03-19","expiration_date":"2028-03-19","underlying":"Common Stock","underlying_shares":39838},"source":{"system":"sec-edgar","filing":"0001140361-18-014502","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1041024/000114036118014502/doc1.xml","form_type":"4"}},{"id":4213803,"issuer":{"id":7426,"kind":"organization","name":"ROCKWELL MEDICAL, INC.","symbol":"RMTI"},"owners":[{"id":32296,"kind":"person","name":"COOPER JOHN G","position":1,"cik":"0001164287","reported_name":"COOPER JOHN G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Appreciation Right","published_at":"2017-09-08T22:36:52.000Z","date":"2017-09-05","kind":"grant","acquired":true,"shares":23000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This grant vests upon the earliest to occur of any of the following (a) reported net sales of the company in any four consecutive calendar quarters equals or exceeds $100,000,000, (b) the market capitalization of the company is greater than $600,000,000 for ten consecutive trading days, (c) the Centers for Medicare & Medicaid Services assign the company transitional add on reimbursement payment status for the drug product, Triferic, or (d) immediately prior to a change in control. This grant can only be settled in cash."}],"balance_after":23000,"derivative":{"exercise_price":6.45,"expiration_date":"2027-09-05","underlying":"Common Stock","underlying_shares":23000},"source":{"system":"sec-edgar","filing":"0001209191-17-052145","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1041024/000120919117052145/doc4.xml","form_type":"4"}}]}