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This Form 4 is a required filing under the Securities Exchange Act of 1934, and the securities in this Form 4 are subject to the terms of that certain Lock-Up Letter\nAgreement, by and between the issuer and the Reporting Person, dated as of June 1, 2026, and is subject to clause (h) thereunder."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The shares were sold on August 3, 2026 at a price of $10.7281 per share."}],"balance_after":13522,"source":{"system":"sec-edgar","filing":"0001628280-26-053354","document":"wk-form4_1785960610.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/709283/000162828026053354/wk-form4_1785960610.xml","form_type":"4"}},{"id":818115,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":26443,"kind":"person","name":"Craythorne Anthony","position":1,"cik":"0002075430","reported_name":"Craythorne Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2026-04-03T20:15:10.000Z","date":"2026-04-01","kind":"grant","planned":false,"acquired":true,"shares":148500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Person's continued service through each vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Person's continued service through each vesting date."}],"balance_after":148500,"derivative":{"exercise_price":5.03,"expiration_date":"2033-04-01","underlying":"Common Stock","underlying_shares":148500},"source":{"system":"sec-edgar","filing":"0001193125-26-142182","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/709283/000119312526142182/ownership.xml","form_type":"4"}},{"id":954215,"issuer":{"id":4987,"kind":"organization","name":"QUANTUM CORP /DE/","symbol":"QMCO"},"owners":[{"id":26443,"kind":"person","name":"Craythorne Anthony","position":1,"cik":"0002075430","reported_name":"Craythorne Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Revenue Officer"}}],"security":"Common Stock","published_at":"2026-01-06T00:41:23.000Z","date":"2026-01-01","kind":"grant","planned":false,"acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest over three years in equal annual installments on each anniversary of the vesting commencement date, subject to the Reporting Person's continued service through each vesting date."}],"balance_after":15000,"source":{"system":"sec-edgar","filing":"0001628280-26-000753","document":"wk-form4_1767660080.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/709283/000162828026000753/wk-form4_1767660080.xml","form_type":"4"}}]}