SCHEDULE 13G/A 0002002076 XXXXXXXX LIVE 2 Common Stock, par value $0.01 per share 02/07/2025 0000709283 Quantum Corporation 747906501 224 Airport Parkway Suite 550 San Jose CA 95110 Rule 13d-1(c) ADK Soho Fund LP DE 0.00 0.00 0.00 0.00 0.00 N 0 PN ADK Capital LLC DE 0.00 0.00 0.00 0.00 0.00 N 0 OO Nat Klipper X1 0.00 0.00 0.00 0.00 0.00 N 0 IN Quantum Corporation 224 Airport Parkway, Suite 550 San Jose, CA 95110 The Statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons") i) ADK Soho Fund LP (the "Fund"); ii) ADK Capital LLC ("Capital"); and iii) Nat Klipper Capital serves as the general partner of the Fund, which directly holds Shares (as defined in Item 2(d) below). Nat Klipper serves as the Managing Member of Capital and the Managing Partner of the Fund. The address of the principal business office of each of the Reporting Persons is 429 Lenox Avenue, Miami Beach, FL 33139. i) The Fund is a Delaware limited partnership; ii) Capital is a Delaware limited liability company; and iii) Nat Klipper is a United States citizen. Y Fund - 0 Shares Capital - 0 Shares Nat Klipper - 0 Shares Fund - 0% Capital - 0% Nat Klipper - 0% Number of shares as to which the Fund has: (i) Sole power to vote or to direct the vote: 0 Number of shares as to which Capital has: (i) Sole power to vote or to direct the vote: 0 Number of shares as to which Nat Klipper has: (i) Sole power to vote or to direct the vote: 0 Number of shares as to which the Fund has: (ii) Shared power to vote or to direct the vote: 0 Number of shares as to which Capital has: (ii) Shared power to vote or to direct the vote: 0 Number of shares as to which Nat Klipper has: (ii) Shared power to vote or to direct the vote: 0 Number of shares as to which the Fund has: (iii) Sole power to dispose or to direct the disposition of: 0 Number of shares as to which Capital has: (iii) Sole power to dispose or to direct the disposition of: 0 Number of shares as to which Nat Klipper has: (iii) Sole power to dispose or to direct the disposition of: 0 Number of shares as to which the Fund has: (iv) Shared power to dispose or to direct the disposition of: 0 Number of shares as to which Capital has: (iv) Shared power to dispose or to direct the disposition of: 0 Number of shares as to which Nat Klipper has: (iv) Shared power to dispose or to direct the disposition of: 0 Capital may be deemed to have sole power to vote and sole power to dispose of the Shares held by the Fund, through its capacity as general partner of the Fund. Nat Klipper may be deemed to have sole power to vote and sole power to dispose of the Shares held by the Fund, through his capacity as the Managing Member of Capital and the Managing Partner of the Fund. As of February 7, 2025, all Shares held by Capital, Fund, and Nat Klipper were sold on open market. As such, each of the Reporting Persons has ceased to be the beneficial owner of any outstanding Shares. This filing constitutes an exit filing for each of the Reporting Persons. N Y Y N See disclosure in Item 2, which is incorporated by reference herein. Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. ADK Soho Fund LP /s/ Nat Klipper 05/08/2025 ADK Capital LLC /s/ Nat Klipper 05/08/2025 Nat Klipper /s/ Nat Klipper 05/08/2025