Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___ to ___ Commission File Number 1-13449 Quantum Corporation (Exact name of registrant as specified in its charter) Delaware 94-2665054 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 1-13449 QUANTUM CORPORATION Delaware 94-2665054 (State or other jurisdiction of incorporation or organization) 224 Airpor ...

Quantum Corporation (NASDAQ:QMCO) Q1 2020 Earnings Conference Call August 6, 2019 5:00 PM ET Company Participants Rob Fink - FNK IR, IR Jamie Lerner - Chairman and Chief Executive Officer Mike Dodson - Chief Financial Officer Conference Call Participants Eric Martinuzzi - Lake Street Chad Bennett - Craig Hallum Bob Evans - Pennington Capital Ephraim Fields - Echo Lake Capital Orin Hirschman - AIG David Duley - Steelhead Securities Aaron Martin - AIG Operator Good day, ladies and gentlemen, and welcome to Qu ...

Washington, D.C. 20549 FORM 10-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended March 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO Commission File Number 1-13449 QUANTUM CORPORATION (Exact name of Registrant as specified in its Charter) Delaware 94-2665054 ( State or other ju ...