X0305 4 2012-06-04 0000889930 OVERLAND STORAGE INC OVRL 0001418351 Denzel Nora C/O OVERLAND STORAGE, INC. 9112 SPECTRUM CENTER BOULEVARD SAN DIEGO CA 92123 1 0 0 0 Stock Option (right to buy) 2.16 2012-06-04 4 A 0 22728 0 A 2012-06-14 2018-06-04 Common Stock 22728 22728 D Restricted Stock Units 0 2012-06-04 4 D 0 22728 0 D 2012-06-14 2012-06-14 Common Stock 22728 0 D These transactions reflect the grant of a stock option to the reporting person in exchange for the cancellation of unvested restricted stock units originally granted by the issuer to the reporting person on May 10, 2011. /s/ Denise Garrett as Attorney-in-fact for Nora Denzel 2012-06-06