X0306 4 2015-07-07 0 0000831547 SPECTRUM PHARMACEUTICALS INC SPPI 0001273213 MAIDA ANTHONY E III 11500 S. EASTERN AVE. SUITE 240 HENDERSON NV 89052 1 0 0 0 Common Stock, $0.001 par value 2015-07-07 4 F 0 881 6.96 D 25456 D Represents restricted shares withheld by Spectrum to satisfy Reporting Person's tax withholding obligations. The shares have not been sold by the Reporting Person or by Spectrum. The shares have been cancelled by the transfer agent. /s/ Kurt A. Gustafson, attorney-in-fact for Anthony E. Maida 2015-07-08