X0306 4 2014-10-07 false 0000867773 SUNPOWER CORP SPWR 0001387222 Wenger Howard C/O SUNPOWER CORPORATION 77 RIO ROBLES SAN JOSE CA 95134 false true false false President, Business Units Common Stock 2014-10-07 4 S false 22000 32.06 D 135849 D The sale reported on this Form 4 was effected pursuant to a previously adopted rule 10b5-1 trading plan by the reporting person. David Zelkind, attorney-in-fact for Howard Wenger 2014-10-09