X0202 4 2007-10-26 0001000180 SANDISK CORP SNDK 0001163715 MARKS MICHAEL E 601 MCCARTHY BLVD. MILPITAS CA 95035 1 0 0 0 Common Stock 2007-10-26 4 P 0 300 40.27 A 300 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 300 40.29 A 600 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.30 A 800 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.32 A 1000 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 500 40.35 A 1500 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 1900 40.36 A 3400 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 900 40.37 A 4300 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.38 A 4500 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.39 A 4700 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 400 40.40 A 5100 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.41 A 5300 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 300 40.42 A 5600 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 400 40.43 A 6000 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 600 40.44 A 6600 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.45 A 6800 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 600 40.46 A 7400 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.49 A 7600 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 700 40.51 A 8300 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 2100 40.53 A 10400 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 300 40.54 A 10700 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 100 40.55 A 10800 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 400 40.56 A 11200 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 200 40.57 A 11400 I By Limited Liability Company Common Stock 2007-10-26 4 P 0 500 40.58 A 11900 I By Limited Liability Company Common Stock 1842 D Common Stock 1338 I By Marks Family Trust Common Stock 20000 I By Limited Liability Company Common Stock 6000 I By Justin Caine Marks Trust Common Stock 6000 I By Amy G Marks Trust These shares are held by WB Investors, LLC controlled by the reporting person. Includes 1,842 shares of the Issuer's common stock subject to restricted stock units, and those shares will not actually be issued until the units vest. These shares are held by the Marks Family Trust UA DTD 07/07/2000 of which the reporting person is co-trustee and co-beneficiary. These shares are held by Epping, LLC controlled by the reporting person. These shares are held by the Justin Caine Marks Trust U/A DTD 06/06/95 of which the reporting person is co-trustee and a family member is the beneficiary. These shares are held by the Amy G Marks Trust U/A DTD 06/06/95 of which the reporting person is co-trustee and a family member is the beneficiary. Filing 1 of 3 for transaction date 10-26-07 Sharon L. Spehar - Attorney in Fact for Michael E. Marks 2007-10-26