X0303 4 2010-12-17 0001355790 International Stem Cell CORP ISCO.OB 0001309849 Lundstrom Brian C/O INTERNATIONAL STEM CELL CORP. 2595 JASON COURT OCEANSIDE, CA 92056 0 1 0 0 President Common Stock 2010-12-17 4 M 0 150000 .62 A 150000 D Common Stock 2010-12-17 4 S 0 150000 2.1849 D 0 D Employee Stock Option (Right to Buy) .62 2010-12-17 4 M 0 150000 0 D 2019-11-05 Common Stock 150000 2850000 D Sold Pursuant to a 10b5-1 Sales Plan dated: 10/29/2010. Option issued for 3,000,000 shares on 11/5/2009. 180,000 shares vested after 6 months, For the next six months an additional 30,000 shares per month will vest; at the end of 12 months and additional 360,000 shares will vest, thereafter all previously unvested shares will continue to vest at a rate of 60,000 shares per month until fully vested. /s/ Ray Wood, as attorney-in-fact for Brian Lundstrom 2010-12-21