X0303 4 2010-01-21 0 0001400400 DemandTec, Inc. DMAN 0001407715 Phelps William 1 FRANKLIN PARKWAY BUILDING 910 SAN MATEO CA 94403 0 1 0 0 EVP & COO Common Stock 2010-01-21 4 S 0 22750 7.138 D 15000 D Sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on January 29, 2009. Average sale price of $7.138 consists of the following blocks: 1700 shares were sold at $7.03 per share; 1600 at $7.04; 3200 at $7.05; 700 at $7.06; 2366 at $7.07; 3300 at $7.08; 734 at $7.09; 897 at $7.10; 1000 at $7.11; 1000 at $7.12; 300 at $7.13; 3 at $7.14; 100 at $7.15; 694 at $7.16; 1400 at $7.17; 506 at $7.18; 100 at $7.19; 200 at $7.21; 100 at $7.22; 100 at $7.26; 300 at $7.34; 100 at $7.45; 100 at $7.47; 1100 at $7.50; 200 at $7.51; 100 at $7.53; 120 at $7.57; 450 at $7.60; 180 at $7.61 and 100 shares were sold at $7.62 per share. By: Michael McAdam, Attorney in Fact For: William Phelps 2010-01-25