X0202 4 2007-07-02 0 0001353209 LoopNet, Inc. LOOP 0001360343 Stumme Brent C/O LOOPNET, INC. 181 W. HUNTINGTON DRIVE, SUITE 208 MONROVIA CA 91016 0 1 0 0 CFO and VP, Finance/Admin Common Stock 2007-07-02 4 S 0 55 23.53 D 168929 D Common Stock 2007-07-02 4 S 0 167 23.61 D 168762 D Common Stock 2007-07-02 4 S 0 139 23.64 D 168623 D Common Stock 2007-07-02 4 S 0 111 23.65 D 168512 D Common Stock 2007-07-02 4 S 0 28 23.66 D 168484 D Common Stock 2007-07-02 4 S 0 28 23.67 D 168456 D Common Stock 2007-07-02 4 S 0 167 23.69 D 168289 D Common Stock 2007-07-02 4 S 0 28 23.70 D 168261 D Common Stock 2007-07-02 4 S 0 167 23.71 D 168094 D Common Stock 2007-07-02 4 S 0 55 23.72 D 168039 D Common Stock 2007-07-02 4 S 0 28 23.74 D 168011 D Common Stock 2007-07-02 4 S 0 55 23.75 D 167956 D Common Stock 2007-07-02 4 S 0 250 23.85 D 167706 D Common Stock 2007-07-02 4 S 0 250 23.86 D 167456 D Common Stock 2007-07-02 4 S 0 195 23.87 D 167261 D Common Stock 2007-07-02 4 S 0 305 23.88 D 166956 D Common Stock 2007-07-02 4 S 0 28 23.89 D 166928 D Common Stock 2007-07-02 4 S 0 111 23.90 D 166817 D Common Stock 2007-07-02 4 S 0 250 23.91 D 166567 D Common Stock 2007-07-02 4 S 0 28 23.92 D 166539 D Common Stock 2007-07-02 4 S 0 92 23.94 D 166447 D Common Stock 2007-07-02 4 S 0 375 23.95 D 166072 D Common Stock 2007-07-02 4 S 0 49 23.96 D 166023 D Common Stock 2007-07-02 4 S 0 361 23.97 D 165662 D Common Stock 2007-07-02 4 S 0 500 23.98 D 165162 D Common Stock 2007-07-02 4 S 0 89 23.99 D 165073 D Common Stock 2007-07-02 4 S 0 667 24.00 D 164406 D Common Stock 2007-07-02 4 S 0 528 24.01 D 163878 D Common Stock 2007-07-02 4 S 0 764 24.02 D 163114 D Common Stock 348124 I The Stumme Family Trust The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person when not in possession of material non-public information. /s/ Maria Valles as Attorney-in-Fact 2007-07-02