X0202 4 2007-12-17 0 0001353209 LoopNet, Inc. LOOP 0001360339 Boyle Richard J Jr C/O LOOPNET, INC. 185 BERRY STREET, SUITE 4000 SAN FRANCISCO CA 94107 1 1 0 0 Chief Executive Officer Common Stock 2007-12-17 4 S 0 65 13.24 D 1142845 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.26 D 1142775 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.28 D 1142705 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.29 D 1142634 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.2965 D 1142563 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.297 D 1142492 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.2992 D 1142421 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 634 13.30 D 1141787 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.3032 D 1141716 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.3051 D 1141646 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 287 13.31 D 1141359 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.32 D 1141289 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.34 D 1141218 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.35 D 1141147 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.37 D 1141076 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 141 13.38 D 1140935 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.389 D 1140864 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 211 13.39 D 1140653 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.3931 D 1140583 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 563 13.40 D 1140020 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 141 13.41 D 1139879 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 71 13.42 D 1139808 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 141 13.4209 D 1139667 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.4322 D 1139597 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.44 D 1139527 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 211 13.46 D 1139316 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 70 13.48 D 1139246 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 141 13.50 D 1139105 I The Boyle Family Trust Common Stock 2007-12-17 4 S 0 211 13.51 D 1138894 I The Boyle Family Trust Common Stock 133638 D 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 2007-12-18