X0202 4 2006-07-31 0000855906 SILICON STORAGE TECHNOLOGY INC SSTI 0001271443 LAI JACK K C/O 1171 SONORA COURT SUNNYVALE CA 94086 0 1 0 0 VP, Administration & Corporate Common Stock 2006-07-31 4 M 0 306 3.582 A 18307 D Employee Stock Purchase Plan /s/Jack K. Lai 2006-08-01