OmniSky

Prospectus Summary

This summary highlights information contained elsewhere in this prospectus. This summary is not complete and does not contain all of the information you should consider before buying shares in the offering. You should read the entire prospectus carefully. Except where we state otherwise, all information in this prospectus (1) reflects the conversion of all outstanding shares of our preferred stock into 63,030,536 shares of common stock effective automatically upon the closing of this offering and (2) assumes no exercise of the underwriters' over-allotment option.