MIDDLEFIELD VENTURES, INC.

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

Initial Quarterly Form 13F Notice Report filed by institutional managers

CLEARWIRE CORP: Initial statement of beneficial ownership of securities

CLEARWIRE CORP: Initial statement of beneficial ownership of securities