Singulex, Inc.

06

Withdrawal of a registration statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration of Securities on Exchange

Amended Initial Registration Statement

Amended Initial Registration Statement

Amended Initial Registration Statement

Registration (IPO) statement under Securities Act of 1933

06

06

06

06

06

FILED AS OF DATE: 20070426

FILED AS OF DATE: 20061201

06

FILED AS OF DATE: 20051109

06