DOR BIOPHARMA/SIGMA TAU PHARMACEUTICALS SCHEDULE 13D - 02/11/09

Company

SOLIGENIX, INC.

Filed

February 20, 2009

Accession Number

0000950162-09-000089

A Schedule 13D is filed when an investor acquires more than 5% of a company's shares with an intent to influence control. Learn more about SC 13D filings →