0001376474-12-000049 424B3 1 20120228 20120228 TECHNEST HOLDINGS INC 0001077800 3829 880357272 NV 0630 424B3 33 333-177821 12648212 352A CHRISTOPHER AVENUE GAITHERSBURG MD 20879 301-767-2810 352A CHRISTOPHER AVENUE GAITHERSBURG MD 20879 FINANCIAL INTRANET INC/NY 19990128 424B3 1 tn_424b3.htm TECHNEST HOLDINGS - PROSPECTUS SUPPLEMENT - 424B3 FILING