SC 13G | SEC Filings Hub

Filing metadata

Accession number: 0000902664-11-000781
Form type: SC 13G
Filer: ENZON PHARMACEUTICALS INC
CIK: CIK 727510
Filed: Apr 21, 2011
Reporting period: Apr 11, 2011
Description: Passive 5%+ stake

Documents

0000902664-11-000781-index.htm

Complete submission

0000902664-11-000781.txt

directory listing

Filed by

ENZON PHARMACEUTICALS INC