SC 13G/A | SEC Filings Hub

Filing metadata

Accession number: 0000909012-12-000288
Form type: SC 13G
Filer: PERCEPTIVE ADVISORS LLC
CIK: CIK 1224962
Filed: May 23, 2012
Reporting period: —
Description: Passive 5%+ stake

Documents

0000909012-12-000288-index.htm

Complete submission

0000909012-12-000288.txt

directory listing

Filed by

PERCEPTIVE ADVISORS LLC