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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000909012-10-000481
Filing Date
2010-09-27
Accepted
2010-09-27 17:12:17
Documents
1

Document Format Files

Seq Description Document Type Size
1 t305056.txt SC 13D/A 13382
  Complete submission text file 0000909012-10-000481.txt   15344
Mailing Address 2981 ROUTE 22 SUITE 2 PATTERSON NY 12563-2335
Business Address 2981 ROUTE 22 SUITE 2 PATTERSON NY 12563-2335 877-736-9378
PENWEST PHARMACEUTICALS CO (Subject) CIK: 0001047188 (see all company filings)

IRS No.: 911513032 | State of Incorp.: WA | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-55303 | Film No.: 101091482
SIC: 2834 Pharmaceutical Preparations

Mailing Address 499 PARK AVENUE, 25TH FLOOR NEW YORK NY 10022
Business Address 499 PARK AVENUE, 25TH FLOOR NEW YORK NY 10022 646-205-5340
PERCEPTIVE ADVISORS LLC (Filed by) CIK: 0001224962 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A