Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000942302-05-000066
Filing Date
2005-02-14
Accepted
2005-02-14 12:27:12
Documents
1

Document Format Files

Seq Description Document Type Size
1 ppco13ga1.txt SC 13G/A 12104
  Complete submission text file 0000942302-05-000066.txt   14091
Mailing Address 39 OLD RIDGEBURY ROAD SUITE 11 DANBURY CT 06810-5120
Business Address 39 OLD RIDGEBURY ROAD SUITE 11 DANBURY CT 06810-5120 877-736-9378
PENWEST PHARMACEUTICALS CO (Subject) CIK: 0001047188 (see all company filings)

EIN.: 911513032 | State of Incorp.: WA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-55303 | Film No.: 05605773
SIC: 2834 Pharmaceutical Preparations

Mailing Address 388 MARKET STREET SUITE 200 SAN FRANCISCO CA 94111
Business Address 388 MARKET STREET SUITE 200 SAN FRANCISCO CA 94111 4155912700
RS INVESTMENT MANAGEMENT CO LLC (Filed by) CIK: 0001085256 (see all company filings)

EIN.: 943321067
Type: SC 13G/A