Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001068800-11-000072
Filing Date
2011-06-20
Accepted
2011-06-20 11:07:42
Documents
1

Document Format Files

Seq Description Document Type Size
1 schedule13d.htm SC 13D/A 68281
  Complete submission text file 0001068800-11-000072.txt   69549
Mailing Address 41 SEYON STREET BUILDING 1, SUITE 100 WALTHAM MA 02453
Business Address 41 SEYON STREET BUILDING 1, SUITE 100 WALTHAM MA 02453 7814499560
REPLIGEN CORP (Subject) CIK: 0000730272 (see all company filings)

EIN.: 042729386 | State of Incorp.: DE | Fiscal Year End: 0331
Type: SC 13D/A | Act: 34 | File No.: 005-38071 | Film No.: 11920348
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 219 E. LAKE SHORE DRIVE CHICAGO IL 60611
Business Address
CHEZ RONALD L (Filed by) CIK: 0000942801 (see all company filings)

Type: SC 13D/A