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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0000950159-07-000897
Filing Date
2007-07-17
Accepted
2007-07-17 16:06:40
Documents
1

Document Format Files

Seq Description Document Type Size
1 chez13d.txt SC 13D/A 14390
  Complete submission text file 0000950159-07-000897.txt   16151
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)

IRS No.: 042729386 | State of Incorp.: DE | Fiscal Year End: 0331
Type: SC 13D/A | Act: 34 | File No.: 005-38071 | Film No.: 07984228
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address 219 E. LAKE SHORE DRIVE CHICAGO IL 60611
Business Address 8479834950
CHEZ RONALD L (Filed by) CIK: 0000942801 (see all company filings)

Type: SC 13D/A