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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001068800-13-000022
Filing Date
2013-07-23
Accepted
2013-07-23 10:00:42
Documents
1

Document Format Files

Seq Description Document Type Size
1 sched13da14.htm SC 13D/A 45403
  Complete submission text file 0001068800-13-000022.txt   46671
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: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-38071 | Film No.: 13980479
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