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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000932440-07-000662
Filing Date
2007-11-13
Accepted
2007-11-13 09:49:18
Documents
1
Period of Report
2007-11-09

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 7618
  Complete submission text file 0000932440-07-000662.txt   10741
Mailing Address 3985 RESEARCH PARK DRIVE ANN ARBOR MI 48108
Business Address 3985 RESEARCH PARK DRIVE ANN ARBOR MI 48108 734-332-7800
PIPEX PHARMACEUTICALS, INC. (Issuer) CIK: 0000894158 (see all company filings)

IRS No.: 133808303 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 430 PARK AVENUE, 12TH FLOOR NEW YORK NY 10022
Business Address 212-756-1562
Holman Wayne George (Reporting) CIK: 0001357605 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-12584 | Film No.: 071235042

Mailing Address 430 PARK AVENUE, 12TH FLOOR NEW YORK NY 10022
Business Address 430 PARK AVENUE, 12TH FLOOR NEW YORK NY 10022 212-756-1562
Ridgeback Capital Management LLC (Reporting) CIK: 0001357610 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12584 | Film No.: 071235043

Mailing Address 430 PARK AVENUE 12TH FLOOR NEW YORK NY 10022
Business Address 430 PARK AVENUE 12TH FLOOR NEW YORK NY 10022 212-624-2567
Ridgeback Capital Investments Ltd. (Reporting) CIK: 0001358916 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 001-12584 | Film No.: 071235044