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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001193805-16-002543
Filing Date
2016-02-11
Accepted
2016-02-11 20:20:36
Documents
2
Period of Report
2016-02-09

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT e614635_3-zafgen.html 3  
1 OWNERSHIP DOCUMENT e614635_3-zafgen.xml 3 10873
2 e614635_ex99.htm EX-99 29290
  Complete submission text file 0001193805-16-002543.txt   44528
Mailing Address 780 THIRD AVENUE, 37TH FLOOR NEW YORK NY 10017
Business Address 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 2125511600
DEERFIELD MANAGEMENT CO (Reporting) CIK: 0001009258 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-36510 | Film No.: 161413783

Mailing Address 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017
Business Address 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 2125511600
Deerfield Mgmt L.P. (Reporting) CIK: 0001010823 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-36510 | Film No.: 161413784

Mailing Address 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017
Business Address 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017 212-551-1600
DEERFIELD PARTNERS, LP (Reporting) CIK: 0001301041 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-36510 | Film No.: 161413781

Mailing Address 780 THIRD AVENUE 37TH FLOOR NEW YORK NY 10017
Business Address
Flynn James E (Reporting) CIK: 0001352546 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-36510 | Film No.: 161413785

Mailing Address 780 3RD AVENUE 37TH FLOOR NEW YORK NY 10017
Business Address 780 3RD AVENUE 37TH FLOOR NEW YORK NY 10017 212-551-1600
Deerfield Special Situations Fund, L.P. (Reporting) CIK: 0001354395 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-36510 | Film No.: 161413782

Mailing Address 175 PORTLAND STREET 4TH FLOOR BOSTON MA 02114
Business Address 175 PORTLAND STREET 4TH FLOOR BOSTON MA 02114 617-622-4003
ZAFGEN, INC. (Issuer) CIK: 0001374690 (see all company filings)

IRS No.: 203857670 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations

Mailing Address 780 THIRD AVENUE, 37TH FLOOR NEW YORK NY 10017
Business Address 780 THIRD AVENUE, 37TH FLOOR NEW YORK NY 10017 212-692-7108
Deerfield International Master Fund, L.P. (Reporting) CIK: 0001565089 (see all company filings)

Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-36510 | Film No.: 161413780