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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001193805-20-000884
Filing Date
2020-07-23
Accepted
2020-07-23 19:08:11
Documents
2
Period of Report
2020-07-23

Document Format Files

Seq Description Document Type Size
1 e619801_3-annexon.html 3  
1 e619801_3-annexon.xml 3 11397
2 e619801_ex99.htm EX-99 8159
  Complete submission text file 0001193805-20-000884.txt   24058
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 COMPANY, L.P. (SERIES C) (Reporting) CIK: 0001009258 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 201044745

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.: 001-39402 | Film No.: 201044747

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, L.P. (Reporting) CIK: 0001301041 (see all company filings)

State of Incorp.: DE
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 201044748

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.: 001-39402 | Film No.: 201044743

Mailing Address 180 KIMBALL WAY SUITE 200 SOUTH SAN FRANCISCO CA 94080
Business Address 180 KIMBALL WAY SUITE 200 SOUTH SAN FRANCISCO CA 94080 (650)-822-5500
Annexon, Inc. (Issuer) CIK: 0001528115 (see all company filings)

IRS No.: 275414423 | 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)551-1600
Deerfield Private Design Fund IV, L.P. (Reporting) CIK: 0001680307 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 201044746

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 Mgmt IV, L.P. (Reporting) CIK: 0001713467 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 201044744