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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-23-014140
Filing Date
2023-05-30
Accepted
2023-05-30 21:55:00
Documents
1
Period of Report
2023-05-25

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 11472
  Complete submission text file 0000899243-23-014140.txt   14632
Mailing Address 1400 SIERRA POINT PARKWAY BLDG C, SUITE 200 BRISBANE CA 94005
Business Address 1400 SIERRA POINT PARKWAY BLDG C, SUITE 200 BRISBANE CA 94005 (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 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 617-516-2000
Bain Capital Life Sciences Fund, L.P. (Reporting) CIK: 0001687968 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 23978788

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162878
BCIP Life Sciences Associates, LP (Reporting) CIK: 0001702921 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 23978786

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162878
Bain Capital Life Sciences Partners, LP (Reporting) CIK: 0001703030 (see all company filings)

State of Incorp.: E9 | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 23978787

Mailing Address 200 CLARENDON STREET BOSTON MA 02116
Business Address 200 CLARENDON STREET BOSTON MA 02116 6175162878
Bain Capital Life Sciences Investors, LLC (Reporting) CIK: 0001703031 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-39402 | Film No.: 23978789