0001968582-23-000860.txt : 20231227 0001968582-23-000860.hdr.sgml : 20231227 20231227165033 ACCESSION NUMBER: 0001968582-23-000860 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231227 DATE AS OF CHANGE: 20231227 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Annexon, Inc. CENTRAL INDEX KEY: 0001528115 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 275414423 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-39402 FILM NUMBER: 231518503 BUSINESS ADDRESS: STREET 1: 1400 SIERRA POINT PARKWAY STREET 2: BLDG C, SUITE 200 CITY: BRISBANE STATE: CA ZIP: 94005 BUSINESS PHONE: (650)-822-5500 MAIL ADDRESS: STREET 1: 1400 SIERRA POINT PARKWAY STREET 2: BLDG C, SUITE 200 CITY: BRISBANE STATE: CA ZIP: 94005 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Yednock Ted CENTRAL INDEX KEY: 0001818525 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ANNEXON, INC. STREET 2: 180 KIMBALL WAY, SUITE 200 CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 144 1 primary_doc.xml 144 0001818525 XXXXXXXX LIVE 0001528115 Annexon, Inc. 001-39402 1400 Sierra Point Parkway Brisbane CA 94005 650-822-5500 Ted Yednock Officer Common Stock J.P. Morgan Securities LLC

390 Madison Avenue 6th Floor New York NY 10017

21000 94500 53238985 12/27/2023 Nasdaq Common 12/27/2023 Stock Option Exercise Issuer N 21000 12/27/2023 Cash Y 12/27/2023 03/28/2023 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Ted Yednock