0001415889-24-020266.txt : 20240729 0001415889-24-020266.hdr.sgml : 20240729 20240729174515 ACCESSION NUMBER: 0001415889-24-020266 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240725 FILED AS OF DATE: 20240729 DATE AS OF CHANGE: 20240729 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hambleton Julie CENTRAL INDEX KEY: 0001578771 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 241153715 MAIL ADDRESS: STREET 1: C/O FIVE PRIME THERAPEUTICS, INC. STREET 2: TWO CORPORATE DRIVE CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: IGM Biosciences, Inc. CENTRAL INDEX KEY: 0001496323 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 770349194 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 325 E MIDDLEFIELD ROAD CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 BUSINESS PHONE: 650-965-7873 MAIL ADDRESS: STREET 1: 325 E MIDDLEFIELD ROAD CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 FORMER COMPANY: FORMER CONFORMED NAME: Palingen, Inc. DATE OF NAME CHANGE: 20100712 4 1 form4-07292024_090711.xml X0508 4 2024-07-25 0001496323 IGM Biosciences, Inc. IGMS 0001578771 Hambleton Julie C/O IGM BIOSCIENCES, INC. 325 E MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 true false false false 1 Common Stock 2024-07-25 4 M 0 15132 1.39 A 17132 D Common Stock 2024-07-25 4 S 0 15132 14 D 2000 D Stock Option (right to buy) 1.39 2024-07-25 4 M 0 15132 0 D 2028-12-22 Common Stock 15132 0 D The option exercise and sale reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 18, 2024. All of the shares subject to this option are fully vested and exercisable as of the date hereof. /s/ Misbah Tahir, by power of attorney 2024-07-29