0001209191-21-017589.txt : 20210303 0001209191-21-017589.hdr.sgml : 20210303 20210303214339 ACCESSION NUMBER: 0001209191-21-017589 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210303 DATE AS OF CHANGE: 20210303 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Keyt Bruce CENTRAL INDEX KEY: 0001787362 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 21712378 MAIL ADDRESS: STREET 1: 325 E. MIDDLEFIELD ROAD CITY: MOUNTAIN VIEW STATE: CA ZIP: 94043 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: IGM Biosciences, Inc. CENTRAL INDEX KEY: 0001496323 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] 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 doc4.xml FORM 4 SUBMISSION X0306 4 2021-03-01 0 0001496323 IGM Biosciences, Inc. IGMS 0001787362 Keyt Bruce C/O IGM BIOSCIENCES, INC. 325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 0 1 0 0 Chief Scientific Officer Common Stock 2021-03-01 4 M 0 2500 0.93 A 5269 D Common Stock 2021-03-01 4 F 0 881 92.44 D 4388 D Common Stock 2021-03-02 4 S 0 1619 90.25 D 2769 D Common Stock 1013 I See footnote Stock Option (right to buy) 0.93 2021-03-01 4 M 0 2500 0.00 D 2025-03-10 Common Stock 2500 20264 D The option exercise and sale were effected pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person. Represents shares withheld by the Issuer to pay the exercise price and taxes pursuant to the "net exercise" of 2,500 option shares. The shares are held directly by the reporting person's spouse. The shares subject to the option are vested and exercisable as of the date hereof. /s/ Misbah Tahir, by power of attorney 2021-03-03