0001415889-24-020003.txt : 20240723 0001415889-24-020003.hdr.sgml : 20240723 20240723204057 ACCESSION NUMBER: 0001415889-24-020003 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240719 FILED AS OF DATE: 20240723 DATE AS OF CHANGE: 20240723 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Keyt Bruce CENTRAL INDEX KEY: 0001787362 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 241135910 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] 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 form4-07242024_120753.xml X0508 4 2024-07-19 0001496323 IGM Biosciences, Inc. IGMS 0001787362 Keyt Bruce C/O IGM BIOSCIENCES, INC. 325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 false true false false CHIEF SCIENTIFIC OFFICER 0 Common Stock 2024-07-19 4 A 0 43888 A 241657 D Common Stock 2024-07-19 4 A 0 2778 A 244435 D Common Stock 4039 I See footnote Stock Option (right to buy) 40.27 2024-07-19 4 D 0 75000 D 2030-02-05 Common Stock 75000 0 D Stock Option (right to buy) 91.50 2024-07-19 4 D 0 50000 D 2031-02-19 Common Stock 50000 0 D These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. One-half of the RSUs shall vest on July 19, 2025 and one-eighth of the RSUs shall vest each three-month anniversary thereafter, provided that the Reporting Person remains a service provider through each vesting date. Pursuant to the Issuer's previously disclosed option exchange program, on July 19, 2024 the Issuer cancelled the Reporting Person's options to purchase 75,000 shares and 50,000 shares of the Issuer's Common Stock and in exchange issued aggregate RSU grants of 43,888 shares and 2,778 shares. These securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. One-half of the RSUs shall vest on January 19, 2026 and one-twelfth of the RSUs shall vest each three-month anniversary thereafter, provided that the Reporting Person remains a service provider through each vesting date. The shares are held directly by the Reporting Person's spouse. /s/ Misbah Tahir, by power of attorney 2024-07-23