0001209191-23-057112.txt : 20231201 0001209191-23-057112.hdr.sgml : 20231201 20231201190249 ACCESSION NUMBER: 0001209191-23-057112 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231129 FILED AS OF DATE: 20231201 DATE AS OF CHANGE: 20231201 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Gauthier George CENTRAL INDEX KEY: 0001857434 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 231460922 MAIL ADDRESS: STREET 1: C/O IGM BIOSCIENCES, INC. STREET 2: 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 X0508 4 2023-11-29 0 0001496323 IGM Biosciences, Inc. IGMS 0001857434 Gauthier George C/O IGM BIOSCIENCES, INC. 325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 0 1 0 0 Chief Commercial Officer 0 Common Stock 2023-11-15 5 A 0 E 1740 5.02 A 40822 D Common Stock 2023-11-29 4 S 0 1180 6.213 D 39642 D The shares were acquired under the IGM Biosciences, Inc. 2019 Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c). These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units. This transaction was executed in multiple trades at prices ranging from $5.79 to $6.45. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. /s/ Misbah Tahir, by power of attorney 2023-12-01