0001209191-23-058880.txt : 20231215 0001209191-23-058880.hdr.sgml : 20231215 20231215191845 ACCESSION NUMBER: 0001209191-23-058880 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231213 FILED AS OF DATE: 20231215 DATE AS OF CHANGE: 20231215 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Decker Lisa Lynn CENTRAL INDEX KEY: 0001783056 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 231491898 MAIL ADDRESS: STREET 1: C/O ATRECA INC. STREET 2: 500 SAGINAW DRIVE CITY: REDWOOD CITY STATE: CA ZIP: 94063 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 2023-12-13 0 0001496323 IGM Biosciences, Inc. IGMS 0001783056 Decker Lisa Lynn C/O IGM BIOSCIENCES, INC. 325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 0 1 0 0 Chief Business Officer 0 Common Stock 2023-12-13 4 S 0 4369 5.7782 D 35632 D 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 $5.58 to $6.00. 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 2023-12-15