0001415889-24-008166.txt : 20240315 0001415889-24-008166.hdr.sgml : 20240315 20240315195129 ACCESSION NUMBER: 0001415889-24-008166 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240313 FILED AS OF DATE: 20240315 DATE AS OF CHANGE: 20240315 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Schwarzer Fred CENTRAL INDEX KEY: 0001787361 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 24756565 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 form4-03152024_110323.xml X0508 4 2024-03-13 0001496323 IGM Biosciences, Inc. IGMS 0001787361 Schwarzer Fred C/O IGM BIOSCIENCES, INC. 325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 true true false false CEO AND PRESIDENT 0 Common Stock 2024-03-13 4 S 0 4765 9.8752 D 220833 D Common Stock 2024-03-14 4 S 0 4182 10.1705 D 216651 D Common Stock 196718 I See footnote 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 $9.625 to $10.01. 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. This transaction was executed in multiple trades at prices ranging from $9.80 to $10.43. 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. The shares are held by Fred M. Schwarzer & Deborah R. Schwarzer TTEES of the Schwarzer Family Trust U/A DTD 04/05/2018. /s/ Misbah Tahir, by power of attorney 2024-03-15