0001209191-23-052261.txt : 20231005 0001209191-23-052261.hdr.sgml : 20231005 20231005194254 ACCESSION NUMBER: 0001209191-23-052261 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20231003 FILED AS OF DATE: 20231005 DATE AS OF CHANGE: 20231005 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Thompson Elizabeth H.Z. CENTRAL INDEX KEY: 0001861477 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39045 FILM NUMBER: 231312433 MAIL ADDRESS: STREET 1: C/O HORIZON THERAPEUTICS, INC. STREET 2: 2 TOWER PLACE, 12TH FLOOR CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 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 3 1 doc3.xml FORM 3 SUBMISSION X0206 3 2023-10-03 1 0001496323 IGM Biosciences, Inc. IGMS 0001861477 Thompson Elizabeth H.Z. C/O IGM BIOSCIENCES, INC. 325 E. MIDDLEFIELD ROAD MOUNTAIN VIEW CA 94043 1 0 0 0 Exhibit 24 - Power of Attorney /s/ Misbah Tahir, by power of attorney 2023-10-05 EX-24 2 attachment1.htm EX-24 DOCUMENT

                                POWER OF ATTORNEY

      The undersigned, as a Section 16 reporting person of IGM Biosciences, Inc.
(the "Company"), hereby constitutes and appoints Fred Schwarzer and Misbah
Tahir, and each of them, as the undersigned's true and lawful attorney-in-fact
to:

	1.  complete and execute Forms 3, 4 and 5 and other forms and all
amendments thereto as such attorney-in-fact shall in his discretion determine to
be required or advisable pursuant to Section 16 of the Securities Exchange Act
of 1934 (as amended) and the rules and regulations promulgated thereunder,
or any successor laws and regulations, as a consequence of the undersigned's
ownership, acquisition or disposition of securities of the Company; and

	2.  do all acts necessary in order to file such forms with the Securities
and Exchange Commission, any securities exchange or national association, the
Company and such other person or agency as the attorneys-in-fact shall deem
appropriate.

      The undersigned hereby ratifies and confirms all that said attorneys-in-
fact and agents shall do or cause to be done by virtue hereof. The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving in such capacity
at the request of the undersigned, are not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with Section 16
of the Securities Exchange Act of 1934 (as amended). This Power of Attorney
shall remain in full force and effect until the undersigned is no longer
required to file Forms 3, 4 and 5 with respect to the undersigned's holdings
of and transactions in securities issued by the Company, unless earlier revoked
by the undersigned in a signed writing delivered to the Company and the
foregoing attorneys-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 3rd day of October, 2023.

      					ELIZABETH H.Z. THOMPSON, PH.D.

      					/s/ Elizabeth H.Z. Thompson