Bruce Keyt - 01 Mar 2024 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Role: CHIEF SCIENTIFIC OFFICER
Signature: /s/ Misbah Tahir, by power of attorney
Issuer symbol: IGMS
Transactions as of: 01 Mar 2024
Net transactions value: +$2,814
Form type: 4
Filing time: 05 Mar 2024, 19:34:06 UTC
Previous filing: 15 Dec 2023
Next filing: 14 Mar 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IGMS	Common Stock	Options Exercise	$2,814	+3,026	+299%	$0.9300	4,039	01 Mar 2024	See footnote	F1
holding	IGMS	Common Stock						129,551	01 Mar 2024	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	IGMS	Stock Option (right to buy)	Options Exercise	$0	-3,026	-100%	$0.000000^*	0	01 Mar 2024	Common Stock	3,026	$0.9300	See footnote	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The securities are held directly by the reporting person's spouse.
F2	The shares subject to the option are vested and exercisable as of the date hereof.