Mary Beth Harler - Oct 2, 2024 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Role: Chief Executive Officer, Director
Signature: /s/ Misbah Tahir, by power of attorney
Stock symbol: IGMS
Transactions as of: Oct 2, 2024
Transactions value $: $0
Form type: 4
Date filed: 10/4/2024, 06:23 PM
Previous filing: Sep 17, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IGMS	Common Stock	Award	$0	+185K	+112.98%	$0.00	349K	Oct 2, 2024	Direct	F1

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)	Award	$0	+370K		$0.00	370K	Oct 2, 2024	Common Stock	370K	$14.40	Direct	F2

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

Explanation of Responses:

Id	Content
F1	These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock. One-third of the RSUs shall vest on November 12, 2026 and one-twelfth of the RSUs shall vest each three-month anniversary thereafter, provided that the Reporting Person remains a service provider through each vesting date.
F2	1/48th of the shares subject to the option shall vest on October 30, 2024 and each month thereafter, provided that the Reporting Person remains a service provider through each vesting date.