George Gauthier - 04 Apr 2023 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Role: Chief Commercial Officer
Signature: /s/ Fred Schwarzer, by power of attorney
Issuer symbol: IGMS
Transactions as of: 04 Apr 2023
Net transactions value: -$11,781
Form type: 4
Filing time: 06 Apr 2023, 21:39:14 UTC
Previous filing: 16 Mar 2023
Next filing: 20 Apr 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IGMS	Common Stock	Award	$0	+16,250	+88%	$0.000000	34,813	04 Apr 2023	Direct	F1
transaction	IGMS	Common Stock	Sale	$11,781	-935	-2.7%	$12.60	33,878	05 Apr 2023	Direct	F2

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	+32,500		$0.000000	32,500	04 Apr 2023	Common Stock	32,500	$12.86	Direct	F3

* 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-fourth of the RSUs shall vest on March 12, 2024 and each one-year anniversary thereafter, provided that the Reporting Person remains a service provider through each vesting date.
F2	The sale reported by the Reporting Person was effected pursuant to a Rule 10b5-1 trading plan, entered into on December 29, 2022, prior to the effectiveness of the revised requirements of Rule 10b5-1(c). In compliance with SEC guidance, the Reporting Person has not checked the box above but states that the Rule 10b5-1 trading plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).
F3	1/48 of the shares subject to the option shall vest on April 12, 2023 and each month thereafter, provided that the Reporting Person remains a service provider through each vesting date.