Bruce Keyt - 12 Mar 2022 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: 12 Mar 2022
Net transactions value: $0
Form type: 4
Filing time: 15 Mar 2022, 20:52:12 UTC
Previous filing: 17 Nov 2021
Next filing: 17 Mar 2022
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	+12,500	+95%	$0.000000	25,696	12 Mar 2022	Direct	F1
holding	IGMS	Common Stock						1,013	12 Mar 2022	See footnote	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	+75,000		$0.000000	75,000	12 Mar 2022	Common Stock	75,000	$17.11	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, 2023 and each one-year anniversary thereafter, provided that the Reporting Person remains a service provider through each vesting date.
F2	The shares are held directly by the Reporting Person's spouse.
F3	1/48 of the shares subject to the option shall vest on April 12, 2022 and each month thereafter, provided that the Reporting Person remains a service provider through each vesting date.