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

Role: CEO and President, Director
Signature: /s/ Fred Schwarzer
Issuer symbol: IGMS
Transactions as of: 04 Apr 2023
Net transactions value: $0
Form type: 4
Filing time: 06 Apr 2023, 21:43:35 UTC
Previous filing: 20 Dec 2022
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	+67,500	+332%	$0.000000	87,860	04 Apr 2023	Direct	F1
holding	IGMS	Common Stock						196,718	04 Apr 2023	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	+135,000		$0.000000	135,000	04 Apr 2023	Common Stock	135,000	$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 shares are held by Fred M. Schwarzer & Deborah R. Schwarzer TTEES of the Schwarzer Family Trust U/A DTD 04/05/2018.
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.