Fred Schwarzer - 12 Mar 2024 Form 4 Insider Report for IGM Biosciences, Inc. (IGMS)

Role: CEO AND PRESIDENT, Director
Signature: /s/ Misbah Tahir, by power of attorney
Issuer symbol: IGMS
Transactions as of: 12 Mar 2024
Net transactions value: $0
Form type: 4
Filing time: 14 Mar 2024, 18:18:45 UTC
Previous filing: 15 Dec 2023
Next filing: 15 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	Award	$0	+122,750	+119%	$0.000000	225,598	12 Mar 2024	Direct	F1
holding	IGMS	Common Stock						196,718	12 Mar 2024	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	+245,500		$0.000000	245,500	12 Mar 2024	Common Stock	245,500	$9.95	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-sixteenth of the RSUs shall vest on June 12, 2024 and each three-month 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	One forty-eighth of the shares subject to the option shall vest on April 12, 2024 and each month thereafter, provided that the Reporting Person remains a service provider through each vesting date.