Mary Beth Harler Igm Biosciences, Inc. (IGMS) insider trading activity

Mary Beth Harler is Chief Executive Officer of IGM Biosciences, Inc.. Currently has a direct ownership of 338,181 shares of IGMS, which is worth approximately $456,544. The most recent transaction as insider was on Jun 16, 2025, when has been sold 1,522 shares (Common Stock) at a price of $1.2 per share, resulting in proceeds of $1,826. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 338K

0.45% 3M change

296.8% 12M change

Total Value Held $456,544

Mary Beth Harler Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 16 2025	SELL Open market or private sale	$1,826 $1.2 p/Share	1,522 Reduced 0.45%	338,181 Common Stock
Mar 14 2025	SELL Open market or private sale	$9,014 $1.23 p/Share	7,329 Reduced 2.11%	339,703 Common Stock
Dec 16 2024	SELL Open market or private sale	$12,775 $7.48 p/Share	1,708 Reduced 0.49%	347,032 Common Stock
Oct 02 2024	BUY Grant, award, or other acquisition	-	185,000 Added 34.66%	348,740 Common Stock
Sep 13 2024	SELL Open market or private sale	$17,159 $11.54 p/Share	1,487 Reduced 0.9%	163,740 Common Stock
Jul 19 2024	BUY Grant, award, or other acquisition	-	80,000 Added 32.62%	165,227 Common Stock
Jun 14 2024	SELL Open market or private sale	$11,900 $7.58 p/Share	1,570 Reduced 1.81%	85,227 Common Stock

MBH

Mary Beth Harler

Chief Executive Officer

Mountain View, CA

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