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 0 shares of IGMS, which is worth approximately $0. The most recent transaction as insider was on Aug 14, 2025, when has been sold 323,680 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0

100.0% 3M change

100.0% 12M change

Total Value Held $0

Mary Beth Harler Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 14 2025	SELL Sale (or disposition) back to the issuer	-	323,680 Reduced 100.0%	0 Common Stock
Jul 23 2025	SELL Open market or private sale	$18,416 $1.27 p/Share	14,501 Reduced 4.29%	323,680 Common Stock
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

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells IGMS shares.

Notify only if

Value

Insider Trading

Get notified when an Igm Biosciences, Inc. insider buys or sells IGMS shares.

Notify only if

Operation

Value

Type

News

Receive news related to IGM Biosciences, Inc.

Track Activities on IGMS

Account