William K Heiden Macrogenics Inc (MGNX) insider trading activity

MGNX Quotes by TradingView

William K Heiden is Director of MACROGENICS INC. Currently has a direct ownership of 111,000 shares of MGNX, which is worth approximately $170,940. The most recent transaction as insider was on Aug 20, 2025, when has been sold 49,500 shares (Common Stock) at a price of $1.49 per share, resulting in proceeds of $73,755. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 111K
0% 3M change
2366.67% 12M change
Total Value Held $170,940

WILLIAM K HEIDEN Transaction History

Date Transaction Value Shares Traded Shares Held Form
Aug 20 2025
BUY
Open market or private purchase
$73,755 $1.49 p/Share
49,500 Added 30.84%
111,000 Common Stock
Aug 19 2025
BUY
Open market or private purchase
$76,760 $1.52 p/Share
50,500 Added 45.09%
61,500 Common Stock
May 20 2025
BUY
Exercise of conversion of derivative security
-
6,500 Added 37.14%
11,000 Common Stock
May 20 2024
BUY
Exercise of conversion of derivative security
-
4,500 Added 50.0%
4,500 Common Stock

Also insider at

ATRA
Atara Biotherapeutics, Inc. Healthcare
WKH

William K Heiden

Director
South San Francisco, CA

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