There have been 50 recent insider transactions recorded for MacroGenics, Inc. (MGNX), including 21 buys and 29 sells. Total insider buying was valued at $1.19M and total insider selling at RSU Award.
Notable insiders with recent activity include Karrels James, Koenig Scott, Risser Eric Blasius. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — MGNX
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-02-15 |
Karrels James |
SVP and CFO |
Option Exercise (Sell) |
14,999 |
- |
- |
- |
| 2026-02-15 |
Koenig Scott |
Director |
Option Exercise (Sell) |
21,165 |
- |
- |
- |
| 2026-02-15 |
Risser Eric Blasius |
President and CEO |
Option Exercise (Sell) |
16,665 |
- |
- |
- |
| 2026-02-15 |
Bonvini Ezio |
Sr VP, Research & CSO |
Option Exercise (Sell) |
16,665 |
- |
- |
- |
| 2026-02-15 |
Spitznagel Thomas |
Sr VP, Technical Ops |
Option Exercise (Sell) |
13,332 |
- |
- |
- |
| 2026-02-15 |
Peters Jeffrey Stuart |
Senior VP, Gc, and Secretary |
Option Exercise (Sell) |
13,332 |
- |
- |
- |
| 2026-02-15 |
Smith Beth Ann |
VP, Controller & Treasurer |
Option Exercise (Sell) |
1,095 |
- |
- |
- |
| 2026-02-12 |
Karrels James |
SVP and CFO |
RSU Award |
25,000 |
- |
- |
25,000 |
| 2026-02-12 |
Risser Eric Blasius |
President and CEO |
RSU Award |
100,000 |
- |
- |
100,000 |
| 2026-02-12 |
Bonvini Ezio |
Sr VP, Research & CSO |
RSU Award |
31,250 |
- |
- |
31,250 |
| 2026-02-12 |
Spitznagel Thomas |
Sr VP, Technical Ops |
RSU Award |
25,000 |
- |
- |
25,000 |
| 2026-02-12 |
Peters Jeffrey Stuart |
Senior VP, Gc, and Secretary |
RSU Award |
25,000 |
- |
- |
25,000 |
| 2026-02-12 |
Smith Beth Ann |
VP, Controller & Treasurer |
RSU Award |
15,625 |
- |
- |
15,625 |
| 2026-02-08 |
Karrels James |
SVP and CFO |
Option Exercise (Sell) |
9,999 |
- |
- |
9,999 |
| 2026-02-08 |
Koenig Scott |
Director |
Option Exercise (Sell) |
15,831 |
- |
- |
15,832 |
| 2026-02-08 |
Risser Eric Blasius |
President and CEO |
Option Exercise (Sell) |
11,166 |
- |
- |
11,166 |
| 2026-02-08 |
Bonvini Ezio |
Sr VP, Research & CSO |
Option Exercise (Sell) |
11,166 |
- |
- |
11,166 |
| 2026-02-08 |
Spitznagel Thomas |
Sr VP, Technical Ops |
Option Exercise (Sell) |
8,999 |
- |
- |
9,000 |
| 2026-02-08 |
Peters Jeffrey Stuart |
Senior VP, Gc, and Secretary |
Option Exercise (Sell) |
8,999 |
- |
- |
9,000 |
| 2026-02-08 |
Smith Beth Ann |
VP, Controller & Treasurer |
Option Exercise (Sell) |
1,583 |
- |
- |
1,584 |
| 2026-02-07 |
Karrels James |
SVP and CFO |
Option Exercise (Sell) |
6,334 |
- |
- |
12,666 |
| 2026-02-07 |
Risser Eric Blasius |
President and CEO |
Option Exercise (Sell) |
6,668 |
- |
- |
13,332 |
| 2026-02-07 |
Bonvini Ezio |
Sr VP, Research & CSO |
Option Exercise (Sell) |
7,001 |
- |
- |
13,999 |
| 2026-02-07 |
Spitznagel Thomas |
Sr VP, Technical Ops |
Option Exercise (Sell) |
6,001 |
- |
- |
11,999 |
| 2026-02-07 |
Peters Jeffrey Stuart |
Senior VP, Gc, and Secretary |
Option Exercise (Sell) |
6,001 |
- |
- |
11,999 |
| 2026-02-07 |
Smith Beth Ann |
VP, Controller & Treasurer |
Option Exercise (Sell) |
2,617 |
- |
- |
5,233 |
| 2025-12-08 |
Smith Beth Ann |
VP, Controller & Treasurer |
RSU Award |
25,000 |
$1.33 |
$33.25K |
25,000 |
| 2025-08-20 |
Heiden William K |
Director |
Informative Buy |
49,500 |
$1.49 |
$73.76K |
111,000 |
| 2025-08-19 |
Heiden William K |
Director |
Informative Buy |
50,500 |
$1.52 |
$76.76K |
61,500 |
| 2025-08-15 |
Spitznagel Thomas |
Sr VP, Technical Ops |
RSU Award |
30,000 |
$1.58 |
$47.4K |
30,000 |
| 2025-08-15 |
Peters Jeffrey Stuart |
Senior VP and General Counsel |
RSU Award |
30,000 |
$1.58 |
$47.4K |
30,000 |
| 2025-08-13 |
Koenig Scott |
Director |
Option Exercise (Sell) |
21,165 |
- |
- |
21,165 |
| 2025-08-13 |
Risser Eric Blasius |
President and CEO |
RSU Award |
550,000 |
$1.66 |
$913K |
550,000 |
| 2025-05-21 |
O'brien Federica F. |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Stump David C |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Hurwitz Edward |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Heiden William K |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Liu Margaret |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Chhabra Meenu |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Jackson Scott Thomas |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Ferrante Karen Jean |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-21 |
Siegel Jay Philip |
Director |
RSU Award |
3,750 |
- |
- |
3,750 |
| 2025-05-20 |
O'brien Federica F. |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Stump David C |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Hurwitz Edward |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Heiden William K |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Liu Margaret |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Chhabra Meenu |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Jackson Scott Thomas |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
| 2025-05-20 |
Ferrante Karen Jean |
Director |
Option Exercise (Sell) |
6,500 |
- |
- |
- |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
