MGNX · MacroGenics Inc. Common Stock
View on chartInsiders & Stakes
| BIOTECH TARGET N V 10% Owner | ▲ Buy | Open Market | 9,929,963 Shares held | 10/2/2023 | View profile |
| Koenig Scott President and CEO | ▲ Buy | Option Exercise | 867,240 Shares held | 2/15/2026 | View profile |
| Karrels James SVP, CFO and Secretary | ▼ Sell | Tax Withholding | 206,037 Shares held | 2/15/2026 | View profile |
| Bonvini Ezio Sr VP, Research & CSO | ▲ Buy | Option Exercise | 193,799 Shares held | 10/6/2026 | View profile |
| William K. Heiden Director | ▲ Buy | Option Exercise | 114,750 Shares held | 5/18/2026 | View profile |
| Risser Eric Blasius Chief Operating Officer | ▼ Sell | Tax Withholding | 77,169 Shares held | 2/15/2026 | View profile |
| HURWITZ EDWARD Director | ▲ Buy | Option Exercise | 47,824 Shares held | 5/18/2026 | View profile |
| Spitznagel Thomas Sr VP, Technical Ops | ▼ Sell | Tax Withholding | 38,543 Shares held | 2/15/2026 | View profile |
| Eck Stephen L. Chief Medical Officer | ▼ Sell | Tax Withholding | 29,377 Shares held | 2/15/2025 | View profile |
| David C. Stump Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| Federica F. O'Brien Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| Jackson Scott Thomas Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| SIEGEL JAY PHILIP Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| Liu Margaret Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| Chhabra Meenu Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| Ferrante Karen Jean Director | ▲ Buy | Option Exercise | 14,750 Shares held | 5/18/2026 | View profile |
| Smith Beth Ann VP, Controller & Treasurer | ▼ Sell | Tax Withholding | 12,781 Shares held | 2/15/2026 | View profile |
| Cilinski Lynn VP, Controller and Treasurer | ▼ Sell | Tax Withholding | 6,213 Shares held | 2/15/2024 | View profile |
| Peters Jeffrey Stuart Senior VP and General Counsel | ▼ Sell | Open Market | 0 Shares held | 8/19/2026 | View profile |
Transaction History
| Bonvini Ezio | ▲ Buy | Option Exercise | 8,000 | $21K | 10/6/2026 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 31,105 | $129K | 8/19/2026 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 40,000 | $104K | 8/17/2026 |
| Federica F. O'Brien | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| William K. Heiden | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| SIEGEL JAY PHILIP | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| Jackson Scott Thomas | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| Liu Margaret | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| Chhabra Meenu | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| HURWITZ EDWARD | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| David C. Stump | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| Ferrante Karen Jean | ▲ Buy | Option Exercise | 3,750 | — | 5/18/2026 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 16,665 | — | 2/15/2026 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 6,433 | $11K | 2/15/2026 |
| Smith Beth Ann | ▲ Buy | Option Exercise | 1,095 | — | 2/15/2026 |
| Smith Beth Ann | ▼ Sell | Tax Withholding | 423 | $723 | 2/15/2026 |
| Karrels James | ▲ Buy | Option Exercise | 14,999 | — | 2/15/2026 |
| Karrels James | ▼ Sell | Tax Withholding | 5,790 | $10K | 2/15/2026 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 13,332 | — | 2/15/2026 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 5,147 | $9K | 2/15/2026 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 13,332 | — | 2/15/2026 |
| Spitznagel Thomas | ▼ Sell | Tax Withholding | 5,520 | $9K | 2/15/2026 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 16,665 | — | 2/15/2026 |
| Risser Eric Blasius | ▼ Sell | Tax Withholding | 6,433 | $11K | 2/15/2026 |
| Koenig Scott | ▲ Buy | Option Exercise | 21,165 | $0 | 2/15/2026 |
| Smith Beth Ann | ▼ Sell | Tax Withholding | 612 | $1K | 2/8/2026 |
| Risser Eric Blasius | ▼ Sell | Tax Withholding | 4,311 | $8K | 2/8/2026 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 11,166 | — | 2/8/2026 |
| Koenig Scott | ▲ Buy | Option Exercise | 15,831 | — | 2/8/2026 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 8,999 | — | 2/8/2026 |
| Spitznagel Thomas | ▼ Sell | Tax Withholding | 3,186 | $6K | 2/8/2026 |
| Smith Beth Ann | ▲ Buy | Option Exercise | 1,583 | — | 2/8/2026 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 8,999 | — | 2/8/2026 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 3,474 | $6K | 2/8/2026 |
| Karrels James | ▲ Buy | Option Exercise | 9,999 | — | 2/8/2026 |
| Karrels James | ▼ Sell | Tax Withholding | 3,860 | $7K | 2/8/2026 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 11,166 | — | 2/8/2026 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 4,311 | $8K | 2/8/2026 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 6,668 | — | 2/7/2026 |
| Risser Eric Blasius | ▼ Sell | Tax Withholding | 2,575 | $5K | 2/7/2026 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 6,001 | — | 2/7/2026 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 6,001 | — | 2/7/2026 |
| Spitznagel Thomas | ▼ Sell | Tax Withholding | 2,485 | $4K | 2/7/2026 |
| Smith Beth Ann | ▲ Buy | Option Exercise | 2,617 | — | 2/7/2026 |
| Smith Beth Ann | ▼ Sell | Tax Withholding | 1,011 | $2K | 2/7/2026 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 2,317 | $4K | 2/7/2026 |
| Karrels James | ▲ Buy | Option Exercise | 6,334 | — | 2/7/2026 |
| Karrels James | ▼ Sell | Tax Withholding | 2,446 | $4K | 2/7/2026 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 7,001 | — | 2/7/2026 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 2,703 | $5K | 2/7/2026 |
| William K. Heiden | ▲ Buy | Open Market | 49,500 | $74K | 8/20/2025 |
| William K. Heiden | ▲ Buy | Open Market | 50,500 | $77K | 8/19/2025 |
| Koenig Scott | ▲ Buy | Option Exercise | 21,165 | $0 | 8/13/2025 |
| Koenig Scott | ▲ Buy | Option Exercise | 31,664 | $0 | 8/13/2025 |
| Federica F. O'Brien | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| Jackson Scott Thomas | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| William K. Heiden | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| David C. Stump | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| Ferrante Karen Jean | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| Liu Margaret | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| HURWITZ EDWARD | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| Chhabra Meenu | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| SIEGEL JAY PHILIP | ▲ Buy | Option Exercise | 6,500 | — | 5/20/2025 |
| Koenig Scott | ▲ Buy | Option Exercise | 42,329 | $0 | 2/15/2025 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 13,332 | $0 | 2/15/2025 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 16,665 | $0 | 2/15/2025 |
| Karrels James | ▲ Buy | Option Exercise | 14,998 | $0 | 2/15/2025 |
| Karrels James | ▼ Sell | Tax Withholding | 5,790 | $15K | 2/15/2025 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 5,147 | $13K | 2/15/2025 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 16,665 | $0 | 2/15/2025 |
| Risser Eric Blasius | ▼ Sell | Tax Withholding | 6,433 | $16K | 2/15/2025 |
| Smith Beth Ann | ▲ Buy | Option Exercise | 1,095 | $0 | 2/15/2025 |
| Smith Beth Ann | ▼ Sell | Open Market | 423 | $1K | 2/15/2025 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 13,332 | $0 | 2/15/2025 |
| Spitznagel Thomas | ▼ Sell | Tax Withholding | 5,520 | $14K | 2/15/2025 |
| Eck Stephen L. | ▲ Buy | Option Exercise | 16,665 | $0 | 2/15/2025 |
| Eck Stephen L. | ▼ Sell | Tax Withholding | 4,942 | $13K | 2/15/2025 |
| Karrels James | ▼ Sell | Tax Withholding | 3,861 | $10K | 2/8/2025 |
| Smith Beth Ann | ▼ Sell | Tax Withholding | 612 | $2K | 2/8/2025 |
| Spitznagel Thomas | ▼ Sell | Tax Withholding | 3,727 | $10K | 2/8/2025 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 3,475 | $9K | 2/8/2025 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 9,001 | — | 2/8/2025 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 9,001 | — | 2/8/2025 |
| Smith Beth Ann | ▲ Buy | Option Exercise | 1,583 | — | 2/8/2025 |
| Koenig Scott | ▲ Buy | Grant | 31,673 | $0 | 2/8/2025 |
| Eck Stephen L. | ▲ Buy | Option Exercise | 11,168 | $0 | 2/8/2025 |
| Eck Stephen L. | ▼ Sell | Tax Withholding | 3,312 | $9K | 2/8/2025 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 11,168 | — | 2/8/2025 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 4,311 | $11K | 2/8/2025 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 11,168 | — | 2/8/2025 |
| Risser Eric Blasius | ▼ Sell | Tax Withholding | 4,311 | $11K | 2/8/2025 |
| Karrels James | ▲ Buy | Option Exercise | 10,002 | — | 2/8/2025 |
| Koenig Scott | ▼ Sell | Gift | 53,265 | — | 10/7/2024 |
| Koenig Scott | ▼ Sell | Gift | 53,265 | — | 10/7/2024 |
| Koenig Scott | ▼ Sell | Gift | 374,215 | — | 9/23/2024 |
| Koenig Scott | ▼ Sell | Gift | 374,215 | — | 9/23/2024 |
| William K. Heiden | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| Jackson Scott Thomas | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| David C. Stump | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| Federica F. O'Brien | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| Liu Margaret | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| Chhabra Meenu | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| SIEGEL JAY PHILIP | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| Ferrante Karen Jean | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| HURWITZ EDWARD | ▲ Buy | Option Exercise | 4,500 | $0 | 5/20/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 42,500 | $205K | 4/4/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 42,500 | $640K | 4/4/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 147 | $2K | 4/4/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 232 | $4K | 4/4/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 5,351 | $95K | 4/4/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 3,165 | $58K | 4/4/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 10,875 | $125K | 3/6/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 8,750 | $89K | 3/6/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 19,625 | $422K | 3/6/2024 |
| Karrels James | ▼ Sell | Open Market | 30,000 | $615K | 3/4/2024 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 15,000 | $152K | 3/4/2024 |
| Risser Eric Blasius | ▼ Sell | Open Market | 15,000 | $300K | 3/4/2024 |
| Risser Eric Blasius | ▼ Sell | Open Market | 26,159 | $514K | 3/4/2024 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 10,000 | $115K | 3/4/2024 |
| Spitznagel Thomas | ▼ Sell | Open Market | 10,000 | $200K | 3/4/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 16,124 | $278K | 2/26/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 26,250 | $0 | 2/22/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 10,126 | $173K | 2/22/2024 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 28,125 | $0 | 2/22/2024 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 9,366 | $160K | 2/22/2024 |
| Eck Stephen L. | ▲ Buy | Option Exercise | 16,670 | $0 | 2/15/2024 |
| Eck Stephen L. | ▼ Sell | Tax Withholding | 6,872 | $120K | 2/15/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 13,336 | $0 | 2/15/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 4,441 | $77K | 2/15/2024 |
| Koenig Scott | ▲ Buy | Option Exercise | 42,341 | $0 | 2/15/2024 |
| Koenig Scott | ▼ Sell | Tax Withholding | 14,349 | $250K | 2/15/2024 |
| Cilinski Lynn | ▲ Buy | Option Exercise | 6,668 | $0 | 2/15/2024 |
| Cilinski Lynn | ▼ Sell | Tax Withholding | 2,378 | $41K | 2/15/2024 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 16,670 | $0 | 2/15/2024 |
| Risser Eric Blasius | ▼ Sell | Tax Withholding | 5,879 | $102K | 2/15/2024 |
| Karrels James | ▲ Buy | Option Exercise | 15,003 | $0 | 2/15/2024 |
| Karrels James | ▼ Sell | Tax Withholding | 5,327 | $93K | 2/15/2024 |
| Spitznagel Thomas | ▲ Buy | Option Exercise | 13,336 | $0 | 2/15/2024 |
| Spitznagel Thomas | ▼ Sell | Tax Withholding | 5,020 | $87K | 2/15/2024 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 16,670 | $0 | 2/15/2024 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 5,871 | $102K | 2/15/2024 |
| Bonvini Ezio | ▼ Sell | Open Market | 3,334 | $60K | 2/7/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 21,875 | $222K | 2/5/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 54,376 | $897K | 2/5/2024 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 21,875 | $361K | 2/5/2024 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 54,376 | $625K | 2/5/2024 |
| Bonvini Ezio | ▼ Sell | Open Market | 13,316 | $200K | 2/1/2024 |
| Bonvini Ezio | ▼ Sell | Open Market | 13,316 | $160K | 1/19/2024 |
| Bonvini Ezio | ▼ Sell | Open Market | 18,880 | $190K | 12/20/2023 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 150,000 | $670K | 10/2/2023 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 200,000 | $1.1M | 9/7/2023 |
| HURWITZ EDWARD | ▲ Buy | Open Market | 15,000 | $74K | 8/30/2023 |
| Peters Jeffrey Stuart | ▼ Sell | Open Market | 5,372 | $32K | 3/10/2023 |
| Peters Jeffrey Stuart | ▲ Buy | Option Exercise | 8,750 | $0 | 2/22/2023 |
| Peters Jeffrey Stuart | ▼ Sell | Tax Withholding | 3,378 | $22K | 2/22/2023 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 9,375 | $0 | 2/22/2023 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 3,619 | $24K | 2/22/2023 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 500,000 | $2.5M | 2/14/2023 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 150,000 | $795K | 1/19/2023 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 200,000 | $1.1M | 12/27/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 200,000 | $1.2M | 12/23/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 300,000 | $1.8M | 11/22/2022 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 8,500 | $13K | 10/28/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 250,000 | $1.1M | 10/24/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 250,000 | $1.2M | 10/21/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 285,977 | $1.1M | 10/20/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 168,422 | $624K | 10/19/2022 |
| Karrels James | ▲ Buy | Open Market | 40,000 | $99K | 6/15/2022 |
| Koenig Scott | ▲ Buy | Option Exercise | 53,265 | $80K | 5/16/2022 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 5,000 | $0 | 5/14/2022 |
| Bonvini Ezio | ▼ Sell | Tax Withholding | 1,666 | $7K | 5/14/2022 |
| Karrels James | ▲ Buy | Option Exercise | 8,316 | $13K | 3/28/2022 |
| Risser Eric Blasius | ▲ Buy | Option Exercise | 500 | $470 | 3/4/2022 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 200,000 | $3.7M | 11/19/2021 |
| Bonvini Ezio | ▲ Buy | Option Exercise | 2,540 | $41K | 11/16/2021 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 100,000 | $2.0M | 9/29/2021 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 100,000 | $2.1M | 9/28/2021 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 200,000 | $4.0M | 9/17/2021 |
| BIOTECH TARGET N V | ▲ Buy | Open Market | 400,000 | $8.4M | 9/16/2021 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
September 27, 2026
MGNX mentioned in medical stock sector review
MacroGenics was included in a recent Yahoo Finance article examining the performance of medical stocks this year. The stock is currently trading near its 52-week low, with technical indicators showing weakness near key support levels. This context highlights the broader sector trends affecting the company's valuation.
MGNX mentioned in medical stock sector review. MacroGenics was included in a recent Yahoo Finance article examining the performance of medical stocks this year. The stock is currently trading near its 52-week low, with technical indicators showing weakness near key support levels. This context highlights the broader sector trends affecting the company's valuation.