Jeffrey Stuart Peters serves as Executive at MACROGENICS INC, where they oversee executive responsibilities. Since joining the company, Jeffrey Stuart Peters has executed 32 insider transactions totaling $3.4M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 8, 2026 involved exercising options for 8,999 shares valued at $0.
Jeffrey Stuart Peters currently holds 9,000 shares of MACROGENICS INC (MGNX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jeffrey Stuart Peters has been a net seller of MGNX stock. They have purchased $0 and sold $3.4M worth of shares.
Jeffrey Stuart Peters's most recent insider trade was on Feb 8, 2026, when they sold 8,999 shares at $0.00 per share.
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| $1.81 |
| Discretionary |
| Feb 8, 2026 | MGNX | $0 | Option Exercise | 8,999 | $N/A | Discretionary |
| Feb 7, 2026 | MGNX | $0 | Option Exercise | 6,001 | $N/A | Discretionary |
| Feb 7, 2026 | MGNX | $4.2K | Payment | 2,317 | $1.81 | Discretionary |
| Feb 7, 2026 | MGNX | $0 | Option Exercise | 6,001 | $N/A | Discretionary |
| Apr 4, 2024 | MGNX | $57.7K | Sale | 3,165 | $18.22 | Planned |
| Apr 4, 2024 | MGNX | $3.8K | Sale | 232 | $16.38 | Planned |
| Apr 4, 2024 | MGNX | $2.3K | Sale | 147 | $15.51 | Planned |
| Apr 4, 2024 | MGNX | $640.5K | Sale | 42,500 | $15.07 | Planned |
| Apr 4, 2024 | MGNX | $94.9K | Sale | 5,351 | $17.74 | Planned |
| Apr 4, 2024 | MGNX | $204.8K | Option Exercise | 42,500 | $4.82 | Planned |
| Mar 6, 2024 | MGNX | $125.1K | Option Exercise | 10,875 | $11.50 | Planned |
| Mar 6, 2024 | MGNX | $421.9K | Sale | 19,625 | $21.50 | Planned |
| Mar 6, 2024 | MGNX | $88.8K | Option Exercise | 8,750 | $10.15 | Planned |
| Feb 26, 2024 | MGNX | $277.7K | Sale | 16,124 | $17.22 | Planned |
| Feb 22, 2024 | MGNX | $173.3K | Payment | 10,126 | $17.11 | Discretionary |
| Feb 22, 2024 | MGNX | $0 | Option Exercise | 26,250 | $N/A | Discretionary |
| Feb 15, 2024 | MGNX | $77.3K | Payment | 4,441 | $17.40 | Discretionary |
| Feb 15, 2024 | MGNX | $0 | Option Exercise | 13,336 | $N/A | Discretionary |
| Feb 5, 2024 | MGNX | $625.3K | Option Exercise | 54,376 | $11.50 | Planned |
| Feb 5, 2024 | MGNX | $360.9K | Sale | 21,875 | $16.50 | Planned |
| Feb 5, 2024 | MGNX | $222.0K | Option Exercise | 21,875 | $10.15 | Planned |
| Feb 5, 2024 | MGNX | $897.2K | Sale | 54,376 | $16.50 | Planned |
| Mar 10, 2023 | MGNX | $32.4K | Sale | 5,372 | $6.03 | Discretionary |
| Feb 22, 2023 | MGNX | $0 | Option Exercise | 8,750 | $N/A | Discretionary |
| Feb 22, 2023 | MGNX | $22.1K | Payment | 3,378 | $6.55 | Discretionary |
| Mar 8, 2021 | MGNX | $250.1K | Option Exercise | 21,749 | $11.50 | Discretionary |
| Mar 8, 2021 | MGNX | $576.3K | Sale | 21,749 | $26.50 | Discretionary |
| Jul 2, 2020 | MGNX | $6.1K | Sale | 202 | $30.00 | Discretionary |