Kenneth Galbraith serves as Executive at MACROGENICS INC, where they oversee executive responsibilities. Since joining the company, Kenneth Galbraith has executed 13 insider transactions totaling $2.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 22, 2025 involved exercising options for 100,000 shares valued at $0.
Kenneth Galbraith currently holds 180,803 shares of MACROGENICS INC (MGNX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kenneth Galbraith has been a net seller of MGNX stock. They have purchased $750.0K and sold $2.1M worth of shares.
Kenneth Galbraith's most recent insider trade was on Dec 22, 2025, when they sold 100,000 shares at $0.00 per share.
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| $27.02 |
| Discretionary |
| Jan 8, 2024 | ZYME | $64.0K | Sale | 5,706 | $11.22 | Discretionary |
| Jan 5, 2024 | ZYME | $193.8K | Sale | 18,198 | $10.65 | Discretionary |
| Jan 5, 2024 | ZYME | $0 | Option Exercise | 47,666 | $N/A | Discretionary |
| Sep 9, 2020 | MGNX | $187.7K | Sale | 6,924 | $27.11 | Discretionary |
| Sep 9, 2020 | MGNX | $139.5K | Option Exercise | 6,924 | $20.15 | Discretionary |
| Sep 9, 2020 | MGNX | $221.6K | Option Exercise | 13,849 | $16.00 | Discretionary |
| Sep 9, 2020 | MGNX | $375.4K | Sale | 13,849 | $27.11 | Discretionary |
| Oct 16, 2013 | MGNX | $0 | Conversion | 1,050,652 | $N/A | Discretionary |
| Oct 16, 2013 | MGNX | $750.0K | Purchase | 46,875 | $16.00 | Discretionary |
| Oct 16, 2013 | MGNX | $0 | Conversion | 204,207 | $N/A | Discretionary |
| Oct 16, 2013 | MGNX | $0 | Exercise | 15,315 | $N/A | Discretionary |