Jeff Castelli serves as Executive at AMICUS THERAPEUTICS INC, where they oversee executive responsibilities. Since joining the company, Jeff Castelli has executed 41 insider transactions totaling $2.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 3, 2026 involved selling 23,102 shares valued at $329.7K.
Jeff Castelli currently holds 409,311 shares of AMICUS THERAPEUTICS INC (FOLD), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jeff Castelli has been a net seller of FOLD stock. They have purchased $186.0K and sold $2.3M worth of shares.
Jeff Castelli's most recent insider trade was on Jan 3, 2026, when they sold 23,102 shares at $14.27 per share.
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| $14.27 |
| Discretionary |
| Nov 24, 2025 | FOLD | $773.8K | Sale | 76,158 | $10.16 | Discretionary |
| Nov 24, 2025 | FOLD | $451.5K | Option Exercise | 50,000 | $9.03 | Discretionary |
| Jan 9, 2024 | FOLD | $136.6K | Payment | 10,005 | $13.65 | Discretionary |
| Jan 9, 2024 | FOLD | $136.6K | Payment | 10,005 | $13.65 | Discretionary |
| Jan 9, 2024 | FOLD | $0 | Award | 14,405 | $N/A | Discretionary |
| Jan 4, 2024 | FOLD | $42.0K | Payment | 3,127 | $13.44 | Discretionary |
| Jan 3, 2024 | FOLD | $190.5K | Payment | 14,083 | $13.53 | Discretionary |
| Jan 2, 2024 | FOLD | $0 | Award | 57,392 | $N/A | Discretionary |
| Jan 2, 2024 | FOLD | $114.5K | Payment | 8,038 | $14.24 | Discretionary |
| Dec 28, 2023 | FOLD | $253.0K | Sale | 17,421 | $14.52 | Planned |
| Dec 20, 2023 | FOLD | $21.7K | Sale | 1,654 | $13.10 | Planned |
| Dec 19, 2023 | FOLD | $231.9K | Sale | 17,500 | $13.25 | Planned |
| Dec 18, 2023 | FOLD | $0 | Award | 8,643 | $N/A | Planned |
| Aug 17, 2023 | FOLD | $185.9K | Payment | 14,560 | $12.77 | Discretionary |
| Jan 11, 2023 | FOLD | $292.4K | Payment | 24,325 | $12.02 | Discretionary |
| Jan 11, 2023 | FOLD | $0 | Award | 56,024 | $N/A | Discretionary |
| Jan 4, 2023 | FOLD | $37.6K | Payment | 3,127 | $12.03 | Discretionary |
| Jan 3, 2023 | FOLD | $76.5K | Payment | 6,411 | $11.93 | Discretionary |
| Jan 3, 2023 | FOLD | $0 | Award | 70,681 | $N/A | Discretionary |
| Jan 2, 2023 | FOLD | $170.3K | Payment | 13,944 | $12.21 | Discretionary |
| Jun 22, 2015 | FOLD | $264.6K | Sale | 18,981 | $13.94 | Discretionary |
| Jun 22, 2015 | FOLD | $264.6K | Option Exercise | 18,981 | $13.94 | Discretionary |
| Jun 15, 2015 | FOLD | $104.5K | Sale | 7,377 | $14.17 | Discretionary |
| Jun 8, 2015 | FOLD | $222.8K | Option Exercise | 17,312 | $12.87 | Discretionary |
| Jun 8, 2015 | FOLD | $222.8K | Sale | 17,312 | $12.87 | Discretionary |
| May 11, 2015 | FOLD | $108.4K | Sale | 10,000 | $10.84 | Discretionary |
| May 8, 2015 | FOLD | $82.3K | Payment | 7,623 | $10.80 | Discretionary |
| May 8, 2015 | FOLD | $0 | Option Exercise | 25,000 | $N/A | Discretionary |