David Joseph Gaffin serves as Executive at Alkermes plc., where they oversee executive responsibilities. Since joining the company, David Joseph Gaffin has executed 110 insider transactions totaling $1.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 23, 2026 involved exercising options for 7,689 shares valued at $0.
David Joseph Gaffin currently holds 7,690 shares of Alkermes plc. (ALKS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David Joseph Gaffin has been a net seller of ALKS stock. They have purchased $0 and sold $1.5M worth of shares.
David Joseph Gaffin's most recent insider trade was on Feb 23, 2026, when they sold 7,689 shares at $0.00 per share.
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| $32.19 |
| Discretionary |
| Feb 23, 2026 | ALKS | $0 | Option Exercise | 7,689 | $N/A | Discretionary |
| Feb 5, 2026 | ALKS | $255.6K | Payment | 7,619 | $33.55 | Discretionary |
| Feb 5, 2026 | ALKS | $0 | Award | 25,352 | $N/A | Discretionary |
| Aug 3, 2025 | ALKS | $0 | Option Exercise | 2,014 | $N/A | Discretionary |
| Aug 3, 2025 | ALKS | $23.8K | Payment | 895 | $26.55 | Discretionary |
| Aug 3, 2024 | ALKS | $24.8K | Payment | 895 | $27.72 | Discretionary |
| Aug 3, 2024 | ALKS | $0 | Option Exercise | 2,014 | $N/A | Discretionary |
| Feb 23, 2024 | ALKS | $101.0K | Payment | 3,414 | $29.57 | Discretionary |
| Feb 23, 2024 | ALKS | $0 | Option Exercise | 7,689 | $N/A | Discretionary |
| Feb 22, 2024 | ALKS | $0 | Option Exercise | 7,431 | $N/A | Discretionary |
| Feb 22, 2024 | ALKS | $95.4K | Payment | 3,300 | $28.91 | Discretionary |
| Feb 20, 2024 | ALKS | $91.0K | Payment | 2,994 | $30.39 | Discretionary |
| Feb 20, 2024 | ALKS | $0 | Option Exercise | 7,177 | $N/A | Discretionary |
| Feb 18, 2024 | ALKS | $60.1K | Payment | 1,869 | $32.18 | Discretionary |
| Feb 18, 2024 | ALKS | $0 | Option Exercise | 6,355 | $N/A | Discretionary |
| Feb 8, 2024 | ALKS | $227.1K | Payment | 8,483 | $26.77 | Discretionary |
| Feb 8, 2024 | ALKS | $0 | Award | 28,240 | $N/A | Discretionary |
| Aug 3, 2023 | ALKS | $0 | Option Exercise | 1,974 | $N/A | Discretionary |
| Aug 3, 2023 | ALKS | $24.2K | Payment | 877 | $27.63 | Discretionary |
| Feb 22, 2023 | ALKS | $0 | Option Exercise | 7,286 | $N/A | Discretionary |
| Feb 22, 2023 | ALKS | $89.5K | Payment | 3,224 | $27.77 | Discretionary |
| Feb 21, 2023 | ALKS | $56.2K | Payment | 2,022 | $27.77 | Discretionary |
| Feb 21, 2023 | ALKS | $0 | Option Exercise | 6,875 | $N/A | Discretionary |
| Feb 20, 2023 | ALKS | $0 | Option Exercise | 7,036 | $N/A | Discretionary |
| Feb 20, 2023 | ALKS | $58.1K | Payment | 2,069 | $28.07 | Discretionary |
| Feb 20, 2023 | ALKS | $0 | Award | 15,468 | $N/A | Discretionary |
| Feb 20, 2023 | ALKS | $127.7K | Payment | 4,548 | $28.07 | Discretionary |
| Feb 18, 2023 | ALKS | $0 | Option Exercise | 6,230 | $N/A | Discretionary |