Justin B. Klee serves as Executive at Amylyx Pharmaceuticals, Inc., where they oversee executive responsibilities. Since joining the company, Justin B. Klee has executed 21 insider transactions totaling $6.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 16, 2026 involved exercising options for 2,847 shares valued at $0.
Justin B. Klee currently holds 3,379,398 shares of Amylyx Pharmaceuticals, Inc. (AMLX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Justin B. Klee has been a net seller of AMLX stock. They have purchased $0 and sold $6.0M worth of shares.
Justin B. Klee's most recent insider trade was on Jan 16, 2026, when they sold 2,847 shares at $0.00 per share.
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| $13.89 |
| Discretionary |
| Jan 16, 2026 | AMLX | $21.6K | Option Exercise | 2,847 | $7.57 | Discretionary |
| Jan 15, 2026 | AMLX | $0 | Option Exercise | 197,153 | $N/A | Discretionary |
| Jan 15, 2026 | AMLX | $1.8M | Sale | 136,193 | $13.58 | Discretionary |
| Jan 15, 2026 | AMLX | $1.5M | Option Exercise | 197,153 | $7.57 | Discretionary |
| Jan 6, 2026 | AMLX | $85.6K | Sale | 7,715 | $11.09 | Discretionary |
| Sep 30, 2025 | AMLX | $3.0K | Sale | 200 | $15.01 | Discretionary |
| Sep 30, 2025 | AMLX | $427.9K | Sale | 29,775 | $14.37 | Discretionary |
| Apr 16, 2024 | AMLX | $0 | Award | 179,850 | $N/A | Discretionary |
| Mar 5, 2024 | AMLX | $77.4K | Sale | 4,135 | $18.73 | Discretionary |
| Feb 26, 2024 | AMLX | $0 | Award | 126,667 | $N/A | Discretionary |
| Jan 9, 2024 | AMLX | $95.4K | Sale | 5,841 | $16.33 | Discretionary |
| Mar 16, 2023 | AMLX | $111.9K | Sale | 3,445 | $32.48 | Discretionary |
| Mar 16, 2023 | AMLX | $0 | Award | 50,000 | $N/A | Discretionary |
| Mar 16, 2023 | AMLX | $3.1M | Sale | 96,555 | $31.84 | Discretionary |
| Jan 6, 2023 | AMLX | $148.7K | Sale | 4,122 | $36.08 | Discretionary |
| Jan 6, 2023 | AMLX | $67.9K | Sale | 1,846 | $36.79 | Discretionary |
| May 5, 2022 | AMLX | $123.8K | Option Exercise | 334,520 | $0.37 | Discretionary |
| Jan 6, 2022 | AMLX | $0 | Award | 75,000 | $N/A | Discretionary |
| Jan 6, 2022 | AMLX | $0 | Conversion | 4,870 | $N/A | Discretionary |