Joshua B. Cohen, Co-Chief Executive Officer of Amylyx Pharmaceuticals (AMLX), sold shares on the open market eight times in the last year, totaling about $3.1 million. His most recent sale occurred on March 2, 2026. These transactions rank 2,647th among 11,678 insiders by sale value, below the average of nearly $8.6 million across about 6.4 trades per insider. Cohen made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 5, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Common Stock | 248865 | $0.00 | 3,583,548.0000 | 109,819,569 | 7.46% | 0.23% |
| March 5, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Stock Option (Right to Buy) | 373295 | $0.00 | 373,295.0000 | 109,819,569 | 9999.99% | 0.34% |
| March 2, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 29282 | $14.48 | 3,334,683.0000 | 109,819,569 | 0.87% | 0.03% |
| Feb. 2, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 15500 | $14.68 | 3,363,965.0000 | 109,819,569 | 0.46% | 0.01% |
| Jan. 16, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Common Stock | 2818 | $7.57 | 3,381,439.0000 | 109,819,569 | 0.08% | 0.00% |
| Jan. 15, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 136193 | $13.59 | 3,378,621.0000 | 109,819,569 | 3.87% | 0.12% |
| Jan. 15, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Common Stock | 197182 | $7.57 | 3,514,814.0000 | 109,819,569 | 5.94% | 0.18% |
| Jan. 16, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Stock Option (Right to Buy) | 2818 | $0.00 | 0.0000 | 109,819,569 | 100.00% | 0.00% |
| Jan. 15, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Stock Option (Right to Buy) | 197182 | $0.00 | 2,818.0000 | 109,819,569 | 98.59% | 0.18% |
| Jan. 16, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 1974 | $13.83 | 3,379,465.0000 | 109,819,569 | 0.06% | 0.00% |
| Jan. 6, 2026 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 7715 | $11.09 | 3,317,632.0000 | 109,819,569 | 0.23% | 0.01% |
| Sept. 30, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 200 | $15.00 | 3,325,347.0000 | 88,602,468 | 0.01% | 0.00% |
| Sept. 30, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 29733 | $14.34 | 3,325,547.0000 | 88,602,468 | 0.89% | 0.03% |
| March 31, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 21490 | $3.47 | 3,355,280.0000 | 88,602,468 | 0.64% | 0.02% |
| March 6, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Stock Option (Right to Buy) | 270177 | $0.00 | 270,177.0000 | 88,602,468 | 9999.99% | 0.30% |
| March 6, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Common Stock | 180118 | $0.00 | 3,376,770.0000 | 88,602,468 | 5.63% | 0.20% |
| March 3, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 4595 | $3.17 | 3,196,652.0000 | 88,602,468 | 0.14% | 0.01% |
| Feb. 3, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 11851 | $3.47 | 3,201,247.0000 | 0 | 0.37% | 0.00% |
| Jan. 6, 2025 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 7471 | $4.05 | 3,213,098.0000 | 0 | 0.23% | 0.00% |
| Sept. 30, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 18589 | $3.20 | 3,220,569.0000 | 0 | 0.57% | 0.00% |
| Sept. 23, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Common Stock | 1857 | $1.57 | 3,239,158.0000 | 0 | 0.06% | 0.00% |
| Sept. 23, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Stock Option (right to buy) | 1857 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 12, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Common Stock | 34449 | $1.57 | 3,237,301.0000 | 0 | 1.08% | 0.00% |
| Sept. 12, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Stock Option (right to buy) | 34449 | $0.00 | 1,857.0000 | 0 | 94.89% | 0.00% |
| April 16, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Stock Option (right to buy) | 380000 | $0.00 | 380,000.0000 | 0 | 9999.99% | 0.00% |
| April 16, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Common Stock | 179850 | $0.00 | 3,202,852.0000 | 0 | 5.95% | 0.00% |
| March 5, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 4135 | $18.73 | 3,023,002.0000 | 0 | 0.14% | 0.00% |
| Feb. 26, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Common Stock | 126667 | $0.00 | 3,027,137.0000 | 0 | 4.37% | 0.00% |
| Feb. 26, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Stock Option (right to buy) | 190000 | $0.00 | 190,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 9, 2024 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 5841 | $16.33 | 2,900,470.0000 | 0 | 0.20% | 0.00% |
| Nov. 16, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Common Stock | 63694 | $1.57 | 2,906,311.0000 | 0 | 2.24% | 0.00% |
| Nov. 16, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | M | Stock Option (Right to Buy) | 63694 | $0.00 | 36,306.0000 | 0 | 63.69% | 0.00% |
| March 16, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 96076 | $31.84 | 2,796,541.0000 | 0 | 3.32% | 0.00% |
| March 16, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 3924 | $32.45 | 2,792,617.0000 | 0 | 0.14% | 0.00% |
| March 16, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Stock Option (right to buy) | 225000 | $0.00 | 225,000.0000 | 0 | 9999.99% | 0.00% |
| March 16, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | A | Common Stock | 50000 | $0.00 | 2,842,617.0000 | 0 | 1.79% | 0.00% |
| Jan. 6, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 1846 | $36.79 | 2,892,617.0000 | 0 | 0.06% | 0.00% |
| Jan. 6, 2023 | Amylyx Pharmaceuticals, Inc. | $AMLX | Cohen Joshua B | Co-Chief Executive Officer | S | Common Stock | 4122 | $36.08 | 2,894,463.0000 | 0 | 0.14% | 0.00% |