AMLX Amylyx Pharmaceuticals, Inc.
Nasdaq · SEC CIK 1658551 · EDGAR
- Bought, last 12 months
- $152.2K 2 purchases by 1 insiders
- Sold, last 12 months
- $10.62M 27 sales by 5 insiders
- Filings on record
- 182 since 2022-01-10, latest 2026-09-14 16:00
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Klee Justin B. | Co-CEO, Dir | — | $4.03M |
| Cohen Joshua B | Co-CEO, Dir | — | $4.03M |
| Mazzariello Gina | CLO | — | $1.18M |
| FRATES JAMES M | CFO | — | $708.4K |
| Bedrosian Camille L | Chief Medical Off | — | $689.0K |
| Firestone Karen | Dir | $152.2K | — |
| MILNE GEORGE M JR | Dir | — | — |
Transactions 176
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-09-14 16:00 | 2026-09-10 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $32.40 | -10.0K | 278.1K | -3% | -$324.9K |
| M | 2026-09-14 16:00 | 2026-09-10 | AMLX | FRATES JAMES M | CFO | S - Sale | $32.36 | -10.8K | 233.6K | -4% | -$349.8K |
| M | 2026-09-14 16:00 | 2026-09-10 | AMLX | Mazzariello Gina | CLO | S - Sale | $32.46 | -9,536 | 190.8K | -5% | -$309.5K |
| M | 2026-09-14 16:00 | 2026-09-10 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $32.18 | -30.5K | 3.61M | -0.8% | -$980.3K |
| M | 2026-09-14 16:00 | 2026-09-10 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $32.19 | -30.5K | 3.61M | -0.8% | -$980.5K |
| DM | 2026-09-02 16:00 | 2026-08-31 | AMLX | Firestone Karen | Dir | M - OptEx | $3.40 | +50.0K | 116.9K | +75% | +$170.2K |
| 2026-08-20 21:00 | 2026-08-18 | AMLX | FRATES JAMES M | CFO | A - Grant | $0.00 | +22.8K | 244.4K | +10% | $0 | |
| 2026-08-20 21:00 | 2026-08-18 | AMLX | Klee Justin B. | Co-CEO, Dir | A - Grant | $0.00 | +60.0K | 3.64M | +2% | $0 | |
| 2026-08-20 21:00 | 2026-08-18 | AMLX | Mazzariello Gina | CLO | A - Grant | $0.00 | +21.3K | 200.4K | +12% | $0 | |
| 2026-08-20 21:00 | 2026-08-18 | AMLX | Bedrosian Camille L | Chief Medical Off | A - Grant | $0.00 | +22.8K | 288.1K | +9% | $0 | |
| 2026-08-20 21:00 | 2026-08-18 | AMLX | Cohen Joshua B | Co-CEO, Dir | A - Grant | $0.00 | +60.0K | 3.64M | +2% | $0 | |
| MT | 2026-07-13 16:00 | 2026-07-09+ | AMLX | Mazzariello Gina | CLO | S - Sale | $17.96 | -30.0K | 179.1K | -14% | -$538.9K |
| 2026-05-26 16:00 | 2026-05-21 | AMLX | Firestone Karen | Dir | P - Purchase | $13.51 | +3,800 | 66.9K | +6% | +$51.3K | |
| D | 2026-03-09 | 2026-03-05 | AMLX | Cohen Joshua B | Co-CEO, Dir | A - Grant | $0.00 | +248.9K | 3.58M | +7% | $0 |
| D | 2026-03-09 | 2026-03-05 | AMLX | Mazzariello Gina | CLO | A - Grant | $0.00 | +74.7K | 209.1K | +56% | $0 |
| D | 2026-03-09 | 2026-03-05 | AMLX | Bedrosian Camille L | Chief Medical Off | A - Grant | $0.00 | +96.0K | 265.3K | +57% | $0 |
| D | 2026-03-09 | 2026-03-05 | AMLX | Klee Justin B. | Co-CEO, Dir | A - Grant | $0.00 | +248.9K | 3.58M | +7% | $0 |
| D | 2026-03-09 | 2026-03-05 | AMLX | FRATES JAMES M | CFO | A - Grant | $0.00 | +96.0K | 261.6K | +58% | $0 |
| 2026-03-04 | 2026-03-02 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $14.58 | -6,461 | 169.3K | -4% | -$94.2K | |
| 2026-03-04 | 2026-03-02 | AMLX | FRATES JAMES M | CFO | S - Sale | $14.52 | -7,909 | 165.6K | -5% | -$114.8K | |
| 2026-03-04 | 2026-03-02 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $14.48 | -29.3K | 3.33M | -0.9% | -$424.0K | |
| 2026-03-04 | 2026-03-02 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $14.47 | -29.3K | 3.33M | -0.9% | -$423.7K | |
| 2026-03-04 | 2026-03-02 | AMLX | Mazzariello Gina | CLO | S - Sale | $14.52 | -6,844 | 134.4K | -5% | -$99.4K | |
| 2026-02-25 | 2026-02-23 | AMLX | Mazzariello Gina | CLO | S - Sale | $14.14 | -3,419 | 141.3K | -2% | -$48.3K | |
| 2026-02-04 | 2026-02-02 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $14.68 | -15.5K | 3.36M | -0.5% | -$227.5K | |
| 2026-02-04 | 2026-02-02 | AMLX | FRATES JAMES M | CFO | S - Sale | $14.65 | -3,557 | 173.5K | -2% | -$52.1K | |
| 2026-02-04 | 2026-02-02 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $14.69 | -15.5K | 3.36M | -0.5% | -$227.7K | |
| 2026-02-04 | 2026-02-02 | AMLX | Mazzariello Gina | CLO | S - Sale | $14.65 | -3,448 | 144.7K | -2% | -$50.5K | |
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Klee Justin B. | Co-CEO, Dir | M - OptEx | $7.57 | +200.0K | 3.38M | +6% | +$1.51M |
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale+OE | $13.58 | -138.2K | 3.38M | -4% | -$1.88M |
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Cohen Joshua B | Co-CEO, Dir | M - OptEx | $7.57 | +200.0K | 3.51M | +6% | +$1.51M |
| DM | 2026-01-20 | 2026-01-15+ | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale+OE | $13.59 | -138.2K | 3.38M | -4% | -$1.88M |
| 2026-01-14 | 2026-01-12 | AMLX | MILNE GEORGE M JR | Dir | G - Gift | $0.00 | -17.8K | 812.9K | -2% | $0 | |
| 2026-01-08 | 2026-01-06 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $11.09 | -7,715 | 3.32M | -0.2% | -$85.6K | |
| 2026-01-08 | 2026-01-06 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $11.09 | -7,715 | 3.32M | -0.2% | -$85.6K | |
| 2026-01-08 | 2026-01-06 | AMLX | FRATES JAMES M | CFO | S - Sale | $11.11 | -3,326 | 177.1K | -2% | -$37.0K | |
| 2025-12-23 | 2025-12-23 | AMLX | Firestone Karen | Dir | P - Purchase | $12.45 | +8,100 | 63.1K | +15% | +$100.8K | |
| 2025-12-03 | 2025-12-01 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $14.35 | -6,580 | 175.8K | -4% | -$94.4K | |
| M | 2025-10-02 | 2025-09-30 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $14.34 | -29.9K | 3.33M | -0.9% | -$429.4K |
| 2025-10-02 | 2025-09-30 | AMLX | Mazzariello Gina | CLO | S - Sale | $14.58 | -8,828 | 148.1K | -6% | -$128.7K | |
| 2025-10-02 | 2025-09-30 | AMLX | FRATES JAMES M | CFO | S - Sale | $14.65 | -10.6K | 280.4K | -4% | -$154.7K | |
| 2025-10-02 | 2025-09-30 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $14.58 | -12.0K | 182.3K | -6% | -$175.5K | |
| M | 2025-10-02 | 2025-09-30 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $14.37 | -30.0K | 3.33M | -0.9% | -$430.9K |
| MT | 2025-08-14 | 2025-08-12+ | AMLX | Mazzariello Gina | CLO | S - Sale | $8.21 | -30.0K | 172.0K | -15% | -$246.2K |
| 2025-05-27 | 2025-05-22 | AMLX | Mazzariello Gina | CLO | G - Gift | $0.00 | -1,000 | 187.0K | -0.5% | $0 | |
| 2025-04-02 | 2025-03-31 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $3.47 | -12.4K | 194.4K | -6% | -$43.1K | |
| 2025-04-02 | 2025-03-31 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $3.47 | -21.5K | 3.36M | -0.6% | -$74.6K | |
| 2025-04-02 | 2025-03-31 | AMLX | Mazzariello Gina | CLO | S - Sale | $3.48 | -9,192 | 188.0K | -5% | -$32.0K | |
| 2025-04-02 | 2025-03-31 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $3.46 | -21.5K | 3.36M | -0.6% | -$74.4K | |
| 2025-04-02 | 2025-03-31 | AMLX | FRATES JAMES M | CFO | S - Sale | $3.47 | -10.9K | 291.0K | -4% | -$37.8K | |
| 2025-03-24 | 2025-03-20 | AMLX | Zeiher Bernhardt G | Dir | P - Purchase | $3.70 | +10.0K | 10.0K | New | +$37.0K | |
| D | 2025-03-10 | 2025-03-06 | AMLX | Klee Justin B. | Co-CEO, Dir | A - Grant | $0.00 | +180.1K | 3.38M | +6% | $0 |
| D | 2025-03-10 | 2025-03-06 | AMLX | Bedrosian Camille L | Chief Medical Off | A - Grant | $0.00 | +68.4K | 206.8K | +49% | $0 |
| D | 2025-03-10 | 2025-03-06 | AMLX | Cohen Joshua B | Co-CEO, Dir | A - Grant | $0.00 | +180.1K | 3.38M | +6% | $0 |
| D | 2025-03-10 | 2025-03-06 | AMLX | FRATES JAMES M | CFO | A - Grant | $0.00 | +68.4K | 301.9K | +29% | $0 |
| D | 2025-03-10 | 2025-03-06 | AMLX | Mazzariello Gina | CLO | A - Grant | $0.00 | +63.9K | 197.2K | +48% | $0 |
| 2025-03-05 | 2025-03-03 | AMLX | Mazzariello Gina | CLO | S - Sale | $3.12 | -1,611 | 133.3K | -1% | -$5,026 | |
| 2025-03-05 | 2025-03-03 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $3.15 | -4,595 | 3.20M | -0.1% | -$14.5K | |
| 2025-03-05 | 2025-03-03 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $3.17 | -4,595 | 3.20M | -0.1% | -$14.6K | |
| 2025-02-26 | 2025-02-24 | AMLX | Mazzariello Gina | CLO | S - Sale | $3.15 | -4,169 | 134.9K | -3% | -$13.1K | |
| D | 2025-02-06 | 2025-02-05 | AMLX | Klee Justin B. | Co-CEO, Dir | M - OptEx | $1.57 | +36.3K | 3.20M | +1% | +$57.0K |
| 2025-02-05 | 2025-02-03 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $3.47 | -11.9K | 3.20M | -0.4% | -$41.1K | |
| 2025-02-05 | 2025-02-03 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $3.47 | -11.9K | 3.16M | -0.4% | -$41.1K | |
| 2025-02-05 | 2025-02-03 | AMLX | Mazzariello Gina | CLO | S - Sale | $3.49 | -3,678 | 139.1K | -3% | -$12.8K | |
| 2025-01-28 | 2025-01-24 | AMLX | MILNE GEORGE M JR | Dir | G - Gift | $0.00 | -27.9K | 830.7K | -3% | $0 | |
| 2025-01-08 | 2025-01-06 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $4.05 | -7,471 | 3.21M | -0.2% | -$30.3K | |
| 2025-01-08 | 2025-01-06 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $4.04 | -7,471 | 3.18M | -0.2% | -$30.2K | |
| 2024-12-03 | 2024-12-02 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $5.54 | -5,421 | 138.4K | -4% | -$30.0K | |
| D | 2024-11-06 | 2024-11-04 | AMLX | Klee Justin B. | Co-CEO, Dir | M - OptEx | $1.57 | +63.7K | 3.18M | +2% | +$100.0K |
| 2024-10-02 | 2024-09-30 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $3.20 | -18.6K | 3.12M | -0.6% | -$59.5K | |
| 2024-10-02 | 2024-09-30 | AMLX | Mazzariello Gina | CLO | S - Sale | $3.20 | -8,709 | 142.8K | -6% | -$27.9K | |
| 2024-10-02 | 2024-09-30 | AMLX | Bedrosian Camille L | Chief Medical Off | S - Sale | $3.20 | -11.4K | 143.8K | -7% | -$36.6K | |
| 2024-10-02 | 2024-09-30 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $3.20 | -18.6K | 3.22M | -0.6% | -$59.5K | |
| D | 2024-09-25 | 2024-09-23 | AMLX | Cohen Joshua B | Co-CEO, Dir | M - OptEx | $1.57 | +1,857 | 3.24M | +0.1% | +$2,915 |
| 2024-09-16 | 2024-09-12 | AMLX | FRATES JAMES M | CFO | P - Purchase | $2.53 | +40.0K | 233.5K | +21% | +$101.2K | |
| D | 2024-09-16 | 2024-09-12 | AMLX | Cohen Joshua B | Co-CEO, Dir | M - OptEx | $1.57 | +34.4K | 3.24M | +1% | +$54.1K |
| 2024-09-09 | 2024-09-05 | AMLX | Firestone Karen | Dir | P - Purchase | $2.13 | +50.0K | 55.0K | +1,000% | +$106.5K | |
| 2024-09-05 | 2024-09-03 | AMLX | MILNE GEORGE M JR | Dir | P - Purchase | $2.20 | +100.0K | 858.6K | +13% | +$220.0K | |
| DA | 2024-09-05 | 2023-08-23 | AMLX | FRATES JAMES M | CFO | M - OptEx | $6.88 | +18.2K | 73.8K | +33% | +$125.0K |
| T | 2024-05-16 | 2024-05-15 | AMLX | Mazzariello Gina | CLO | S - Sale | $1.88 | -10.5K | 151.5K | -6% | -$19.7K |
| M | 2024-05-16 | 2024-05-14+ | AMLX | Quimi Daphne | Dir | P - Purchase | $1.89 | +5,000 | 5,000 | New | +$9,450 |
| D | 2024-04-18 | 2024-04-16 | AMLX | Mazzariello Gina | CLO | A - Grant | $0.00 | +80.6K | 161.9K | +99% | $0 |
| D | 2024-04-18 | 2024-04-16 | AMLX | Bedrosian Camille L | Chief Medical Off | A - Grant | $0.00 | +96.9K | 155.2K | +166% | $0 |
| D | 2024-04-18 | 2024-04-16 | AMLX | Klee Justin B. | Co-CEO, Dir | A - Grant | $0.00 | +179.8K | 3.14M | +6% | $0 |
| D | 2024-04-18 | 2024-04-16 | AMLX | Cohen Joshua B | Co-CEO, Dir | A - Grant | $0.00 | +179.8K | 3.20M | +6% | $0 |
| D | 2024-04-18 | 2024-04-16 | AMLX | FRATES JAMES M | CFO | A - Grant | $0.00 | +91.2K | 226.0K | +68% | $0 |
| 2024-03-07 | 2024-03-05 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $18.73 | -4,135 | 3.02M | -0.1% | -$77.4K | |
| 2024-03-07 | 2024-03-05 | AMLX | Klee Justin B. | Co-CEO, Dir | S - Sale | $18.73 | -4,135 | 2.96M | -0.1% | -$77.4K | |
| 2024-03-07 | 2024-03-05 | AMLX | FRATES JAMES M | CFO | S - Sale | $18.73 | -1,792 | 134.8K | -1% | -$33.6K | |
| 2024-03-07 | 2024-03-05 | AMLX | Mazzariello Gina | CLO | S - Sale | $18.73 | -1,540 | 81.4K | -2% | -$28.8K | |
| D | 2024-02-28 | 2024-02-26 | AMLX | FRATES JAMES M | CFO | A - Grant | $0.00 | +40.0K | 152.0K | +36% | $0 |
| D | 2024-02-28 | 2024-02-26 | AMLX | Klee Justin B. | Co-CEO, Dir | A - Grant | $0.00 | +126.7K | 2.96M | +4% | $0 |
| D | 2024-02-28 | 2024-02-26 | AMLX | Cohen Joshua B | Co-CEO, Dir | A - Grant | $0.00 | +126.7K | 3.03M | +4% | $0 |
| D | 2024-02-28 | 2024-02-26 | AMLX | Mazzariello Gina | CLO | A - Grant | $0.00 | +36.7K | 82.9K | +79% | $0 |
| 2024-02-27 | 2024-02-23 | AMLX | Mazzariello Gina | CLO | S - Sale | $18.76 | -2,838 | 46.2K | -6% | -$53.2K | |
| 2024-01-29 | 2024-01-25 | AMLX | MILNE GEORGE M JR | Dir | G - Gift | $0.00 | -9,100 | 758.6K | -1% | $0 | |
| 2024-01-18 | 2024-01-16 | AMLX | MILNE GEORGE M JR | Dir | G - Gift | $0.00 | -94.3K | 767.7K | -11% | $0 | |
| 2024-01-11 | 2024-01-09 | AMLX | Yeramian Patrick D | Chief Medical Off | S - Sale | $16.33 | -2,812 | 205.6K | -1% | -$45.9K | |
| 2024-01-11 | 2024-01-09 | AMLX | FRATES JAMES M | CFO | S - Sale | $16.33 | -2,716 | 112.0K | -2% | -$44.4K | |
| 2024-01-11 | 2024-01-09 | AMLX | Cohen Joshua B | Co-CEO, Dir | S - Sale | $16.33 | -5,841 | 2.90M | -0.2% | -$95.4K |
Purchase Sale Sale after option exercise All abbreviations