Amylyx Pharmaceuticals, Inc. insider trading
AMLX$27.79-0.29 (-1.03% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+109.1%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flowKey players
- JBJoshua B. Cohen3.2427%
- JBJustin B. Klee3.2426%
- GMGeorge M. Milne Jr.0.7295%
- JMJames M. Frates0.3591%
- CLCamille L. Bedrosian0.2496%
- GMGina Mazzariello0.1713%
- KFKaren Firestone0.1049%
- BGBernhardt G. Zeiher0.009%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| AMLX | Camille L. Bedrosian | Open market sell$68.9K | -0.7% | $33.09 | $68.9K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Camille L. Bedrosian | Open market sell$256K | -2.8% | $32.21 | $256K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | James M. Frates | Open market sell$34.6K | -0.4% | $33.23 | $34.6K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | James M. Frates | Open market sell$315K | -3.4% | $32.27 | $315K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Gina Mazzariello | Open market sell$367 | 0.0% | $33.34 | $367 | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Gina Mazzariello | Open market sell$309K | -4.8% | $32.46 | $309K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Joshua B. Cohen | Open market sell$30.5K | 0.0% | $33.15 | $30.5K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Joshua B. Cohen | Open market sell$950K | -0.8% | $32.16 | $950K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Justin B. Klee | Open market sell$47.7K | 0.0% | $33.16 | $47.7K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Justin B. Klee | Open market sell$933K | -0.8% | $32.13 | $933K | Sep 10, 2026 | Sep 14, 2026 |
| AMLX | Gina Mazzariello | Open market sell$264K | -7.7% | $17.61 | $264K | Jul 10, 2026 | Jul 13, 2026 |
| AMLX | Gina Mazzariello | Open market sell$275K | -7.2% | $18.32 | $275K | Jul 9, 2026 | Jul 13, 2026 |
| AMLX | Karen Firestone | Open market purchase$51.3K | +6.0% | $13.51 | $51.3K | May 21, 2026 | May 26, 2026 |
| AMLX | Justin B. Klee | Open market sell$424K | -0.9% | $14.47 | $424K | Mar 2, 2026 | Mar 4, 2026 |
| AMLX | Joshua B. Cohen | Open market sell$424K | -0.9% | $14.48 | $424K | Mar 2, 2026 | Mar 4, 2026 |
| AMLX | Camille L. Bedrosian | Open market sell$94.2K | -3.7% | $14.58 | $94.2K | Mar 2, 2026 | Mar 4, 2026 |
| AMLX | James M. Frates | Open market sell$115K | -4.3% | $14.52 | $115K | Mar 2, 2026 | Mar 4, 2026 |
| AMLX | Gina Mazzariello | Open market sell$99.4K | -4.8% | $14.52 | $99.4K | Mar 2, 2026 | Mar 4, 2026 |
| AMLX | Gina Mazzariello | Open market sell$48.3K | -2.4% | $14.14 | $48.3K | Feb 23, 2026 | Feb 25, 2026 |
| AMLX | James M. Frates | Open market sell$52.1K | -1.9% | $14.65 | $52.1K | Feb 2, 2026 | Feb 4, 2026 |
| AMLX | Joshua B. Cohen | Open market sell$228K | -0.5% | $14.68 | $228K | Feb 2, 2026 | Feb 4, 2026 |
| AMLX | Gina Mazzariello | Open market sell$50.5K | -2.3% | $14.65 | $50.5K | Feb 2, 2026 | Feb 4, 2026 |
| AMLX | Justin B. Klee | Open market sell$228K | -0.5% | $14.69 | $228K | Feb 2, 2026 | Feb 4, 2026 |
| AMLX | James M. Frates | Open market sell$37K | -1.7% | $11.11 | $37K | Jan 6, 2026 | Jan 8, 2026 |
| AMLX | Joshua B. Cohen | Open market sell$85.6K | -0.2% | $11.09 | $85.6K | Jan 6, 2026 | Jan 8, 2026 |
| AMLX | Justin B. Klee | Open market sell$85.6K | -0.2% | $11.09 | $85.6K | Jan 6, 2026 | Jan 8, 2026 |
| AMLX | Karen Firestone | Open market purchase$101K | +14.7% | $12.45 | $101K | Dec 23, 2025 | Dec 23, 2025 |
| AMLX | Camille L. Bedrosian | Open market sell$94.4K | -3.6% | $14.35 | $94.4K | Dec 1, 2025 | Dec 3, 2025 |