Traders should monitor for potential downward pressure on AMLX shares and watch for any upcoming filings (e.g., 10-Q, press releases) that may explain this coordinated exit. Absent positive news, this pattern may signal waning confidence in near-term prospects.
Price Chart
Executive Summary
Five senior executives at Amylyx Pharmaceuticals, including both Co-CEOs, the CFO, CMO, and Chief Legal Officer, collectively sold over $1.16 million in shares in a single day. This represents a coordinated open-market sell-off by top leadership, with no offsetting purchases.
Key Financial Metrics
Key Facts
- All five transactions were open-market sales (Form 4 code 'S') executed on the same day (2026-03-02).
- Total value of sales: $1,156,315.69 (approximately $1.16M).
- Sellers include both Co-CEOs (Klee and Cohen), CFO (Frates), CMO (Bedrosian), and Chief Legal Officer (Mazzariello).
- This cluster represents ~0.077% of the company's $1.5B market cap — modest in size but highly significant due to concentration among C-suite executives.
- No insider purchases or non-cash transactions (e.g., A, F, M) were reported in this cluster.
Financial Impact
$1.16 million in net insider selling by top executives
Risk Factors
- Insiders may be diversifying after a vesting event, not necessarily due to negative outlook.
- No direct link to specific adverse business developments in this filing — the concern is behavioral, not fundamental.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (5 trades, 7d window) | cluster-AMLX-1772658066529 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 5, 2026 21d ago | 144 | $28.04 | awaiting T+20 | — | $27.09 (−3.39%) |
Sep 14, 2026 6w ago | Insider Cluster | $33.15 $26.85 | ▼ −19.00% | ▼ −21.73% | $27.09 (−18.28%) |
Sep 11, 2026 6w ago | 144 | $33.64 $27.48 | ▼ −18.31% | ▼ −20.57% | $27.09 (−19.47%) |
Aug 18, 2026 9w ago | 8-K | $35.11 $33.05 | ▼ −5.87% | ▼ −4.88% | $27.09 (−22.84%) |
Aug 15, 2026 10w ago | Institutional Cluster | $21.43 $33.15 | ▲ +54.69% | ▲ +56.67% | $27.09 (+26.41%) |
Aug 6, 2026 11w ago | 8-K | $24.19 $33.96 | ▲ +40.39% | ▲ +39.79% | $27.09 (+11.99%) |
Jun 11, 2026 19w ago | Institutional Cluster | $13.91 $18.38 | ▲ +32.14% | ▲ +30.24% | $27.09 (+94.75%) |
Apr 23, 2026 26w ago | DEFA14A | $17.32 $13.61 | ▼ −21.42% | ▼ −26.05% | $27.09 (+56.41%) |
Mar 2, 2026 34w ago | Insider Cluster | $15.30 $12.76 | ▼ −16.60% | ▼ −8.66% | $27.09 (+77.06%) |
Feb 23, 2026 35w ago | Insider Cluster | $13.90 $13.53 | ▲ +2.66% | ▼ −1.28% | $27.09 (−94.89%) |
US Market Status
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