$AMLX
Amylyx Pharmaceuticals, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
Why is AMLX up today? It is at $39.70 (+2.85%), and our scanner flagged it 250 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment AMLX spikes, and full due diligence on AMLX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $39.70
- Change today
- +2.85%
- Previous close
- $38.60
- 52-week range
- $7.96 – $39.07
- Market cap
- $3.91B
- Dividend yield
- 4.35% ($1.68)
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 13.4M ▲ +9% vs prior · as of 2026-07-31
- Days to cover
- 6.8d
- Avg daily volume
- 1.6M
- Sector
- Health Care
- Industry
- Pharmaceutical Preparations
- Exchange
- XNAS
- 5mthin
- 1.6x
- 15mthin
- 1.6x
- 1hthin
- 2.6x
- 1D
- 1.3x
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Why is $AMLX up today?
AMLX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 13 unusual-volume and momentum alerts on AMLX today, peaking at 11.2x its normal volume. Fresh from the SEC: Amylyx Pharmaceuticals, Inc. filed an 8-K: Material Agreement. A material company disclosure like this is often the real catalyst behind a move of this size.
Analyst data via Nasdaq. Not investment advice.
Insiders
1 open-market buy0 buys, 2 sells last 3 months (7/26 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Mazzariello Gina Officer | Sold (automatic/other) | -15K 0.01% of company | sold 7.7% | 179K | $264K at $17.61 | Jul 10, 26 |
Mazzariello Gina Officer | Sold (automatic/other) | -15K 0.01% of company | sold 7.2% | 194K | $275K at $18.32 | Jul 9, 26 |
Firestone Karen Director | Bought (open market) | +4K | added 6.0% | 67K | $51K at $13.51 | May 21, 26 |
Bedrosian Camille L Officer | Acquired (grant/award) | +96K 0.09% of company | added 57% | 265K | n/a | Mar 5, 26 |
Klee Justin B. Officer | Acquired (grant/award) | +249K 0.2% of company | added 7.5% | 3.58M | n/a | Mar 5, 26 |
Cohen Joshua B Officer | Acquired (grant/award) | +249K 0.2% of company | added 7.5% | 3.58M | n/a | Mar 5, 26 |
Mazzariello Gina Officer | Acquired (grant/award) | +75K 0.07% of company | added 56% | 209K | n/a | Mar 5, 26 |
Frates James M Officer | Acquired (grant/award) | +96K 0.09% of company | added 58% | 262K | n/a | Mar 5, 26 |
Mazzariello Gina Officer | Sold (automatic/other) | -7K | sold 4.8% | 134K | $99K at $14.52 | Mar 2, 26 |
Bedrosian Camille L Officer | Sold (automatic/other) | -6K | sold 3.7% | 169K | $94K at $14.58 | Mar 2, 26 |
Frates James M Officer | Sold (automatic/other) | -8K | sold 4.6% | 166K | $115K at $14.52 | Mar 2, 26 |
Cohen Joshua B Officer | Sold (automatic/other) | -29K 0.03% of company | sold 0.9% | 3.33M | $424K at $14.48 | Mar 2, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
Dilution watch
Recent offeringRecent priced share offering — a one-time sale that has already completed (not ongoing). If $AMLX runs, these filings show who may be positioned to sell new or newly-registered shares into the move.
- 350,000,000 new shares
Sourced from SEC EDGAR filings (last 9 months); terms read straight from the filing text where available. Ongoing = an at-the-market (ATM) program still selling over time or a live shelf, so it can keep diluting; Completed = a one-time priced sale that already finished. A shelf (S-3) stays effective ~3 years. Form type signals dilution capacity, not an exact share count, and we can't confirm how much of a shelf or ATM remains unused. Not investment advice.
$AMLX Sentiment
NeutralBlend of news sentiment, today’s move, and community votes. Not investment advice.
$AMLX Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
Stocks similar to AMLX
Comparable names in pharmaceutical preparations, closest in size first.
AMLX stock FAQ
Why is $AMLX up today?
AMLX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 13 unusual-volume and momentum alerts on AMLX today, peaking at 11.2x its normal volume. Fresh from the SEC: Amylyx Pharmaceuticals, Inc. filed an 8-K: Material Agreement. A material company disclosure like this is often the real catalyst behind a move of this size.
What is the AMLX stock price today?
AMLX last traded at $39.70, up 2.85% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does AMLX pay a dividend?
Yes. AMLX currently has a dividend yield of about 4.35% ($1.68 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live AMLX alerts?
The AMLX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged AMLX 250 times in the last 30 days.
What exchange is AMLX on?
AMLX (Amylyx Pharmaceuticals, Inc. Common Stock) trades on XNAS, with a market cap of about $3.91B in the PHARMACEUTICAL PREPARATIONS sector.
Is AMLX good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge AMLX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.