$ALGN
Align Technology Inc
XNAS•Health Care•Orthopedic, Prosthetic & Surgical Appliances & Supplies
Why is ALGN down today? It is at $158.94 (-2.51%), and our scanner flagged it 35 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ALGN spikes, and full due diligence on ALGN — key stats, earnings, dilution and insider activity. Free.
Get free $ALGN alerts the moment volume spikes
Our scanner flagged $ALGN 35 times in the last 30 days. Create a free account to track $ALGN, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.
No card · 5 premium days · join 800+ traders
Key Stats
- Price
- $158.94
- Change today
- -2.51%
- Previous close
- $163.04
- 52-week range
- $122.00 – $200.44
- Market cap
- $11.93B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 4.2M ▼ -13% vs prior · as of 2026-07-31
- Days to cover
- 4.0d
- Avg daily volume
- 1.2M
- Sector
- Health Care
- Industry
- Orthopedic, Prosthetic & Surgical Appliances & Supplies
- Exchange
- XNAS
- 5m
- 0.6x
- 15m
- 0.5x
- 1h
- 0.4x
- 1D
- 0.2x
Get free ALGN + market alerts in your inbox
The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.
No spam. Unsubscribe anytime. Not investment advice.
Why is $ALGN down today?
Here is the latest on ALGN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ALGN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Analyst data via Nasdaq. Not investment advice.
Insiders
0 buys, 0 sells last 3 months (0/5 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Morrow George J Director | Other | 2K | added 53% | 5K | n/a | May 20, 26 |
Conroy Kevin T Director | Other | 2K | added 97% | 4K | n/a | May 20, 26 |
Lacob Joseph Director | Other | 2K | added 1.3% | 136K | n/a | May 20, 26 |
Dallas Kevin J Director | Other | 2K | added 12% | 16K | n/a | May 20, 26 |
Larkin C Raymond Jr Director | Other | 2K | added 9.3% | 27K | n/a | May 20, 26 |
Myong Anne Director | Other | 2K | added 22% | 10K | n/a | May 20, 26 |
Poul Mojdeh Director | Other | 2K | added 97% | 4K | n/a | May 20, 26 |
Saia Andrea Lynn Director | Other | 2K | added 11% | 17K | n/a | May 20, 26 |
Siegel Susan E Director | Other | 2K | added 19% | 11K | n/a | May 20, 26 |
Vitalone Britt J. Director | Other | 1K | n/a | 1K | n/a | May 20, 26 |
Hogan Joseph M Officer | Sold (automatic/other) | -16K 0.02% of company | sold 7.1% | 209K | $3.1M at $190.02 | Feb 20, 26 |
Hogan Joseph M Officer | Other | 40K 0.06% of company | added 22% | 225K | n/a | Feb 20, 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
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $ALGN. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$ALGN Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$ALGN Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
Stocks similar to ALGN
Comparable names in orthopedic, prosthetic & surgical appliances & supplies, closest in size first.
ALGN stock FAQ
Why is $ALGN down today?
Here is the latest on ALGN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for ALGN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the ALGN stock price today?
ALGN last traded at $158.94, down 2.51% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live ALGN alerts?
The ALGN 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 ALGN 35 times in the last 30 days.
What exchange is ALGN on?
ALGN (Align Technology Inc) trades on XNAS, with a market cap of about $11.93B in the ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES sector.
Is ALGN 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 ALGN for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.