$ATEC
Alphatec Holdings, Inc.
XNAS
Why is ATEC up today? It is at $9.47 (+1.94%), and our scanner flagged it 65 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ATEC spikes, and full due diligence on ATEC — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $9.47
- Change today
- +1.94%
- Previous close
- $9.29
- 52-week range
- $6.82 – $23.29
- Market cap
- $1.43B
- Institutional own.
- 79.10%
- Total held
- 79.2%
- Tradeable float
- 32.2M 21% of shares · after <1% insiders + 79% institutions
- Short interest
- 13.8M ▲ +0% vs prior · as of 2026-07-31
- Short % of float
- 42.9%
- Days to cover
- 7.3d
- Avg daily volume
- 2.8M
- Exchange
- XNAS
- 5mthin
- 100x
- 15mthin
- 100x
- 1hthin
- 100x
- 1D
- 0.2x
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Why is $ATEC up today?
ATEC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 2 unusual-volume and momentum alerts on ATEC today, peaking at 17.5x its normal volume.
Likely catalystAlphatec Holdings, Inc.: Q2 FY2026 results, three months to Jun 30, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Aug 8, 2026 · 13 days agoAnalyst data via Nasdaq. Not investment advice.
Insiders
Insiders buying3 open-market buys6 buys, 2 sells last 3 months (15/56 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Marshall Tyson Eliot Officer | Sold (automatic/other) | -8K | sold 1.3% | 630K | $79K at $9.65 | Aug 5, 26 |
Mcginnis Karen K Director | Sold (automatic/other) | -6K | sold 6.0% | 95K | $48K at $8.01 | Jun 11, 26 |
Demski David M Director | Acquired (grant/award) | +32K 0.02% of company | added 8.0% | 432K | n/a | Jun 10, 26 |
Berkowitz Mortimer Iii Director | Acquired (grant/award) | +32K 0.02% of company | added 5.2% | 650K | n/a | Jun 10, 26 |
Pelizzon David R Director | Acquired (grant/award) | +32K 0.02% of company | added 9.2% | 379K | n/a | Jun 10, 26 |
Valentine Keith Director | Acquired (grant/award) | +32K 0.02% of company | added 14% | 264K | n/a | Jun 10, 26 |
Blackford Quentin S. Director | Acquired (grant/award) | +32K 0.02% of company | added 5.6% | 600K | n/a | Jun 10, 26 |
Mcginnis Karen K Director | Acquired (grant/award) | +32K 0.02% of company | added 47% | 101K | n/a | Jun 10, 26 |
Valentine Keith Director | Bought (open market) | +35K 0.02% of company | added 18% | 232K | $245K at $7.00 | May 11, 26 |
Valentine Keith Director | Bought (open market) | +44K 0.03% of company | added 29% | 197K | $331K at $7.54 | May 8, 26 |
Valentine Keith Director | Bought (open market) | +56K 0.04% of company | added 58% | 153K | $421K at $7.49 | May 7, 26 |
Marshall Tyson Eliot Officer | Sold (automatic/other) | -23K 0.02% of company | sold 3.5% | 639K | $258K at $11.03 | Apr 7, 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.
$ATEC Sentiment
BearishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$ATEC Activity
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ATEC stock FAQ
Why is $ATEC up today?
ATEC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 2 unusual-volume and momentum alerts on ATEC today, peaking at 17.5x its normal volume.
What is the ATEC stock price today?
ATEC last traded at $9.47, up 1.94% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live ATEC alerts?
The ATEC 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 ATEC 65 times in the last 30 days.
What exchange is ATEC on?
ATEC (Alphatec Holdings, Inc.) trades on XNAS, with a market cap of about $1.43B.
Is ATEC 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 ATEC for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.