$ARM
Arm Holdings plc American Depositary Shares
XNAS
Why is ARM up today? It is at $278.92 (+1.58%), and our scanner flagged it 237 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ARM spikes, and full due diligence on ARM — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $278.92
- Change today
- +1.58%
- Previous close
- $274.58
- 52-week range
- $100.02 – $452.70
- Market cap
- $292.17B
- Institutional own.
- 8.41%
- Total held
- 8.5%
- Tradeable float
- 973.9M 92% of shares · after <1% insiders + 8% institutions
- Short interest
- 17.5M ▲ +1% vs prior · as of 2026-07-15
- Short % of float
- 1.8%
- Days to cover
- 2.9d
- Avg daily volume
- 6.9M
- Exchange
- XNAS
- 5m
- 0.2x
- 15m
- 0.3x
- 1h
- 0.2x
- 1D
- 0.0x
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Why is $ARM up today?
ARM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on ARM today, peaking at 5.0x its normal volume.
Likely catalystForeign issuer report (6-K), from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
Insiders
6 buys, 23 sells last 3 months (6/30 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Bartels Laura Kathleen Officer | Sold (automatic/other) | -11K | sold 48% | 12K | $4.4M at $392.70 | Jun 2, 26 |
Abbey William Officer | Sold (automatic/other) | -7K | sold 24% | 21K | $2.5M at $383.73 | Jun 1, 26 |
Abbey William Officer | Sold (automatic/other) | -4K | sold 13% | 27K | $1.4M at $343.81 | May 28, 26 |
Abbey William Officer | Sold (automatic/other) | -2K | sold 6.8% | 31K | $703K at $305.82 | May 22, 26 |
Eaton Charlotte Claire Officer | Sold (automatic/other) | -4K | sold 34% | 8K | $1.1M at $282.77 | May 21, 26 |
Eaton Charlotte Claire Officer | Sold (automatic/other) | -8K | n/a | n/a | $2.2M at $288.10 | May 21, 26 |
Abbey William Officer | Sold (automatic/other) | -5K | sold 12% | 34K | $1.3M at $287.03 | May 21, 26 |
Eaton Charlotte Claire Officer | Sold (automatic/other) | -3K | sold 21% | 12K | $782K at $252.25 | May 20, 26 |
Child Jason Officer | Sold (automatic/other) | -32K | sold 15% | 174K | $7.2M at $226.54 | May 20, 26 |
Abbey William Officer | Sold (automatic/other) | -5K | sold 12% | 38K | $1.3M at $257.18 | May 20, 26 |
Abbey William Officer | Sold (automatic/other) | -11K | sold 20% | 43K | $2.4M at $224.14 | May 19, 26 |
Collins Spencer Officer | Sold (automatic/other) | -41K | n/a | n/a | $8.8M at $215.00 | May 19, 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.
$ARM Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$ARM Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.
ARM is in these themes
Curated groups ARM belongs to. Tap one to see every member with today's move and why the group is moving.
ARM stock FAQ
Why is $ARM up today?
ARM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on ARM today, peaking at 5.0x its normal volume.
What is the ARM stock price today?
ARM last traded at $278.92, up 1.58% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live ARM alerts?
The ARM 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 ARM 237 times in the last 30 days.
What exchange is ARM on?
ARM (Arm Holdings plc American Depositary Shares) trades on XNAS, with a market cap of about $292.17B.
Is ARM 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 ARM for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.