$INSM
Insmed, Inc.
XNAS•Health Care•Pharmaceutical Preparations
Why is INSM up today? It is at $135.45 (+36.79%), and our scanner flagged it 65 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment INSM spikes, and full due diligence on INSM — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $135.45
- Change today
- +36.79%
- Previous close
- $99.02
- 52-week range
- $90.39 – $212.75
- Market cap
- $21.46B
- Institutional own.
- 99.9%
- Total held
- 99.9%
- Tradeable float
- 215K 0% of shares · after <1% insiders + 100% institutions
- Short interest
- 11.6M ▼ -27% vs prior · as of 2026-07-15
- Days to cover
- 4.8d
- Avg daily volume
- 2.9M
- Sector
- Health Care
- Industry
- Pharmaceutical Preparations
- Exchange
- XNAS
- 5m
- 6.6x
- 15m
- 6.3x
- 1hthin
- 12x
- 1D
- 0.5x
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Why is $INSM up today?
INSM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 14 unusual-volume and momentum alerts on INSM today, peaking at 68.3x its normal volume. Fresh from the SEC: INSMED Inc: Insmed Reports Second-Quarter 2026 Financial Results and Provides Business Update. 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
7 buys, 21 sells last 3 months (18/89 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Lewis William Officer | Sold (automatic/other) | -11K | sold 4.0% | 259K | $1.1M at $105.62 | Jul 23, 26 |
Lewis William Officer | Other | 11K | added 4.1% | 270K | $184K at $17.16 | Jul 23, 26 |
Lewis William Officer | Sold (automatic/other) | -11K | sold 4.0% | 259K | $1.2M at $116.55 | Jul 9, 26 |
Lewis William Officer | Other | 11K | added 4.1% | 270K | $184K at $17.16 | Jul 9, 26 |
Flammer Martina M.D. Officer | Sold (automatic/other) | -12K | sold 17% | 60K | $1.3M at $109.02 | Jul 6, 26 |
Flammer Martina M.D. Officer | Other | 12K | added 20% | 73K | $243K at $19.74 | Jul 6, 26 |
Lewis William Officer | Sold (automatic/other) | -21K | sold 7.6% | 259K | $2.2M at $102.34 | Jun 25, 26 |
Lewis William Officer | Other | 21K | added 8.3% | 280K | $367K at $17.16 | Jun 25, 26 |
Butera Samuele Officer | Acquired (grant/award) | +7K | n/a | 7K | n/a | Jun 23, 26 |
Smith Michael Alexander Officer | Sold (automatic/other) | -2K | sold 4.6% | 38K | $173K at $95.82 | Jun 22, 26 |
Lewis William Officer | Sold (automatic/other) | -7K | sold 2.5% | 259K | $613K at $94.03 | Jun 8, 26 |
Flammer Martina M.D. Officer | Sold (automatic/other) | -2K | sold 3.0% | 60K | $193K at $103.78 | Jun 5, 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.
$INSM Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$INSM Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.
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INSM stock FAQ
Why is $INSM up today?
INSM is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 14 unusual-volume and momentum alerts on INSM today, peaking at 68.3x its normal volume. Fresh from the SEC: INSMED Inc: Insmed Reports Second-Quarter 2026 Financial Results and Provides Business Update. A material company disclosure like this is often the real catalyst behind a move of this size.
What is the INSM stock price today?
INSM last traded at $135.45, up 36.79% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live INSM alerts?
The INSM 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 INSM 65 times in the last 30 days.
What exchange is INSM on?
INSM (Insmed, Inc.) trades on XNAS, with a market cap of about $21.46B in the PHARMACEUTICAL PREPARATIONS sector.
Is INSM 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 INSM for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.