$PEN
Penumbra, Inc.
XNYS•Health Care•Surgical & Medical Instruments & Apparatus
Why is PEN up today? It is at $325.04 (+0.06%), and our scanner flagged it 1 time on unusual volume this month. See the catalyst behind the move, real-time alerts the moment PEN spikes, and full due diligence on PEN — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $325.04
- Change today
- +0.06%
- Previous close
- $324.86
- 52-week range
- $221.26 – $362.41
- Market cap
- $12.80B
- Total held
- 2.9%
- Tradeable float
- 38.2M 97% of shares · after 3% insiders + institutional n/a
- Short interest
- 2.1M ▲ +4% vs prior · as of 2026-07-15
- Short % of float
- 5.6%
- Days to cover
- 6.3d
- Avg daily volume
- 587K
- Sector
- Health Care
- Industry
- Surgical & Medical Instruments & Apparatus
- Exchange
- XNYS
- 5m
- 0.7x
- 15m
- 0.7x
- 1h
- 0.7x
- 1D
- 0.1x
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Why is $PEN moving today?
Here is the latest on PEN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PEN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Likely catalystQuarterly report (10-Q), from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
Insiders
0 buys, 1 sells last 3 months (18/44 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Elsesser Adam Officer | Sold (automatic/other) | -77K 0.2% of company | sold 10% | 683K | n/a | May 19, 26 |
Grewal Harpreet Director | Sold (automatic/other) | -100 | sold 1.1% | 9K | $33K at $328.22 | Apr 2, 26 |
Shiu Lambert Officer | Sold (automatic/other) | -150 | sold 0.4% | 39K | $50K at $336.18 | Mar 15, 26 |
Yuen Maggie Officer | Sold (automatic/other) | -186 | sold 1.0% | 18K | $63K at $336.18 | Mar 15, 26 |
Roberts Johanna Officer | Sold (automatic/other) | -186 | sold 0.3% | 67K | $63K at $336.18 | Mar 15, 26 |
Narayan Shruthi Officer | Sold (automatic/other) | -117 | sold 0.4% | 31K | $39K at $336.18 | Mar 15, 26 |
Yuen Maggie Officer | Sold (automatic/other) | -2K | sold 12% | 18K | $832K at $342.30 | Mar 2, 26 |
Narayan Shruthi Officer | Acquired (grant/award) | +3K | added 9.3% | 31K | n/a | Feb 17, 26 |
Shiu Lambert Officer | Acquired (grant/award) | +2K | added 6.2% | 39K | n/a | Feb 17, 26 |
Yuen Maggie Officer | Acquired (grant/award) | +3K | added 14% | 21K | n/a | Feb 17, 26 |
Roberts Johanna Officer | Acquired (grant/award) | +3K | added 4.1% | 67K | n/a | Feb 17, 26 |
Narayan Shruthi Officer | Sold (automatic/other) | -705 | sold 2.4% | 28K | $239K at $339.30 | Feb 15, 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.
$PEN Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$PEN Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.
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PEN stock FAQ
Why is $PEN moving today?
Here is the latest on PEN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PEN 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 PEN stock price today?
PEN last traded at $325.04, up 0.06% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live PEN alerts?
The PEN 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 PEN 1 time in the last 30 days.
What exchange is PEN on?
PEN (Penumbra, Inc.) trades on XNYS, with a market cap of about $12.80B in the SURGICAL & MEDICAL INSTRUMENTS & APPARATUS sector.
Is PEN 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 PEN for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.