$PI
Impinj, Inc. Common Stock
XNAS•Technology•Electronic Components, Nec
Why is PI up today? It is at $165.54 (+3.64%), and our scanner flagged it 22 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment PI spikes, and full due diligence on PI — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $165.54
- Change today
- +3.64%
- Previous close
- $159.73
- 52-week range
- $87.36 – $247.06
- Market cap
- $5.06B
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Short interest
- 3.0M ▼ -10% vs prior · as of 2026-07-31
- Days to cover
- 6.4d
- Avg daily volume
- 565K
- Sector
- Technology
- Industry
- Electronic Components, Nec
- Exchange
- XNAS
- 5m
- 0.2x
- 15m
- 0.7x
- 1h
- 0.6x
- 1D
- --
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Why is $PI up today?
Here is the latest on PI from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PI today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Latest filing4Insider trade (Form 4)Aug 21, 2026 · 2 days agoAnalyst data via Nasdaq. Not investment advice.
Insiders
1 buys, 15 sells last 3 months (3/62 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Diorio Chris Ph.D. Officer | Sold (automatic/other) | -10K 0.03% of company | sold 2.7% | 362K | n/a | Aug 17, 26 |
Baker Cary Officer | Sold (automatic/other) | -1K | sold 1.6% | 88K | $264K at $185.00 | Aug 10, 26 |
Diorio Chris Ph.D. Officer | Sold (automatic/other) | -10K 0.03% of company | sold 2.6% | 372K | n/a | Jul 13, 26 |
Diorio Chris Ph.D. Officer | Sold (automatic/other) | -1K | sold 0.3% | 382K | $150K at $125.22 | Jun 23, 26 |
Diorio Chris Ph.D. Officer | Other | 3K | added 0.8% | 383K | n/a | Jun 23, 26 |
Baker Cary Officer | Sold (automatic/other) | -424 | sold 0.5% | 90K | $53K at $125.22 | Jun 23, 26 |
Baker Cary Officer | Other | 1K | added 1.2% | 90K | n/a | Jun 23, 26 |
Diorio Chris Ph.D. Officer | Sold (automatic/other) | -10K 0.03% of company | sold 2.6% | 380K | n/a | Jun 15, 26 |
Sylebra Capital Llc Director | Sold (automatic/other) | -12K 0.04% of company | sold 0.8% | 1.58M | $1.5M at $127.36 | Jun 9, 26 |
Sylebra Capital Llc Director | Sold (automatic/other) | -46K 0.1% of company | sold 5.4% | 795K | $5.7M at $125.97 | Jun 8, 26 |
Sylebra Capital Llc Director | Sold (automatic/other) | -47K 0.2% of company | sold 5.3% | 841K | $5.8M at $122.50 | Jun 5, 26 |
Sylebra Capital Llc Director | Sold (automatic/other) | -33K 0.1% of company | sold 3.6% | 888K | $4.6M at $136.84 | Jun 4, 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.
$PI Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$PI Activity
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PI stock FAQ
Why is $PI up today?
Here is the latest on PI from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for PI 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 PI stock price today?
PI last traded at $165.54, up 3.64% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live PI alerts?
The PI 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 PI 22 times in the last 30 days.
What exchange is PI on?
PI (Impinj, Inc. Common Stock) trades on XNAS, with a market cap of about $5.06B in the ELECTRONIC COMPONENTS, NEC sector.
Is PI 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 PI for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.