$UPB
Upstream Bio, Inc. Common Stock
XNAS•Health Care•Pharmaceutical Preparations
Why is UPB down today? It is at $6.84 (-0.15%), and our scanner flagged it 13 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment UPB spikes, and full due diligence on UPB — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $6.84
- Change today
- -0.15%
- Previous close
- $6.85
- 52-week range
- $5.85 – $33.68
- Market cap
- $382M
- Institutional own.
- 96.67%
- Total held
- 100.0%
- Avg daily volume
- 733K
- Sector
- Health Care
- Industry
- Pharmaceutical Preparations
- Exchange
- XNAS
- 5mthin
- 122x
- 15mthin
- 122x
- 1hthin
- 0.3x
- 1D
- --
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Why is $UPB moving today?
Here is the latest on UPB from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for UPB today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Likely catalystUpstream Bio, Inc.: Q2 FY2026 results, three months to Jun 30, 2026, from an SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
Insiders
Insiders selling0 buys, 5 sells last 3 months (5/10 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Deykin Aaron Officer | Sold (automatic/other) | -895 | sold 2.6% | 33K | $5K at $6.10 | Jun 16, 26 |
Ambrose Allison Officer | Sold (automatic/other) | -477 | sold 2.9% | 16K | $3K at $6.10 | Jun 16, 26 |
Houghton Adam Officer | Sold (automatic/other) | -700 | sold 2.9% | 24K | $4K at $6.10 | Jun 16, 26 |
Sutherland Everett Rand Officer | Sold (automatic/other) | -2K | sold 2.9% | 71K | $13K at $6.10 | Jun 16, 26 |
Gray Michael Officer | Sold (automatic/other) | -853 | sold 2.9% | 29K | $5K at $6.10 | Jun 16, 26 |
Houghton Adam Officer | Sold (automatic/other) | -699 | sold 2.8% | 24K | $6K at $9.29 | Mar 16, 26 |
Ambrose Allison Officer | Sold (automatic/other) | -475 | sold 2.8% | 17K | $4K at $9.29 | Mar 16, 26 |
Sutherland Everett Rand Officer | Sold (automatic/other) | -2K | sold 2.8% | 73K | $19K at $9.29 | Mar 16, 26 |
Deykin Aaron Officer | Sold (automatic/other) | -894 | sold 2.7% | 33K | $8K at $9.29 | Mar 16, 26 |
Gray Michael Officer | Sold (automatic/other) | -852 | sold 2.8% | 30K | $8K at $9.29 | Mar 16, 26 |
Sutherland Everett Rand Officer | Acquired (grant/award) | +75K 0.1% of company | n/a | 75K | n/a | Jan 2, 26 |
Gray Michael Officer | Acquired (grant/award) | +31K 0.06% of company | n/a | 31K | n/a | Jan 2, 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.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $UPB. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$UPB Sentiment
NeutralBlend of news sentiment, today’s move, and community votes. Not investment advice.
$UPB Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
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UPB stock FAQ
Why is $UPB moving today?
Here is the latest on UPB from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for UPB 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 UPB stock price today?
UPB last traded at $6.84, down 0.15% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live UPB alerts?
The UPB 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 UPB 13 times in the last 30 days.
What exchange is UPB on?
UPB (Upstream Bio, Inc. Common Stock) trades on XNAS, with a market cap of about $382M in the PHARMACEUTICAL PREPARATIONS sector.
Is UPB 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 UPB for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.