UPB Upstream Bio, Inc.
Price Chart
Executive Summary
Three corporate insiders at Upstream Bio, Inc. (UPB) sold shares in a coordinated open-market transaction on March 16, 2026, including the CEO and Chief Business Officer. The total value of the sales was approximately $30,350, representing a small but notable insider selling cluster.
Key Financial Metrics
Actionable Insight
Monitor for additional insider selling in the coming weeks; while this cluster is small in dollar value, the participation of the CEO and C-suite executives warrants attention ahead of upcoming earnings or clinical trial updates.
Key Facts
- Chief Executive Officer Sutherland Everett Rand sold 2,093 shares for $19,443.97.
- Chief Business Officer Adam Houghton sold 699 shares for $6,493.71.
- General Counsel Allison Ambrose sold 475 shares for $4,412.75.
- All transactions occurred on the same day (2026-03-16) in the open market at $9.29 per share.
- Total value of insider sales: $30,350.53.
Financial Impact
$30,350 in open-market share sales by insiders
Risk Factors
- Potential perception of lack of confidence if no offsetting buy activity follows.
- Risk of negative sentiment if future filings reveal larger-scale selling or downward revisions to company outlook.
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (3 trades, 7d window) | cluster-UPB-1773781280101 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
May 18, 2026
22d ago
|
Press Release
| $8.51 $8.21 | ▼ −3.53% | ▼ −5.14% | $6.69 (−21.39%) |
|
May 13, 2026
27d ago
|
Press Release
| $9.36 $8.03 | ▲ +14.21% | ▲ +13.05% | $6.69 (+28.53%) |
|
Apr 17, 2026
7w ago
|
Press Release
| $9.99 $9.30 | ▼ −6.91% | ▼ −7.46% | $6.69 (−33.03%) |
|
Mar 26, 2026
10w ago
|
424B5
| $8.67 $9.72 | ▼ −12.11% | ▼ −8.25% | $6.69 (+22.84%) |
|
Mar 26, 2026
10w ago
|
Press Release
| $9.79 $9.50 | ▼ −2.96% | ▼ −4.60% | $6.69 (−31.66%) |
|
Mar 16, 2026
12w ago
|
Insider Cluster
| $9.61 $8.45 | ▼ −12.07% | ▼ −10.03% | $6.69 (−30.39%) |
|
Mar 1, 2026
14w ago
|
Press Release
| $7.70 $8.06 | ▲ +4.68% | ▲ +5.88% | $6.69 (−13.12%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access