SNSE Sensei Biotherapeutics, Inc.
Price Chart
Executive Summary
Two 10% owners of Sensei Biotherapeutics sold a combined $981K in open-market sales at $20/share, representing ~3.5% of the company's $28M market cap. This is a highly material insider cluster relative to company size, though both sellers are 10% owners rather than C-suite executives, which slightly reduces the informational signal. The cluster occurs without any disclosed 10b5-1 plan context, and the symmetrical timing and size suggest coordinated selling.
Key Financial Metrics
Actionable Insight
The coordinated sale by two 10% owners at the same price on the same day is a strong bearish signal for a micro-cap biotech. Monitor for upcoming 8-K filings (earnings, clinical updates, or financing) that may have motivated the sales. The 3.5% market cap stake sold is too large to ignore, but the absence of C-suite participation tempers the signal slightly.
Key Facts
- Two 10% owners sold a combined 49,048 shares for $981K at $20/share on June 1, 2026
- Total sales represent ~3.5% of SNSE's $28M market cap, exceeding the 2% materiality threshold
- No 10b5-1 plans or regular selling patterns disclosed; sales appear coordinated
- No C-suite insiders (CEO/CFO) participated in the cluster, reducing predictive power vs. executive-led clusters
- Recent insider activity shows $981K in total sales over 30 days, all from this cluster
Financial Impact
Sales of $981K represent ~3.5% of market cap, highly material for a $28M company
Risk Factors
- Potential undisclosed negative catalyst (clinical trial failure, financing need, regulatory setback)
- Further insider selling could accelerate if remaining 10% owners follow suit
- Micro-cap liquidity risk: $981K in sales could pressure the stock in thin trading
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SNSE-1780348937544 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 10, 2026
2d ago
|
S-3/A
| $11.26 awaiting T+1 | awaiting T+1 | — | $13.00 (+15.45%) |
|
Jun 10, 2026
2d ago
|
8-K
| $11.26 awaiting T+1 | awaiting T+1 | — | $13.00 (+15.45%) |
|
Jun 2, 2026
10d ago
|
10-K/A
| $16.10 $15.85 | ▼ −1.55% | ▼ −0.86% | $13.00 (−19.23%) |
|
Jun 2, 2026
10d ago
|
S-3/A
| $16.10 $15.85 | ▲ +1.55% | ▲ +0.86% | $13.00 (+19.23%) |
|
Jun 1, 2026
11d ago
|
Insider Cluster
| $16.10 $15.85 | ▲ +1.55% | ▲ +0.83% | $13.00 (+19.23%) |
|
May 22, 2026
21d ago
|
DEFA14A
| $16.47 $15.84 | ▼ −3.83% | ▼ −3.78% | $13.00 (−21.07%) |
|
May 22, 2026
21d ago
|
8-K
| $16.47 $15.84 | ▼ −3.83% | ▼ −3.78% | $13.00 (−21.07%) |
|
May 21, 2026
22d ago
|
DEFA14A
| $17.79 $16.47 | ▼ −7.42% | ▼ −8.01% | $13.00 (−26.93%) |
|
May 15, 2026
28d ago
|
8-K
| $20.43 $19.91 | ▼ −2.55% | ▼ −2.48% | $13.00 (−36.37%) |
|
Apr 29, 2026
6w ago
|
144
| $28.30 $26.62 | ▲ +5.94% | ▲ +6.96% | $13.00 (+54.06%) |
US Market Status
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