SION Sionna Therapeutics, Inc.
NEUTRAL
Impact: 2/10
Insider Cluster (2 insiders)
Insider cluster: 2 insiders, $9K total
Latest settled — T+5d ⚠ clustered
SION ▼ -13.52% at T+5d
NEUTRAL call ✗ call lost -13.52% · α vs SPY -10.77% · entry $40.90 → $35.37
Last close $35.92 (close Jun 12) · -12.18% from $40.90 entry
T+1d
-10.81%
call -10.81% · α -10.95%
$36.48
settled 14d ago
T+5d
-13.52%
call -13.52% · α -10.77%
$35.37
settled 10d ago
T+20d
—
call — · α —
—
in 14d
T+60d
—
call — · α —
—
in 2mo
Price Chart
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Executive Summary
Two directors sold a combined $9K in SION stock on May 27, 2026, a trivial amount relative to the $1.9B market cap. The sales are immaterial and likely routine portfolio adjustments, not indicative of any negative outlook.
Key Financial Metrics
Direction
selling
Total Value
$9.0K
Insiders
2
Actionable Insight
The $9K in director sales is noise. Monitor for any larger C-suite sales or material corporate events (e.g., clinical data, financing) that could move the stock. No immediate action warranted.
Key Facts
- Two directors sold 101 shares each at $44.49 on May 27, 2026.
- Total sale value is approximately $9K, representing ~0.0005% of SION's $1.9B market cap.
- No C-suite insiders participated in the cluster.
- Recent 30-day insider activity shows $26.7M in total sales, dwarfing this cluster.
Financial Impact
Total sales of ~$9K are negligible relative to $1.9B market cap.
Risk Factors
- Insider sales could increase if upcoming clinical data disappoints.
- The broader 30-day insider selling of $26.7M may warrant attention if it accelerates.
Market Snapshot
Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
88% bullish (16 analysts)
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SION-1780102991202 |
10 reports for SION
100%
Hit rate
best @ T+20▲ +15.26%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
3d ago
|
Institutional Cluster
| $34.08 awaiting T+5 | awaiting T+5 | — | $35.92 (+5.40%) |
|
May 30, 2026
16d ago
|
Insider Cluster
| $40.90 $35.37 | ▼ −13.52% | ▼ −10.77% | $35.92 (−12.18%) |
|
May 29, 2026
16d ago
|
144
| $40.90 $35.37 | ▲ +13.52% | ▲ +10.77% | $35.92 (+12.18%) |
|
May 12, 2026
4w ago
|
8-K
| $40.94 $39.24 | ▼ −4.15% | ▼ −4.23% | $35.92 (−12.26%) |
|
May 12, 2026
4w ago
|
Press Release
| $40.94 $39.24 | ▼ −4.15% | ▼ −4.23% | $35.92 (−12.26%) |
|
May 7, 2026
5w ago
|
Insider Cluster
| $43.31 $43.12 | ▲ +0.44% | ▲ +1.94% | $35.92 (+17.06%) |
|
Apr 27, 2026
6w ago
|
Press Release
| $39.21 $40.45 | ▲ +3.16% | ▲ +2.76% | $35.92 (−8.39%) |
|
Apr 16, 2026
8w ago
|
Insider Cluster
| $45.24 $38.35 | ▲ +15.23% | ▲ +16.21% | $35.92 (+20.60%) |
|
Apr 15, 2026
8w ago
|
Insider Cluster
| $45.09 $43.20 | ▲ +4.19% | ▲ +5.83% | $35.92 (+20.34%) |
|
Mar 2, 2026
14w ago
|
Press Release
| $33.92 $37.53 | ▲ +10.64% | ▲ +11.85% | $35.92 (+5.90%) |
Showing 10 of 10
US Market Status
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