Monitor for any upcoming corporate events (earnings, pipeline updates, or regulatory news) that may have motivated the concentrated selling. The cluster is not large enough to be a standalone bearish catalyst, but combined with the recent selling pattern, it suggests insiders may be reducing exposure ahead of potential headwinds.
Price Chart
Executive Summary
Two top executives at Krystal Biotech (CEO Krish S. Krishnan and President of R&D Suma Krishnan) sold a combined ~$12.8M of stock on September 4, 2026, in a one-day cluster. The sales represent 0.12% of the $11.0B market cap — a modest but notable amount — and follow a pattern of recent insider selling ($6.9M over the prior 30 days). While not alarming at this scale, the simultaneous C-suite selling warrants attention for any upcoming negative catalyst.
Key Financial Metrics
Key Facts
- CEO Krish S. Krishnan sold ~$3.86M in 7 open-market transactions on Sept 4, 2026.
- President of R&D Suma Krishnan sold ~$8.98M in 13 open-market transactions on the same day.
- Total cluster value ~$12.84M, or 0.12% of KRYS's $11.0B market cap.
- Both insiders are C-suite, increasing the signal weight of the selling cluster.
- Prior 30-day insider activity showed 10 sells totaling $6.9M, indicating an ongoing selling pattern.
Financial Impact
~$12.8M in insider sales, representing 0.12% of market cap
Risk Factors
- Further insider selling could accelerate if negative news emerges.
- The cluster may indicate management's reduced confidence in near-term prospects.
- No 10b5-1 plan disclosure was provided, raising the possibility of discretionary sales.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-KRYS-1788563789342 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 28d ago | Insider Cluster | $351.26 $336.68 | ▲ +4.15% | ▲ +3.03% | $322.28 (+8.25%) |
Aug 14, 2026 7w ago | 144 | $335.73 $341.72 | ▲ +1.78% | ▲ +2.97% | $322.28 (−4.01%) |
Aug 3, 2026 8w ago | 8-K | $312.57 $331.59 | ▲ +6.08% | ▲ +4.06% | $322.28 (+3.11%) |
Jul 23, 2026 10w ago | Press Release | $335.19 $366.85 | ▲ +9.45% | ▲ +9.07% | $322.28 (−3.85%) |
Jun 5, 2026 17w ago | Insider Cluster | $301.76 $324.75 | ▲ +7.62% | ▲ +5.51% | $322.28 (+6.80%) |
May 4, 2026 21w ago | Press Release | $286.95 $312.88 | ▲ +9.04% | ▲ +6.10% | $322.28 (+12.31%) |
Apr 21, 2026 23w ago | Press Release | $272.66 $269.27 | ▼ −1.24% | ▼ −2.33% | $322.28 (+18.20%) |
Apr 3, 2026 26w ago | DEFA14A | $261.80 $267.41 | ▲ +2.14% | ▼ −1.99% | $322.28 (+23.10%) |
Feb 27, 2026 31w ago | Insider Cluster | $275.64 $253.69 | ▼ −7.96% | ▼ −5.98% | $322.28 (+16.92%) |
Feb 27, 2026 31w ago | Insider Cluster | $275.64 $253.69 | ▼ −7.96% | ▼ −5.98% | $322.28 (+16.92%) |
US Market Status
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