Monitor for any upcoming corporate events or news that may have prompted the selling. The concentration of sales by a director is notable and could signal negative sentiment ahead of a catalyst. Watch for further insider activity or a material adverse event.
Price Chart
Executive Summary
Multiple insiders at Korro Bio sold shares totaling $2.3M over a 10-day window, led by director Jean Francois Formela who sold $2.09M. The sales represent 1.2% of market cap, a material amount. While officer sales were small, the director's large sale raises caution.
Key Financial Metrics
Key Facts
- Director Jean Francois Formela sold 145,640 shares for $2.09M across three days (June 22-24).
- COO Todd Chappell sold 3,200 shares for $34K on June 16.
- General Counsel Jeffrey Cerio sold 6,600 shares for $72K on June 16.
- SVP Finance Oliver Dolan sold 3,400 shares for $37K on June 16.
- CSO Loic Vincent sold 3,400 shares for $37K on June 16.
- Total insider sales of $2.3M represent ~1.2% of KRRO's $198M market cap.
Financial Impact
Total insider sales of $2.3M, approximately 1.2% of market cap.
Risk Factors
- Potential negative corporate news or clinical trial setback.
- Further insider selling could pressure the stock.
- Director's large sale may indicate loss of confidence.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-KRRO-1782346170882 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G/A | $12.73 | awaiting T+1 | — | $13.30 (+4.48%) |
Oct 26, 2026 1d ago | Insider Buy | $12.46 | awaiting T+1 | — | $13.30 (+6.74%) |
Oct 22, 2026 5d ago | 8-K | $12.05 $11.98 | ▼ −0.58% | ▼ −0.06% | $13.30 (+10.37%) |
Oct 16, 2026 11d ago | Press Release | $8.91 $9.44 | ▲ +5.95% | ▲ +5.61% | $13.30 (+49.27%) |
Oct 5, 2026 22d ago | 8-K | $9.76 $10.49 | ▲ +7.48% | ▲ +7.72% | $13.30 (+36.27%) |
Oct 5, 2026 22d ago | Press Release | $9.76 $10.49 | ▲ +7.48% | ▲ +7.72% | $13.30 (+36.27%) |
Sep 15, 2026 6w ago | Insider Cluster | $13.83 $11.80 | ▼ −14.68% | ▼ −15.81% | $13.30 (−3.83%) |
Aug 13, 2026 10w ago | Insider Cluster | $13.29 $13.28 | ▼ −0.08% | ▲ +0.12% | $13.30 (+0.08%) |
Aug 6, 2026 11w ago | 8-K | $12.12 $13.25 | ▲ +9.32% | ▲ +8.71% | $13.30 (+9.74%) |
Jul 9, 2026 15w ago | Institutional Cluster | $14.30 $14.56 | ▲ +1.82% | ▲ +1.39% | $13.30 (−6.99%) |
US Market Status
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