KRRO Korro Bio, Inc.
Price Chart
Executive Summary
Two insiders at Korro Bio, CEO Ram Aiyar and Director Jean Francois Formela, sold a combined $231K in open-market sales over two days. The CEO’s $197K sale represents roughly 0.1% of the $186M market cap, a modest amount that is routine relative to company size. No other material corporate events or filings accompany these sales, suggesting liquidity-driven or pre-scheduled dispositions rather than a bearish signal.
Key Financial Metrics
Actionable Insight
Insider selling at this scale is too small to warrant a directional trade. Aiyar and Formela are significant shareholders; a single modest open-market sale by each is within normal liquidity patterns. Traders should focus on upcoming pipeline catalysts (phase data, trial updates) rather than this insider activity.
Key Facts
- CEO Ram Aiyar sold 15,152 open-market shares on 2026-05-29 for ~$197K.
- Director Jean Francois Formela sold 2,441 open-market shares on 2026-05-28 for ~$34K.
- Combined $231K in sales equals ~0.12% of Korro Bio's $186M market cap.
- No 10b5-1 plan designation is stated in the filings, but the modest dollar amounts and single-transaction-per-insider pattern are consistent with routine portfolio rebalancing or tax management.
- No recent earnings, M&A, or regulatory catalyst was filed alongside this cluster.
- The analyst consensus is heavily bullish (81% buy), contrasting with the insider activity.
Financial Impact
Total insider selling of $231K represents ~0.12% of market cap.
Risk Factors
- If additional unannounced insider selling follows, the pattern could shift from routine to concerning.
- No earnings or material event in the window; the lack of context makes these trades less informative.
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-KRRO-1780398034986 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
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Jun 11, 2026
5d ago
|
Institutional Cluster
| $10.53 $11.61 | ▲ +10.26% | ▲ +9.72% | $10.66 (+1.23%) |
|
Jun 2, 2026
14d ago
|
Insider Cluster
| $11.00 $11.08 | ▲ +0.73% | ▲ +1.45% | $10.66 (−3.09%) |
|
May 19, 2026
28d ago
|
8-K
| $9.15 $10.01 | ▲ +9.40% | ▲ +8.36% | $10.66 (+16.50%) |
|
Apr 16, 2026
8w ago
|
DEFA14A
| $13.47 $14.39 | ▲ +6.83% | ▲ +5.62% | $10.66 (−20.86%) |
|
Mar 23, 2026
12w ago
|
EFFECT
| $11.27 $10.58 | ▼ −6.12% | ▼ −5.77% | $10.66 (−5.41%) |
|
Mar 13, 2026
13w ago
|
S-3
| $12.60 $12.31 | ▲ +2.30% | ▲ +2.57% | $10.66 (+15.40%) |
|
Mar 10, 2026
14w ago
|
Insider Cluster
| $11.48 $11.76 | ▲ +2.44% | ▲ +2.54% | $10.66 (−7.14%) |
|
Mar 9, 2026
14w ago
|
Press Release
| $12.30 $11.48 | ▼ −6.67% | ▼ −6.48% | $10.66 (−13.33%) |
US Market Status
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