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Insider Cluster (2 insiders) ·Filed Sep 15, 2026

KRRO

Korro Bio, Inc.
NEUTRAL
Impact 2/10
Horizondays Processed1mo ago
Insider cluster: 2 insiders, $450K total
Actionable Insight • Neutral

The $69 sale by the SVP of Finance is immaterial and likely routine (possibly a residual share disposal). The broader $450K cluster is modest relative to market cap and lacks C-suite participation. Monitor KRRO's next 10-Q for fundamental updates; no immediate read-through from this insider activity.

DirectionNeutral
Confidencelow
Horizondays
Latest settled — T+20d
KRRO ▼ -32.25% at T+20d
NEUTRAL call -32.25% · α vs SPY -35.69% · entry $13.83 → $9.37
Next anchor: T+60d in 6w
Latest observation: T+27 -16.87% FF3 residual α
Entry = T+0 close
Sep 15, 2026
via day close
T+1d
-14.68%
call -14.68% · α -15.81%
$11.80
settled 6w ago
T+5d
-27.84%
call -27.84% · α -30.67%
$9.98
settled 5w ago
T+20d
-32.25%
call -32.25% · α -35.69%
$9.37
settled 15d ago
T+60d
Pending
in 6w

Price Chart

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Executive Summary

Insider cluster: 2 insiders sold a total of $450K in KRRO over the past 7 days. The most recent transaction is a single open-market sale of 5 shares by Senior VP of Finance Dolan Oliver at $13.716, worth $69. This is a trivial, non-material transaction — $69 is negligible against KRRO's $204M market cap (0.00003%). The cluster's total value of $450K represents only ~0.22% of market cap, which is modest. No C-suite (CEO/CFO/CTO) participation is present. The cluster is dominated by a small, likely liquidity-driven sale; per academic literature, insider sells are weak predictors and should not be amplified. Sentiment is neutral.

Key Financial Metrics

Direction
selling
Total Value
$450.0K
Insiders
2

Financial Impact

Not specified

Risk Factors

  • Insider sells, even in clusters, are weak predictors of future returns (Alldredge 2019)
  • Small dollar value ($450K total) limits signal strength
  • No C-suite participation reduces informational content

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
89% bullish (18 analysts)

Investment Themes

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-KRRO-1789503453814
20 reports for KRRO
Performance horizon
71% Hit rate @ T+1 5 of 7 directional calls Went positive at some point 6 of 7 best @ T+5▲ +50.38%May 19, 2026
Filters
Rows
Reports for KRRO — sortable, filterable
TypeNow
Oct 27, 2026
today
SC 13G/A
NEUTRAL ★ 2/10
$12.73awaiting T+1—$13.30 (+4.48%)
Oct 26, 2026
1d ago
Insider Buy
BULLISH ★ 5/10
$12.46awaiting T+1—$13.30 (+6.74%)
Oct 22, 2026
5d ago
8-K
BULLISH ★ 6/10
$12.05 $11.98▼ −0.58%▼ −0.06%$13.30 (+10.37%)
Oct 16, 2026
11d ago
Press Release
NEUTRAL ★ 2/10
$8.91 $9.44▲ +5.95%▲ +5.61%$13.30 (+49.27%)
Oct 5, 2026
22d ago
8-K
NEUTRAL ★ 4/10
$9.76 $10.49▲ +7.48%▲ +7.72%$13.30 (+36.27%)
Oct 5, 2026
22d ago
Press Release
NEUTRAL ★ 4/10
$9.76 $10.49▲ +7.48%▲ +7.72%$13.30 (+36.27%)
Sep 15, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$13.83 $11.80▼ −14.68%▼ −15.81%$13.30 (−3.83%)
Aug 13, 2026
10w ago
Insider Cluster
NEUTRAL ★ 4/10
$13.29 $13.28▼ −0.08%▲ +0.12%$13.30 (+0.08%)
Aug 6, 2026
11w ago
8-K
BULLISH ★ 6/10
$12.12 $13.25▲ +9.32%▲ +8.71%$13.30 (+9.74%)
Jul 9, 2026
15w ago
Institutional Cluster
BULLISH ★ 6/10
$14.30 $14.56▲ +1.82%▲ +1.39%$13.30 (−6.99%)
Showing 10 of 20

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Report published Sep 15, 2026