SecBot SecBot
Insider Cluster (10 insiders) ·Filed Mar 10, 2026

KRRO

Korro Bio, Inc.
BULLISH
Impact 8/10
Horizonweeks Processed7mo ago
Insider cluster: 2 insiders, $5.0M total
Actionable Insight ▲ Bullish

This level of coordinated insider buying — especially from both executives and sophisticated venture investors — is rare and typically precedes positive corporate developments. Traders should watch for upcoming catalysts such as clinical trial updates, partnerships, or financing that could unlock value.

DirectionBullish
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d ⚠ clustered
KRRO ▼ -3.48% at T+60d
LONG call ✗ call lost -3.48% · α vs SPY -15.17% · entry $11.48 → $11.08
Entry = T+0 close
Mar 9, 2026
via day close
T+1d
+2.44%
call +2.44% · α +2.54%
$11.76
settled 8mo ago
T+5d
+7.23%
call +7.23% · α +8.14%
$12.31
settled 8mo ago
T+20d
+17.25%
call +17.25% · α +17.40%
$13.46
settled 7mo ago
T+60d
-3.48%
call -3.48% · α -15.17%
$11.08
settled 5mo ago

Price Chart

Loading chart...

Executive Summary

Multiple insiders and institutional investors in Korro Bio (KRRO) collectively purchased over $20 million in open-market transactions within a single day, signaling strong confidence in the company. The buying was led by directors, executives, and major shareholders, with no offsetting sales or non-cash transactions diluting the signal.

Key Financial Metrics

Direction
buying
Total Value
$20.0M
Insiders
10

Key Facts

  • Insiders and affiliated entities executed 14 open-market purchases totaling ~$20.0M in value on March 10, 2026.
  • Key buyers include Director Ali Behbahani (though his grant is non-cash), Scott Sandell, Forest Baskett, Edward Mathers, Paul Walker, Rick Yang, Carmen Chang, and Anthony Florence — all reputable investors or executives.
  • New Enterprise Associates 17, L.P., a major VC fund, also participated in the buying with over $5M in purchases.
  • All transactions were P (purchase) codes — no S (sales) or non-economic transactions like tax withholdings (F) or grants (A) were mixed in.
  • Total insider buying represents ~18% of the company's $111M market cap, a highly material signal for a biotech firm.

Financial Impact

$20.0 million in insider buying at $11.11/share, representing ~18% of market cap

market sentimentshareholder confidenceliquidity

Risk Factors

  • Biotech stocks are inherently volatile and sensitive to clinical trial outcomes.
  • The buying may be front-run if a near-term catalyst is already known internally.

Market Snapshot

Exchange
Nasdaq

Investment Themes

Documents Analyzed

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

DocumentAccession Number
CONTEXT: Insider Cluster Data (20 trades, 7d window)cluster-KRRO-1773360938618
20 reports for KRRO
Performance horizon
67% Hit rate @ T+1 4 of 6 directional calls Went positive at some point 5 of 6 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

US Market Status

Market Closed — Opens Thu (10h 22m)

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers
Report published Mar 12, 2026