SecBot SecBot
EFFECT ·Filed Mar 23, 2026

KRRO

Korro Bio, Inc.
NEUTRAL
Impact 4/10
Horizonweeks Processed7mo ago SEC9999999995-26-000894
IPO/offering going effective
Actionable Insight • Neutral

Monitor for future prospectus supplements or 8-K filings that may announce actual offerings under this shelf registration, which could lead to near-term dilution. Absent such announcements, the immediate market impact is minimal.

DirectionNeutral
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d
KRRO ▼ -1.95% at T+60d
NEUTRAL call -1.95% · α vs SPY -15.01% · entry $11.27 → $11.05
Entry = T+0 close
Mar 23, 2026
via day close
T+1d
-6.12%
call -6.12% · α -5.77%
$10.58
settled 7mo ago
T+5d
-8.78%
call -8.78% · α -5.22%
$10.28
settled 7mo ago
T+20d
+19.70%
call +19.70% · α +12.28%
$13.49
settled 6mo ago
T+60d
-1.95%
call -1.95% · α -15.01%
$11.05
settled 4mo ago

Price Chart

Loading chart...

Executive Summary

Korro Bio, Inc. (KRRO) has had its Form S-3 shelf registration declared effective by the SEC, allowing the company to issue unspecified amounts of securities from time to time. This creates a potential for future dilution, though no immediate offering details are disclosed.

Key Facts

  • Form S-3 shelf registration (File No. 333-294298) became effective on March 20, 2026
  • The filing is a standard EFFECT notice with no accompanying prospectus or offering details
  • Company can now offer unspecified amounts of securities at unspecified prices and terms
  • No immediate capital raise is indicated; this is a preparatory step for future financing flexibility

Financial Impact

Not specified

dilutionequitydebt

Risk Factors

  • Potential for future equity dilution if the company conducts offerings under the shelf
  • Market perception of a 'dilution overhang' could weigh on stock price despite no immediate issuance

Market Snapshot

Exchange
Nasdaq

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
EFFECT Filing (Primary)9999999995-26-000894
Document: 9999999995-26-000894-index.html9999999995-26-000894
Document: 9999999995-26-000894.txt9999999995-26-000894
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

US Market Status

Market Closed — Opens Thu (11h 11m)

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 23, 2026