KRRO Korro Bio, Inc.
NEUTRAL
Impact: 4/10
EFFECT
IPO/offering going effective
Latest settled — T+20d
KRRO ▲ +19.70% at T+20d
NEUTRAL call ✓ call won +19.70% · α vs SPY +12.28% · entry $11.27 → $13.49
Last close $10.59 (close Jun 8) · -6.03% from $11.27 entry
T+1d
-6.12%
call -6.12% · α -5.77%
$10.58
settled 3mo ago
T+5d
-8.78%
call -8.78% · α -5.22%
$10.28
settled 2mo ago
T+20d
+19.70%
call +19.70% · α +12.28%
$13.49
settled 7w ago
T+60d
—
call — · α —
—
in 7d
Price Chart
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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.
Actionable Insight
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.
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
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| EFFECT Filing (Primary) | 9999999995-26-000894 |
| Document: 9999999995-26-000894-index.html | 9999999995-26-000894 |
| Document: 9999999995-26-000894.txt | 9999999995-26-000894 |
7 reports for KRRO
100%
Hit rate
best @ T+5▲ +50.38%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 2, 2026
7d ago
|
Insider Cluster
| $11.00 $11.08 | ▲ +0.73% | ▲ +1.45% | $10.59 (−3.73%) |
|
May 19, 2026
21d ago
|
8-K
| $9.15 $10.01 | ▲ +9.40% | ▲ +8.36% | $10.59 (+15.74%) |
|
Apr 16, 2026
7w ago
|
DEFA14A
| $13.47 $14.39 | ▲ +6.83% | ▲ +5.62% | $10.59 (−21.38%) |
|
Mar 23, 2026
11w ago
|
EFFECT
| $11.27 $10.58 | ▼ −6.12% | ▼ −5.77% | $10.59 (−6.03%) |
|
Mar 13, 2026
12w ago
|
S-3
| $12.60 $12.31 | ▲ +2.30% | ▲ +2.57% | $10.59 (+15.95%) |
|
Mar 10, 2026
13w ago
|
Insider Cluster
| $11.48 $11.76 | ▲ +2.44% | ▲ +2.54% | $10.59 (−7.75%) |
|
Mar 9, 2026
13w ago
|
Press Release
| $12.30 $11.48 | ▼ −6.67% | ▼ −6.48% | $10.59 (−13.90%) |
Showing 7 of 7
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