Insider Cluster (5 insiders) ·Filed Feb 24, 2026
Insider cluster: 4 insiders, $0.0M total
Actionable Insight • Neutral
Monitor for any follow-up filings or news that might explain the timing, but this cluster is small in dollar terms and involves routine executive sales — not an immediate red flag.
Final — all horizons settled through T+60d
CRBU ▲ +2.05% at T+60d
NEUTRAL call +2.05% · α vs SPY -5.10% · entry $1.95 → $1.99
T+1d
+2.05%
call +2.05% · α +2.61%
$1.99
settled 8mo ago
T+5d
-7.69%
call -7.69% · α -6.54%
$1.80
settled 8mo ago
T+20d
-3.59%
call -3.59% · α +1.65%
$1.88
settled 7mo ago
T+60d
+2.05%
call +2.05% · α -5.10%
$1.99
settled 5mo ago
Price Chart
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Executive Summary
Five C-suite executives at Caribou Biosciences sold shares in a coordinated 7-day window, generating $47,474 in total proceeds from open-market transactions. All sales were conducted at prices between $1.93 and $1.96 per share, indicating routine divestitures rather than event-driven selling.
Key Financial Metrics
Direction
selling
Total Value
$47.5K
Insiders
5
Key Facts
- Five C-suite insiders sold a total of 24,317 shares for $47,474 in proceeds over 7 days.
- All transactions were open-market sales (Form 4 'S' codes) with no non-cash or derivative-related activity.
- Sellers include the Chief Technology Officer, Chief Medical Officer, Chief Business Officer, and Chief Legal Officer.
- Total value represents only 0.025% of the company's $186M market cap — well below materiality thresholds.
- Average sale price was ~$1.95/share, consistent with recent trading levels.
Financial Impact
$47,474 in total insider selling over 7 days
insider ownershipmarket sentiment
Risk Factors
- Perception risk if additional selling follows in coming weeks.
- Concentration of C-suite participation could raise questions about confidence, though dollar amounts are minimal.
Market Snapshot
Exchange
Nasdaq
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (5 trades, 7d window) | cluster-CRBU-1772226119789 |
12 reports for CRBU
33% Hit rate @ T+5 Went positive at some point 3 of 3 best @ T+5▲ +25.48%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 6, 2026 20d ago | 8-K | $0.6174 $0.4601 | ▲ +25.48% | ▲ +24.50% | $0.4701 (+23.86%) |
Sep 22, 2026 4w ago | Institutional Cluster | $1.34 $1.24 | ▼ −7.46% | ▼ −6.28% | $0.4701 (−64.92%) |
Jun 11, 2026 19w ago | 8-K | $1.66 $1.64 | ▼ −1.20% | ▼ −1.64% | $0.4701 (−71.68%) |
Jun 11, 2026 19w ago | Press Release | $1.66 $1.64 | ▼ −1.20% | ▼ −1.64% | $0.4701 (−71.68%) |
Jun 5, 2026 20w ago | DEFA14A | $1.84 $1.66 | ▼ −9.78% | ▼ −11.89% | $0.4701 (−74.45%) |
Apr 24, 2026 26w ago | DEFA14A | $2.13 $1.91 | ▼ −10.33% | ▼ −10.73% | $0.4701 (−77.93%) |
Mar 5, 2026 33w ago | 8-K | $1.82 $1.88 | ▲ +3.30% | ▲ +4.83% | $0.4701 (−74.17%) |
Mar 5, 2026 33w ago | Press Release | $1.82 $1.88 | ▲ +3.30% | ▲ +4.83% | $0.4701 (−74.17%) |
Feb 28, 2026 34w ago | Institutional Cluster | $1.84 $1.97 | ▲ +7.07% | ▲ +8.27% | $0.4701 (−74.45%) |
Feb 24, 2026 34w ago | Insider Cluster | $1.95 $1.80 | ▼ −7.69% | ▼ −6.54% | $0.4701 (−75.89%) |
Showing 10 of 12
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