Insider Cluster (2 insiders) ·Filed Mar 13, 2026
Insider cluster: 2 insiders, $4.4M total
Actionable Insight ▼ Bearish
Monitor for upcoming earnings or pipeline updates; such concentrated C-suite selling often precedes negative news or reflects valuation concerns. Watch for follow-on selling or lack of buybacks.
Final — all horizons settled through T+60d
CNTA ▲ +50.78% at T+60d
SHORT call ✗ call lost -50.78% · α vs SPY -39.16% · entry $26.33 → $39.70
T+1d
+7.44%
call -7.44% · α -6.42%
$28.29
settled 7mo ago
T+5d
+2.77%
call -2.77% · α -4.89%
$27.06
settled 7mo ago
T+20d
+50.28%
call -50.28% · α -46.70%
$39.57
settled 6mo ago
T+60d
+50.78%
call -50.78% · α -39.16%
$39.70
settled 4mo ago
Price Chart
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Executive Summary
Centessa Pharmaceuticals C-suite executives sold over $7.2M in stock within a week, primarily from Chief People Officer Karen Anderson's open-market sales of 215,922 shares. These sales followed derivative exercises and represent a material insider divestment.
Key Financial Metrics
Direction
selling
Total Value
$7.2M
Insiders
2
Key Facts
- Chief People Officer Karen Anderson sold 215,922 shares for $5.65M in open-market transactions at ~$26.15 per share
- Anderson also exercised derivatives for 407,244 shares (some at $4.01, others at $0), with total economic value of $816,524.22
- Chief Business Officer Gregory Weinhoff sold 61,253 shares for $1.6M
- Total open-market sales by insiders: $7.25M over 7 days
- Total insider sales represent ~0.19% of $3.8B market cap — significant for a biotech
Financial Impact
$7.25M in open-market insider selling, representing 0.19% of market cap
insider sentimentshareholder dilution riskmarket confidence
Risk Factors
- Insider selling may signal lack of confidence in near-term prospects
- Biotech stocks are sensitive to sentiment; this level of selling could pressure share price
Market Snapshot
Exchange
Nasdaq
Investment Themes
Biotech & Drug Discovery
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CONTEXT: Insider Cluster Data (7 trades, 7d window) | cluster-CNTA-1773699014839 |
5 reports for CNTA
67% Hit rate best @ T+20▲ +0.33%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Jul 6, 2026 12w ago | 15-12G | — | awaiting T+20 | — | — |
Apr 17, 2026 24w ago | PREM14A | $39.51 $39.64 | ▲ +0.33% | ▼ −3.87% | — |
Apr 13, 2026 24w ago | DEFA14A | $39.59 $39.59 | · 0.00% | ▼ −6.30% | — |
Mar 13, 2026 29w ago | Insider Cluster | $26.33 $39.57 | ▼ −50.28% | ▼ −46.70% | — |
Mar 13, 2026 29w ago | Insider Cluster | $26.33 $39.57 | ▼ −50.28% | ▼ −46.70% | — |
Showing 5 of 5
US Market Status
Market Closed — Opens Mon (64h 14m)
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