Monitor for potential follow-on selling or lack of insider buying ahead of next earnings. While the dollar amount is not highly material, coordinated C-suite selling may signal limited near-term upside in the stock at current levels.
Price Chart
Executive Summary
Two C-suite executives at Insmed sold shares in the past week, generating $4.06 million in total proceeds. The sales were open-market transactions following derivative exercises, with no open-market buying observed. This insider selling represents a modest but notable outflow relative to the company's $35B market cap.
Key Financial Metrics
Key Facts
- Chief Operating Officer Roger Adsett sold 6,715 shares for $1.10M on April 1, 2026.
- Chief Legal Officer Michael Smith sold 19,638 shares for $2.96M on March 30, 2026.
- Both executives also exercised stock options, including non-cash transactions totaling $1.38M in value.
- Total open-market selling in the cluster: $4.06M over 7 days.
- Selling represents approximately 0.012% of Insmed's $35B market cap.
Financial Impact
$4.06 million in open-market insider selling over 7 days
Risk Factors
- Perception of insider pessimism despite routine nature of post-exercise selling
- Potential for negative market reaction if investors interpret sales as lack of confidence
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-INSM-1775246891949 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 19, 2026 6w ago | Insider Cluster | $130.66 $119.92 | ▼ −8.22% | ▼ −6.70% | $109.99 (−15.82%) |
Aug 12, 2026 7w ago | Insider Cluster | $126.33 $129.41 | ▲ +2.44% | ▲ +4.19% | $109.99 (−12.93%) |
Aug 6, 2026 8w ago | 8-K | $132.55 $126.68 | ▼ −4.43% | ▼ −5.03% | $109.99 (−17.02%) |
Jul 24, 2026 10w ago | Institutional Cluster | $106.92 $125.77 | ▲ +17.63% | ▲ +14.00% | $109.99 (+2.87%) |
Jul 21, 2026 10w ago | ANALYST-UPGRADE | $108.62 $128.46 | ▲ +18.27% | ▲ +15.70% | $109.99 (+1.26%) |
Jul 16, 2026 11w ago | 8-K | $107.46 $126.33 | ▲ +17.56% | ▲ +13.94% | $109.99 (+2.35%) |
Jun 26, 2026 13w ago | Insider Cluster | $104.74 $106.92 | ▲ +2.08% | ▲ +2.36% | $109.99 (+5.01%) |
Jun 5, 2026 16w ago | Insider Cluster | $94.17 $111.54 | ▲ +18.45% | ▲ +16.81% | $109.99 (+16.80%) |
Jun 5, 2026 16w ago | Insider Cluster | $94.17 $111.54 | ▲ +18.45% | ▲ +16.81% | $109.99 (+16.80%) |
May 15, 2026 19w ago | S-3ASR | $107.15 $95.52 | ▼ −10.85% | ▼ −12.44% | $109.99 (+2.65%) |
US Market Status
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