The cluster of sales by C-suite executives, particularly the large $2.71M sale by the Chief Technical Operations Officer, suggests potential lack of confidence in near-term valuation or upcoming catalysts. While the total dollar amount is modest relative to market cap, the concentration and seniority of sellers elevate concern. Monitor for upcoming earnings, regulatory decisions, or pipeline updates that may have prompted this activity.
Price Chart
Executive Summary
Three senior executives at PTC Therapeutics sold shares in a concentrated 7-day window, including a $2.71M open-market sale by the Chief Technical Operations Officer. The total value of open-market sales reached $2.83M, representing 0.05% of the company's $5.8B market cap, with additional non-cash derivative exercises.
Key Financial Metrics
Key Facts
- Almstead Neil Gregory (Chief Technical Operations Officer) sold 39,400 shares at $68.89 for $2.71M in an open-market transaction.
- Boulding Mark Elliott (Exec VP and CLO) sold 822 shares at $68.91 for $56,644 and separately exercised 4,530 derivative securities (2,265 at $0, 2,265 at $39.42), resulting in $89,286 cash outlay.
- Golden Lee Scott (EVP & Chief Medical Officer) sold 829 shares at $67.99 for $56,364.
- Total open-market sale value: $2.83M over 7 days.
- All transactions occurred between 2026-04-01 and 2026-04-06.
Financial Impact
$2.83M in net open-market sales by insiders over 7 days, representing 0.05% of $5.8B market cap
Risk Factors
- Insider selling can signal negative sentiment, especially when concentrated among top executives.
- Potential for negative market perception despite relatively small dollar size relative to market cap.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-PTCT-1775683243096 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 21, 2026 6w ago | Insider Cluster | $69.82 $65.26 | ▼ −6.53% | ▼ −6.00% | $63.46 (−9.11%) |
Jul 16, 2026 11w ago | Press Release | $78.52 $71.97 | ▲ +8.34% | ▲ +11.96% | $63.46 (+19.18%) |
Jul 16, 2026 11w ago | Insider Cluster | $78.52 $71.97 | ▼ −8.34% | ▼ −11.96% | $63.46 (−19.18%) |
Jul 13, 2026 11w ago | Insider Cluster | $81.33 $74.63 | ▼ −8.24% | ▼ −11.42% | $63.46 (−21.97%) |
Jul 8, 2026 12w ago | Insider Cluster | $88.57 $69.21 | ▼ −21.86% | ▼ −25.13% | $63.46 (−28.35%) |
Jun 26, 2026 14w ago | Insider Cluster | $81.57 $76.82 | ▼ −5.82% | ▼ −5.54% | $63.46 (−22.20%) |
Jun 16, 2026 15w ago | 8-K | $73.27 $78.06 | ▲ +6.54% | ▲ +6.34% | $63.46 (−13.39%) |
Jun 9, 2026 16w ago | 8-K | $73.35 $89.55 | ▲ +22.09% | ▲ +18.46% | $63.46 (−13.48%) |
May 19, 2026 19w ago | Insider Cluster | $71.02 $78.98 | ▲ +11.21% | ▲ +10.47% | $63.46 (−10.64%) |
May 15, 2026 20w ago | Insider Cluster | $70.15 $73.27 | ▲ +4.45% | ▲ +2.87% | $63.46 (−9.54%) |
US Market Status
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