Insider Cluster (2 insiders) ·Filed Jul 8, 2026
Insider cluster: 2 insiders, $776K total
Actionable Insight • Neutral
Monitor for any upcoming corporate events (earnings, pipeline updates) that could explain the timing, but this cluster alone does not signal insider concern. No trade action warranted.
Final — all horizons settled through T+60d
PTCT ▼ -26.86% at T+60d
NEUTRAL call ✗ call lost -26.86% · α vs SPY -29.17% · entry $88.57 → $64.78
T+1d
+1.11%
call +1.11% · α +0.26%
$89.55
settled 3mo ago
T+5d
-11.87%
call -11.87% · α -12.73%
$78.06
settled 3mo ago
T+20d
-21.86%
call -21.86% · α -25.13%
$69.21
settled 8w ago
T+60d
-26.86%
call -26.86% · α -29.17%
$64.78
settled 2d ago
Price Chart
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Executive Summary
Two C-suite insiders (CTOO and EVP/CLO) sold a total of ~$2.6M in shares on July 6-7, 2026, predominantly tied to option exercises. The total value represents only ~0.036% of PTCT's $7.3B market cap, making this a routine liquidity-driven cluster. No bearish signal is warranted.
Key Financial Metrics
Direction
selling
Total Value
$2.6M
Insiders
2
Key Facts
- Chief Technical Operations Officer Neil Gregory Almstead sold ~$2.19M in open-market shares (net of option exercises).
- EVP and CLO Mark Elliott Boulding sold ~$406K in open-market shares (net of option exercises).
- Total open-market sale value of ~$2.59M is only 0.036% of PTCT's market cap.
- All sales coincide with option exercises, consistent with typical tax/vesting-related liquidity planning.
Financial Impact
~$2.59M in insider sales, immaterial relative to $7.3B market cap
dilution
Risk Factors
- No material insider selling risk identified
- Routine option-exercise-related sales do not imply negative outlook
Market Snapshot
Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
81% bullish (21 analysts)
Investment Themes
Biotech & Drug Discovery
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-PTCT-1783576913200 |
15 reports for PTCT
100% Hit rate best @ T+60▲ +19.01%
Filters
Rows
| 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 13w 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 19w ago | Insider Cluster | $70.15 $73.27 | ▲ +4.45% | ▲ +2.87% | $63.46 (−9.54%) |
Showing 10 of 15
US Market Status
Market Closed — Opens Mon (65h)
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