This cluster carries no actionable signal. Monitor for any change in C-suite insider activity or an SEC filing (e.g., earnings, pipeline update) that might explain a shift in director behavior, but $124K in director sales at a $6.6B biotech is routine portfolio adjustment.
Price Chart
Executive Summary
Two directors at Scholar Rock sold a combined ~$124K in open-market transactions on July 1, 2026, representing ~0.002% of the company's $6.6B market cap. This is a trivial insider cluster — both the absolute dollar amount and proportionality to market cap are negligible. Per Alldredge (2019), cluster sales are not more informative than non-cluster sales, and directors carry weaker signal than C-suite executives.
Key Financial Metrics
Key Facts
- Total insider sales: ~$124K (0.002% of $6.6B market cap)
- Two selling insiders: Directors Kristina Burow and Michael Gilman
- All sales were open-market transactions on July 1, 2026
- No C-suite officers (CEO/CFO/CSO) participated in the cluster
- Recent 30-day insider activity: 5 prior sells totaling $301K
Financial Impact
Total sales of ~$124K, or 0.002% of market capitalization. Immaterial.
Risk Factors
- Directors sold ahead of any upcoming clinical data readout, though the dollar amount is so small it is unlikely to reflect material negative information.
- The 96% analyst buy rating creates high expectations — any pipeline setback would be amplified.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-SRRK-1783408745337 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 15, 2026 5w ago | 8-K | $50.00 $49.49 | ▼ −1.03% | ▼ −1.36% | $41.29 (−17.41%) |
Sep 14, 2026 6w ago | 8-K | $51.85 $50.00 | ▼ −3.57% | ▼ −3.11% | $41.29 (−20.36%) |
Aug 6, 2026 11w ago | 8-K | $52.64 $52.92 | ▲ +0.53% | ▼ −0.08% | $41.29 (−21.55%) |
Jul 6, 2026 15w ago | Insider Cluster | $56.56 $56.03 | ▼ −0.94% | ▼ −0.63% | $41.29 (−26.99%) |
Jun 11, 2026 19w ago | Institutional Cluster | $44.69 $44.18 | ▲ +1.14% | ▲ +1.68% | $41.29 (+7.60%) |
May 7, 2026 24w ago | 8-K | $46.45 $48.39 | ▲ +4.18% | ▲ +3.35% | $41.29 (−11.10%) |
Apr 16, 2026 27w ago | Insider Cluster | $50.00 $49.96 | ▲ +0.08% | ▲ +1.29% | $41.29 (+17.41%) |
Apr 16, 2026 27w ago | Insider Cluster | $50.00 $49.96 | ▲ +0.08% | ▲ +1.29% | $41.29 (+17.41%) |
Mar 27, 2026 30w ago | Institutional Cluster | $42.60 $43.08 | ▲ +1.13% | ▲ +1.48% | $41.29 (−3.06%) |
US Market Status
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