The CEO's open-market sale without a 10b5-1 plan indication is the most concerning signal. Monitor for any material news (e.g., clinical trial update, regulatory update, or earnings pre-announcement) that could explain the cluster. The EVP's sale coinciding with derivative exercises suggests a tax/vesting motive, but the CEO's standalone sale is harder to dismiss.
Price Chart
Executive Summary
Two CYTK insiders, including the CEO and EVP of R&D, sold a combined $730K in open-market sales over a one-week window. The CEO's $491K sale on 9/28 and the EVP's $239K sale on 9/22 represent approximately 0.22% of the company's $326M market cap, a modest but notable cluster. No insider buying occurred, and the sales lack a clear 10b5-1 plan indication, suggesting potential bearish sentiment from senior leadership.
Key Financial Metrics
Key Facts
- CEO Robert I Blum sold 7,500 shares at $65.46 for $491K on 2026-09-28
- EVP R&D Fady Ibraham sold 3,500 shares at $68.29 for $239K on 2026-09-22
- Total insider sales of $730K represent ~0.22% of CYTK's $326M market cap
- No insider purchases in the cluster window
- EVP's sale was paired with derivative exercises (3,500 shares at $0 and $7.80), indicating stock was acquired and immediately sold
Financial Impact
Total open-market sales of $730K by CEO and EVP R&D, representing ~0.22% of market cap
Risk Factors
- CEO sale may signal lack of near-term upside conviction ahead of upcoming catalysts
- Cluster selling by two senior officers could signal internal sentiment drift
- No insider buying to offset the selling pressure
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-CYTK-1790648087247 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 5d ago | Press Release | $62.33 | awaiting T+20 | — | $60.73 (−2.57%) |
Sep 28, 2026 29d ago | Insider Cluster | $65.64 | awaiting T+20 | — | $60.73 (+7.48%) |
Sep 22, 2026 4w ago | Insider Cluster | $65.81 $62.86 | ▲ +4.48% | ▲ +5.17% | $60.73 (+7.72%) |
Sep 15, 2026 5w ago | Insider Cluster | $69.39 $63.43 | ▲ +8.59% | ▲ +10.65% | $60.73 (+12.48%) |
Sep 11, 2026 6w ago | Insider Cluster | $72.45 $62.79 | ▼ −13.33% | ▼ −15.60% | $60.73 (−16.18%) |
Sep 8, 2026 6w ago | Insider Cluster | $74.11 $61.12 | ▼ −17.53% | ▼ −19.47% | $60.73 (−18.05%) |
Sep 1, 2026 7w ago | Insider Cluster | $71.93 $65.62 | ▼ −8.77% | ▼ −8.62% | $60.73 (−15.57%) |
Aug 31, 2026 8w ago | Insider Cluster | $71.40 $65.91 | ▼ −7.69% | ▼ −7.80% | $60.73 (−14.94%) |
Aug 29, 2026 8w ago | Press Release | $70.91 $65.64 | ▼ −7.43% | ▼ −7.06% | $60.73 (−14.36%) |
Aug 28, 2026 8w ago | 8-K | $72.09 $66.16 | ▼ −8.23% | ▼ −8.49% | $60.73 (−15.76%) |
US Market Status
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