// company-profile
Cytokinetics Inc
CYTK// activity-summary
Recent insider activity is bullish. Over the last 30 days, 22 insiders purchased shares versus 6 sales. Buying was led by Callos Andrew.
// 90-day insight
Over the last 90 days, Cytokinetics Inc insiders bought $1.7M (35 transactions) and sold $10.7M (15 transactions).
- Most active insider: Callos Andrew with 11 transactions totaling $5.4M.
- Largest single sale: $1.8M by Lee Sung on May 5, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Cytokinetics Inc as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Blum Robert I | CYTK | Sale | 7,500 | $70.46 | $528K |
| Jun 9, 2026 | Malik Fady Ibraham | CYTK | Option Exercise | 3,500 | $0.00 | $0K |
| Jun 9, 2026 | Malik Fady Ibraham | CYTK | Option Exercise | 3,500 | $7.80 | $27K |
| Jun 9, 2026 | Malik Fady Ibraham | CYTK | Sale | 3,500 | $67.98 | $238K |
| Jun 1, 2026 | Callos Andrew | CYTK | Option Exercise | 15,000 | $0.00 | $0K |
45 more transactions hidden
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